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Worksheets11/14/24
Total questions: 123
Worksheet time: 8hrs 24mins
Mrs. Garcia decides to organize her students’ algebra test scores into
a box plot to analyze the results, as shown below.
What is the median score of the class?
76
80
82
84
Jerry recorded the outdoor temperature at noon on the first day of each month for one year.
He made the box-and-whisker plot below to display his data.
What is the range of temperatures?
40
55
70
95
What is the average shoe size? FIND THE MEAN
(round to the tenths decimal place)
8.5
7
5.5
7.4
Students at Center Jr. High were surveyed and asked about their favorite school after work snack. The bar graph shows the results of the survey.
Based on the graph, which statement is true?
Twice as many students chose ice cream as chose fruit for their favorite snack.
Twice as many students chose chips/ dips as chose ice cream for their favorite snack.
The same number of students chose chips/ dips as chose cheese & crackers as their favorite snack.
Fifteen more students chose ice cream as chose cheese & crackers as their favorite snack.
What does point C on the box plot represent?
First Quartile
Median
Third Quartile
Mean
What building has the most stories?
School
Library
Book
Apartment
How many cars are in the parking lot?
What pets do students in our class have?
On average, how many siblings do students in our class have?
How many ceiling tiles are in our classroom?
A data set is shown below.
8, 8, 8, 8, 9, 9, 9, 10, 10
Which of the following questions could result in this data set? Select ALL that apply.
What are the positive numbers less than 20?
What are the ages of children that went to the birthday party?
Which number, from 1-10, is Mrs. Johns's favorite?
How many birthdays does each teacher in the building have each year?
How many people go walk into a grocery store between 8:00 and 9:00 in the morning?
Which of the following statements is false about this graph?
More than 1/8 of the people like Pepperoni
The combined toppings that include pork products make up more than half of the pie chart.
The three least desired toppings make up more than a third of the pie chart.
Bacon and tomato toppings account for 100˚ of the pie chart
The table shows some of the silliest words in the English Dictionary.
What is the MEDIAN for the data in the table's second column?
9
6
7
11
The following box plot represents the test scores that Mrs. Smith's students got on a math test.
Which of the following statements, based on the box plot, are true? Select the TWO that apply.
The highest score on the test was 100
The lowest score on the test was 68
More students got an 85 on the test
The interquartile range of the data is 93 on the test
The median score on the test is 85
Kevin counted the number of pencils that he lost every month. The data he collected is shown below.
2, 2, 3, 3, 3, 3, 4, 5, 9, 11, 11, 13, 15, 16
Which of the following box and whisker plots represents the data that Kevin collected?
The dot plot below shows the points scored by players in a basketball game.
What is the MOST representative measure of center for this data?
interquartile range
median
range
mean
2, 57, 38, 42, 6
Find the Mean Absolute Deviation for the following set: 85, 90, 68, 75, 79
79.4
6.48
32.4
79
What is the outlier for this line plot?
0
1
4
10
9, 8, 12, 6, 10
What is the mean number of pages she wrote per day?
calculate the median for the following set of scores
45, 69, 69, 87, 88, 92, 99, 100
Based on the shape of the data distribution, which statement is true about the measure of the center?
The mean and median are equivalent
The mean is greater than the median
The mean is less than the median
None of these
Which car club has the greatest variation/spread?
There are 550 students in the school. Predict how many students at the school prefer track and field.
110
220
138
83
The high temperatures for a 7-day week during December in Chicago were 29°, 31°, 28°, 32°, 29°, 27°, and 55°.
Find the mean and median for this set of data.
Mean: 35, Mode: 27
Mean: 42, Mode: 55
Mean: 33, Mode: 29
Mean: 29, Mode: 32
One of the events in the Winter Olympics is the Men’s 500-meter Speed Skating. The times for this event are show to the right. Find the mode for this set of data.
39.44
40.6
40.2
43.4
Based upon this box-and-whisker plot, which statement is false?
The first quartile is 4.
The range is 12.
The third quartile is 11.
The median is 7.
What is the MAXIMUM number of eggs laid?
2
3
8
10
What is the MINIMUM number of eggs laid?
2
3
8
10
Based on the box and whisker plot, what is the median test score?
70
80
85
93
The entire group of objects or individuals considered for a survey
a population
a sample
a quartile
a range
A school surveys all 7th grade GIRLS to determine what to serve for snacks in the cafeteria. This sample is...
too small
representative
biased
unbiased
A sneaker company wants to see if people in the state of New York like their new design. Which best represents a SAMPLE?
every person in the state of New York
180 employees from the sneaker company
a selection of employees from the design team
a selection of shoppers from various cities in New York
How do you calculate the median when there are 2 middle numbers?
you don't
subtract them and multiply by 2
add them and divide by 2
pick a random number
How do you calculate MEAN for a set of data?
add the items and divide by the number of items
find the middle number
find the number that appears most often
find the difference between the largest and smallest numbers
How do you calculate the RANGE for a set of data?
add the items and divide by the number of items
find the middle number
find the number that appears the most often
find the difference between the largest and smallest number
How do you identify the MODE for a set of data?
add the items and divide by the number of items
arrange the data from least to greatest and find the middle number
find the number that appears the most often
find the difference between the largest and smallest nubmers
Mrs. Delgado asks the first ten students at Clinton Elementary about what they think the new school's mascot should be. Identify the population and sample.
Population: First ten students
Sample: All students at Clinton Elementary
Population: All students at Clinton Elementary
Sample: First ten students
Answer the question pictured.
A. 4 students in the hallway.
B. All students in the marching band.
C. 50 seniors at random.
D. 100 students at random during lunch.
Answer the question pictured.
A. a selection of logo artists.
B. Every person in the USA.
C. A selection of shoppers from different states.
D. 3,800 children age 5-15.
Which is the population?
Residents of Florida.
Residents of Palm Beach County.
Which is the sample?
Residents of Florida.
Residents of Palm Beach County.
Which is the sample?
150 quarters.
All quarters in circulation.
Which is the population?
150 quarters.
All quarters in circulation.
Which is the population?
5 ants.
Colony of ants.
Which is the sample?
5 ants.
Colony of ants.
Which is the sample?
All books in the library.
10 library books.
Which is the population?
All books in the library.
10 library books.
Answer the question pictured.
A. Every person who bought the album.
B. A selection of people who didn't want to buy the album.
C. 250 girls who bought the album.
D. A selection of 3,294 people who bought the album.
Answer the question pictured.
A. A selection of voters over age 50.
B. A selection of male voters.
C. A selection of voters of different ages.
D. All voters.
Answer the question pictured.
A.
B.
C.
D.
Answer the question pictured.
A.
B.
C.
D.
Answer the question pictured.
A.
B.
C.
D.
Explain why 200 people with email addresses may not be a random sample.
7 Students in the hallway
All students in the band
50 8th graders at random
100 students during the lunch periods.
The sample is biased because it contains only people at the state park.
The sample is biased because it contains only people who are environmentally conscious.
The sample is biased because it contains only people who are outdoor minded.
The sample is unbiased.
The sample is unbiased
The sample is biased because she is surveying only people at the mall.
The sample is biased because she doesn't know if the people even watch television.
The sample is biased because she is interested in only their favorite show.
The sample is unbiased.
The sample is biased because he asks only people who own cars.
The sample is biased because he asking people as they enter the dealership.
The sample is biased because he is asking people at only one car dealership.
the students on her bus
her homeroom class
students waiting in the carpool area
members of the cycling club
The sample is biased because only smart students were surveyed.
The sample is biased because only students at the library were surveyed.
The sample is biased because only book loving students were surveyed.
The sample is unbiased.
Survey the 15 girls in his class
Survey 60 sixth-grade students
Survey his 3 best friends
Survey the 13 boys in his math class
selecting 10 students from each homeroom
selecting members of the girls' softball team.
selecting members of the boy's basketball team
selecting student who like her favorite flavor of ice cream.
A sample is...
The group of people you survey to collect data
The entire group of people you want to learn about
Free food
A biased sample...
Is valid
Favors one or more parts of the population over others
Accurately represents the entire population
Is the survey biased or unbiased?
To represent all students attending a school, the principal surveys the students in one math class.
Biased
Unbiased
Is the survey biased or unbiased?
Each student's name is written on a piece of paper. The names are placed in a bowl, and names are picked without looking.
Biased
Unbiased
Is the survey biased or unbiased?
Every 20th person is chosen from an alphabetical list of all students attending a school.
Biased
Unbiased
Is the survey biased or unbiased?
Customers at a music store are surveyed about what they like to do in their free time.
Biased
Unbiased
Which graph appears to show a steeper increase in price?
Graph A
Graph B
Which graph should be used if...
You want to show that ticket sales have risen, but it's not that big of a deal.
Graph A
Graph B
Which graph should be used if...
You want to tell people that ticket sales keep going up, and it's ridiculous!
Graph A
Graph B
Which graph should be used if...
You want people to think that your business is extremely profitable.
Graph A
Graph B
Mean
Median
Mode
Range
8, 14, 32, 6, 15
15
175
75
12
Mean
Median
Mode
Range
4,2,7,4,3
2
5
7
4
True
False
What is the mode of the data below?
12 , 14 , 5 , 12 , 5 , 12 , 11
5
12
5 and 12
11.8
The mode score on the 7th grade math test was 94! Which of these interpretations must be correct?
99 was the highest score on the test.
More students received a 94 than any other score
No student scored below a 50
A score of 91 was slightly below average.
A school principal wants to know how teachers are liking the new rules she put in place. She surveys all the math and science teachers. Is this a biased sample or unbiased sample?
Biased Sample
Unbiased Sample
A high school is going to have a party for their graduating seniors. They want to serve food that most of the seniors like. They pick 25 random names from a hat and survey those students. Is this a biased sample or unbiased sample?
Biased Sample
Unbiased Sample
Casey surveyed the members of his soccer team to ask them what their favorite sport is. Is this a biased sample or unbiased sample?
Biased Sample
Unbiased Sample
A school district wants to know if parents would prefer to get phone calls or emails from the schools. They survey the parents of all the seventh grade students enrolled in the district. Is this a biased sample or unbiased sample?
Biased Sample
Unbiased Sample
Shelley wants to survey grocery shoppers about their favorite brands. She goes to the store at 8am and surveys the first 50 people. Is this a biased sample or unbiased sample?
Biased Sample
Unbiased Sample
Green Valley Middle School conducted a survey of 125 random students asking them how much time they spend each night on homework. Is this a biased sample or unbiased sample?
Biased Sample
Unbiased Sample
An airline wants to know if people prefer to check their luggage or carry it on. They ask every 10th person that walks into the airport. Is this a biased sample or unbiased sample?
Biased Sample
Unbiased sample?
Debbie surveyed all the students who ride the bus to school to find how long they take to get ready in the morning. Is this a biased sample or unbiased sample?
Biased Sample
Unbiased Sample
A middle school surveyed random students to find out which elective the students want to take next year. The results are shown here. How many total students were surveyed?
20
40
14
6
Based on the results of this survey, which elective was least popular and should be canceled?
Spanish
Theater
Art
The manager of the zoo would like to survey its visitors to determine their favorite exhibit. Which sample below would be unbiased?
20 random people in the food court
Every 10th person who enters the zoo
50 random people at the tiger exhibit
3 people who are buying souvenirs
To determine their favorite country artist, a radio station randomly surveyed 100 people at a Luke Bryan concert. Determine whether this sample is biased or unbiased.
Biased
Unbiased
The cafeteria manager at a local middle school would like to survey students to get their opinion on the new lunch menu. Which of the following sampling methods would be unbiased?
Select one class at random, then survey each student in that class.
Obtain an alphabetical list of all students that attend the school, then survey every 10th
student.
Have each eighth grader complete a survey during homeroom.
Randomly survey 10 students in the cafeteria.
A high school is conducting a survey to see how many students have part-time jobs. Which sample below would be unbiased?
every 10th
student that
enters a school football
game
100 random students in the
school parking lot
five random students in
each homeroom
50 students from the band and chorus
To determine how much money college students spend on clothes each semester,a researcher surveys 450 college students as they leave the university library. Is this sample biased or unbiased?
Biased because not everyone goes to the library
Unbiased because 450 people is enough people to provide accurate data
Biased because 450 is not enough people to provide accurate data
Unbiased because everyone goes to the library
To determine the quality of service customers receive, an airline sends an e-mail survey to each customer after the completion of a flight. Will this sample be biased or unbiased?
Unbiased because each customer receives an email.
Unbiased because the survey will get many responses.
Biased because the survey will not get enough responses.
Biased because not every person reads their email.
You want to estimate the number of students in a high school who ride the school bus. Which sample is best?
4 students in the hallway
All students in the marching band
50 seniors at random
100 students at random during lunch
Are the residents of Florida the sample or the population?
sample
population
Are all quarters in circulation the sample or the population?
Sample
Population
Which one is the population?
5 ants
Colony of ants
Which one is the sample?
All books in library
10 library books
Which one is the sample?
Passengers on a train
Passengers in the first train car
Which one is the population?
DVDs in a video store
DVDs in the comedy section
Choose the best sample.
Sample A
Sample B
Choose the best sample.
Sample A
Sample B
Which of the following is NOT needed in order to be considered an unbiased sample?
Selected at random
Representative of the entire population (everyone has a chance of being chosen)
Representative of at least half of the population
Large enough to provide accurate data
If there are 1,000 students in your high school and 40 out of 80 students surveyed said they had a part-time job, how many out the 1,000 students would you predict to have a part-time job?
400
80
40
500
You are doing a survey to find out if Knoxville, TN should be the home of a new NBA team and they asked UT college boys basketball players. Biased or unbiased?
Unbiased
Biased
You are doing a survey to find out what kids really think about school lunch and you stand outside a lunchroom and ask every 5th person from every grade. Biased or unbiased?
Biased
Unbiased
You are doing a survey to find out what sport high schoolers like the most, and you ask people from a Rugby team. Biased or unbiased?
Biased
Unbiased
