WorksheetsStatistics and Analyzing Data
Total questions: 20
Worksheet time: 19mins
Name
Class
Date
1.
Carlos wants to know the favorite sport of people at his school so he asks his baseball team.
a)
Biased
b)
Unbiased
2.
The lifeguard of a water park wants to determine which water rides are enjoyed the most so he asks every tenth person who leaves the park to list his or her three favorite rides.
a)
Biased
b)
Unbiased
3.
What was the highest score on the math test?
a)
53
b)
79
c)
97
d)
90
4.
What is the median of the number set? 58, 21, 74, 63, 21
a)
21
b)
47
c)
58
d)
74
5.
A store sells loaves of bread. The table below shows the number of loaves of bread sold each day for a week. What is the difference between the mean and median number of loaves of bread sold?
a)
8
b)
12
c)
19
d)
25
6.
5. The first 100 people at the park Thursday were asked if dogs should be off leashes in the park.
a)
Biased
b)
Unbiased
7.
A teacher decides to survey the students in her classes to find out their opinion on the new menu in the cafeteria. Is this biased or unbiased?
a)
Biased
b)
Unbiased
8.
What is your favorite sport? Ask: people attending a soccer game
a)
Biased
b)
Unbiased
9.
A hospital wants to open a gym. They ask the night-shift ER staff when they would use the gym.
a)
Biased
b)
Unbiased
10.
What is the mode of the data?
a)
1 book
b)
9 books
c)
3 books
d)
0 books
11.
The neighborhood elementary school is having a fund raiser. The following table shows the number of packages of gift wrap sold each day. What is the mean number of packages of gift wrap that are sold?
a)
57
b)
72
c)
75
d)
94
12.
For one week, Jeremy counted the number of sea shells he found each day on the beach. His numerical data set was: 20, 37, 4, 2, 35, 33, 2 What is the range for Jeremy’s data set?
a)
20
b)
33
c)
35
d)
2
13.
Your school newspaper is conducting a survey to find out which school sports team is most popular. How would it most likely get a random sample from the student population?
a)
By asking every fifth person entering the basketball game
b)
By asking 10 students from every homeroom
c)
By asking the parents
d)
By asking the students on the pep club
14.
Kiki wants to know which brand of athletic shoe is most popular with the students at her school. Which survey plan results in a random sample?
a)
Survey only her friends
b)
Survey the students in her science class
c)
Survey the students as they enter the school
d)
Survey the students at the local shoe store
15.
During the week, Kiana kept a log of how many hours she spent after school on homework. Based on the information in the table above, which would best describe her homework habits?
a)
Kiana studied an average of 2.3 hours a week.
b)
The range is so spread out; it appears Kiana has inconsistent study habits.
c)
Kiana spends, on average, at least 20% of each day doing homework.
d)
The data indicates that Kiana studies more towards the end of the week.
16.
Eat-A-Lot Cereal Company has a machine that records and graphs the weight (in grams) of packages as they leave the assembly line. Below is a dot plot of some weights of packages. Which set of data correctly matches this dot plot?
a)
16.03, 16.01, 15.99, 16.07, 16.02, 16.02, 16.08, 16.00, 15.95, 16.02, 15.99
b)
16.04, 16.01, 15.98, 16.07, 16.03, 16.02, 16.09, 16.00, 15.96, 16.02, 16.00
c)
16.02, 16.01, 15.98, 16.07, 16.01, 16.02, 16.07, 16.00, 15.94, 16.02, 15.98
d)
16.03, 16.00, 15.99, 16.06, 16.02, 16.01, 16.08, 15.99, 15.95, 16.01, 15.99
17.
In the last 5 games, Kevin Durant scored 22, 22, 18, 12, and 21 points. What is Durant's Mean (Average) score per game?
a)
19 points per game
b)
95 points per game
c)
18.6 points per game
d)
22 points per game
18.
The bar graph below shows the number of points scored by 4 students in a game. What was the mean (average) number of points each student scored?
a)
5
b)
6
c)
7 1/4
d)
7 1/2
19.
Identify the Sample:
A restaurant wants to know if customers buy dessert when they eat out. As people leave the restaurant one evening, 20 people are surveyed at random. Eight people say they usually order dessert when they eat out. The restaurant concluded that most customers do not order dessert.
A restaurant wants to know if customers buy dessert when they eat out. As people leave the restaurant one evening, 20 people are surveyed at random. Eight people say they usually order dessert when they eat out. The restaurant concluded that most customers do not order dessert.
a)
20 customers
b)
All customers
c)
8 customers
d)
Dessert
20.
Identify the Population:
Members of the Drama Club plan to sell popcorn as a fundraiser for their Shakespeare production. They survey 75 students at random about their favorite flavors of popcorn. 33 students like butter, 15 like cheese, and 27 like caramel.
Members of the Drama Club plan to sell popcorn as a fundraiser for their Shakespeare production. They survey 75 students at random about their favorite flavors of popcorn. 33 students like butter, 15 like cheese, and 27 like caramel.
a)
33 Students
b)
75 Students
c)
All Students
d)
27 Students
100 %
