WorksheetsProbability and Statistics Semester Exam B
Total questions: 70
Worksheet time: 1hrs 28mins
25%
Surveys help us to determine
Facts
Opinions
Answers
Figures
The entire group of people that represent the kind of people the researcher would like to study.
Population
Survey Sample
Survey Item
Survey Outcome
The smaller group of the population that is selected to take the survey
Population
Sample
Instrument
Outcome
The compiled results of the completed survey, usually in the form of a chart or graph.
Outcome
Response Rate
Instrument
Scale
Survey Instruments can be in the form of
Paper Questionnaire
In Person Interview
Online (survey monkey, google form)
All of the above
What is a survey?
A series of questions related to a subject topic area
A quiz of questions to answer with correct and incorrect answers
A set of questions that cannot be reviewed after they have all been completed
The entire group studied is called the
sample
population
When a sample does not accurately represent the population it is a:
A. Unbiased sample
B. Biased sample
This list shows the ages of 13 children at a playground.
5, 4, 7, 6, 5, 3, 2, 5, 7, 8, 4, 6, 6
Which line plot shows the number of students at each age?
Which data set goes with this stem-and-leaf plot?
41,52,57,58,65,66,70,75,78,78,78,80,80,95
41,52,56,58,66,70,75,78,78,78,80,80,95,56
41,52,57,58,65,66,70,75,78,78,78,78,80,80
52,52,57,58,65,66,70,75,78,78,78,80,80,95
The Mean, Median, Mode, and Range are also known as?
Central Tendency Measures
Middle values
Center values
Tendency of the middle
What is the mode?
The middle number in an ordered set of data.
The difference between the greatest and least amount in the data set
The value that occurs the most often in a data set
The sum of all the numbers in a data set divided by the size
What do you do if there are two numbers in "the middle" when you are finding the median?
Pick your favorite number
They are both the median
Find the mean of the two numbers
None of the above
There can be more than one mean
True
False
There can be more than one mode
True
False
What is the first step when looking at a data set?
Find the mean
Sort the data into categories
Find the range
Put the data in ascending order
The mean of the data set can be found by...
finding the sum of the numbers and then dividing by the total amount of numbers in the data set
subtracting the minimum from the maximum
choosing the middle number
choosing the number that occurs most
What is the mode of the following data set...
4 , 8 , 5 , 17 , 5 , 4 , 9 , 5 , 6 , 82
4
9
6
5
Find the mean of these numbers:
5, 11, 2, 12, 4, 2
2
6
4.5
5
The median of the numbers 34, 32, 12, 65, and 45 is...
12
32
34
65
The range of the numbers 34, 32, 12, 65, and 45 is...
11
32
53
38
What measure represents the value that repeats the most
Mode
Median
Mean
What color was chosen the most?
Green
Blue
Black
White
A frequency table uses tally marks to display data in an organized way.
True
False
Which is the most popular subject in the survey?
Reading
Math
Science
Social Studies
A table which uses tally marks to show data is called ....
bar graph
frequency table
pictograph
tally chart
Given the picture shown, what is the probability of choosing a blue gumball?
certain
likely
unlikely
impossible
Given the picture shown, what is the probability of choosing a blue gumball?
certain
likely
unlikely
impossible
Given the picture shown, what is the probability of choosing a blue gumball?
certain
likely
unlikely
impossible
Given the spinner shown, which number is the spinner least likely to land on?
1
3
5
What is the probability of getting a red balls when you take one ball randomly from the bag?
impossible
Equally likely
likely
unlikely
If the probability of an event happening is 0%, we say the event is "impossible."
If the probability of an event happening is 100%, we say the event is "certain."
The blue arrow shows an event with a probability of 0%. Is this event impossible or certain?
Impossible
Certain
If the probability of an event happening is 0%, we say the event is "impossible."
If the probability of an event happening is 100%, we say the event is "certain."
The blue arrow shows an event with a probability of 100%. Is this event impossible or certain?
Impossible
Certain
Impossible: 0% probability
Certain: 100% probability
The probability of an event happening is 100%. Is this event impossible or certain?
Impossible
Certain
Impossible: 0% probability
Certain: 100% probability
The probability of an event happening is 0%. Is this event impossible or certain?
Impossible
Certain
If Mariana spins this spinner, she will MOST likely land on _______.
red
yellow
blue
orange
If an event is absolutely impossible, what percent probability will it have?
0%
25%
75%
100%
If an event is absolutely certain, what percent probability will it have?
0%
25%
75%
100%
If an event is Equally Likely, what percent probability will it have?
0%
50%
75%
100%
Find the mode of these numbers:
2, 3, 4, 5, 5, 5, 7,
6
5
4
3
Find the range of these numbers:
2, 3, 4, 5, 5, 5, 7,
4
6
3
5
Find the Quartile 1 of these numbers:
2, 3, 4, 5, 5, 5, 7,
4
6
3
5
Find the Quartile 3 of these numbers:
2, 3, 4, 5, 5, 5, 7,
4
6
3
5
Find the range.
5, 5, 9, 12,18, 22, 25,
12
25
30
20
Find the mean?
3.3
99
97.4
98
What is the Mode?
97.4
97.2
97
96.8
What is the range?
97.2
4
3.3
3.2
What is this type of graph called?
a bar graph
a line plot
a circle graph
a pictograph
What do you have to have to make a graph
data
facts
paper
Infor
What is the name of the vertical (up and down) axis of the graph?
X axis
Y axis
