WGU C955 APPLIED PROBABILITY AND
STATISTICS |ACTUAL QUESTIONS AND VERIFIED
ANSWERS |BRAND NEW 2026-2027
UPDATE|GRADED A+
Question 1
In one 12-hour shift, a nurse spends four hours at patient bedsides, two hours pulling
medications, one hour on breaks, two hours documenting, and three hours doing other
activities. An analyst would like to display the data by representing the 12-hour shift as
one whole. Which display method should the analyst use to meet this goal?
- Box plot
- Stem plot
- Histrogram
- Pie chart
CORRECT ANSWER
Pie chart
Question 2
For which type of website data would a histogram be most appropriate?
- Length of visit in minutes
- Location of visitor by country
- Frequently viewed pages
- Most popular method of arrival
CORRECT ANSWER
Length of visit in minutes
1
,Question 3
A company has 14 employees. Six employees work day shift, five employees work swing
shift, and three employees work night shift. Which type of graph should be used to display
how many employees work each shift?
- Stem plot
- Bar graph
- Box plot
- Histogram
CORRECT ANSWER
Bar graph
Question 4
A new video gaming site wants to know what the median age is of its adolescent
population so they can focus on activities for these clients. A data analyst recorded the
ages of 12 adolescents who used the site over a three-month period. The results are given
below:
Age
13, 16, 17, 18, 19
Frequency
1, 2, 2, 3, 4,
What is the median age of the adolescents?
CORRECT ANSWER
18.0
Question 5
2
, A study is conducted on the possible relationship between gender and income of the
employees at a marketing company.Which numerical measure is appropriate for this
study?
- Standard deviation
- Five-number summary
- Conditional percentages
- Correlation coefficient
CORRECT ANSWER
Five-number summary
Question 6
Salespeople at a large company are randomly assigned to two groups: one that completes
training on new products and one that receives no training. The group that received
training had a significantly higher average sales volume than the group that did not. What
is the appropriate conclusion?
- There is a causal relationship between training and sales volume.
- There is no association between training and sales volume.
- There is an association between training and sales volume, but a causal relationship cannot
be concluded.
- There is a causal relationship between training and sales volume, but an association cannot
be concluded.
CORRECT ANSWER
There is a causal relationship between training and sales volume.
Question 7
A six-sided die, with a number from 1 to 6 on each side, is rolled twice. What is the
probability that two odd numbers are rolled consecutively?
- 1/2
3
STATISTICS |ACTUAL QUESTIONS AND VERIFIED
ANSWERS |BRAND NEW 2026-2027
UPDATE|GRADED A+
Question 1
In one 12-hour shift, a nurse spends four hours at patient bedsides, two hours pulling
medications, one hour on breaks, two hours documenting, and three hours doing other
activities. An analyst would like to display the data by representing the 12-hour shift as
one whole. Which display method should the analyst use to meet this goal?
- Box plot
- Stem plot
- Histrogram
- Pie chart
CORRECT ANSWER
Pie chart
Question 2
For which type of website data would a histogram be most appropriate?
- Length of visit in minutes
- Location of visitor by country
- Frequently viewed pages
- Most popular method of arrival
CORRECT ANSWER
Length of visit in minutes
1
,Question 3
A company has 14 employees. Six employees work day shift, five employees work swing
shift, and three employees work night shift. Which type of graph should be used to display
how many employees work each shift?
- Stem plot
- Bar graph
- Box plot
- Histogram
CORRECT ANSWER
Bar graph
Question 4
A new video gaming site wants to know what the median age is of its adolescent
population so they can focus on activities for these clients. A data analyst recorded the
ages of 12 adolescents who used the site over a three-month period. The results are given
below:
Age
13, 16, 17, 18, 19
Frequency
1, 2, 2, 3, 4,
What is the median age of the adolescents?
CORRECT ANSWER
18.0
Question 5
2
, A study is conducted on the possible relationship between gender and income of the
employees at a marketing company.Which numerical measure is appropriate for this
study?
- Standard deviation
- Five-number summary
- Conditional percentages
- Correlation coefficient
CORRECT ANSWER
Five-number summary
Question 6
Salespeople at a large company are randomly assigned to two groups: one that completes
training on new products and one that receives no training. The group that received
training had a significantly higher average sales volume than the group that did not. What
is the appropriate conclusion?
- There is a causal relationship between training and sales volume.
- There is no association between training and sales volume.
- There is an association between training and sales volume, but a causal relationship cannot
be concluded.
- There is a causal relationship between training and sales volume, but an association cannot
be concluded.
CORRECT ANSWER
There is a causal relationship between training and sales volume.
Question 7
A six-sided die, with a number from 1 to 6 on each side, is rolled twice. What is the
probability that two odd numbers are rolled consecutively?
- 1/2
3
