WGU D772 Statistical Data Literacy OBJECTIVE
ASSESSMENT AND PRACTICE EXAM 2026-2027
Exam Complete 70 Questions and Correct Detailed
Answers (Verified Answers) Already Graded A+
Brand New Version!!
A college student is survey other students to determine their preference among three proposed
elective courses. The student will record the major of each survey respondent, and which elective
they preferred most.
Which type of graphical display is appropriate to show the data? - CORRECT ANSWER: Two-
way table
A company randomly chose 1000 customers for an experiment. For half of the customers, the
company sent out regular marketing emails. For the other half, the company sent physical flyers.
At the conclusion of the study, it was found that the customers who received physical flyers
made more purchases than those who receive regular emails.
Which conclusion is valid? - CORRECT ANSWER: There is a casual relationship between the
measured variables
A deli offers four types of bread for sandwiches, white, wheat, multigrain, and rye. Based on past
sales data, the probability that a customer orders, wheat bread.P(W) = 31% and the probability
that a customer orders rye is P(R)=53%
What is P(W and R) for a single sandwich - CORRECT ANSWER: 0%
A gardener recorded the amount of rain and millimeters, for each day of the month of June
What is the correct classification of the collected data? - CORRECT ANSWER: Quantitative
A player has a 25% chance of winning a game that cost four dollars to play. If the player wins,
they receive their four dollars back plus the prize of.$x
What is the value of X that will make this a fair game? - CORRECT ANSWER: $12.00
, A pollster selects seven random marketing firms and conduct in person interviews about industry
trends for all employees at those firms.
What is the sampling method described in the situation? - CORRECT ANSWER: Cluster
A random experiment has ( A,BC,D,E,F,G) for a sample space
What is an example of mutually exclusive events for this sample space - CORRECT ANSWER:
Event one is Vowel and event two is FG
A researcher planted two maple trees and plain soil and two maple trees and fertilize soil. Each
tree was given 20 ML of water and eight hours of sunlight each day. After four weeks, the trees
and plain soil were 7% taller than the trees and fertilize soil.
Is this result likely to be statistically significant? - CORRECT ANSWER: No, because the
sample size for the study was too small
A sales person wants to compare the number of laptops sold for each of the top six brands
What is an appropriate graphical display for this data? - CORRECT ANSWER: Bar graph
A survey given to teenagers about their driving habits, had a low return rate because many young
drivers did not want to answer questions about this topic.
What is illustrated in this scenario? - CORRECT ANSWER: Non-response bias
As sociologist is designing a study that can be used to test a hypothesis.
What should sociologist avoid doing to prevent results that are potentially misleading? -
CORRECT ANSWER: Duplicating data to increase the sample size
For each group of a set of plants, a scientist recorded whether the group was exposed to full
sunlight, partial sunlight, or minimal sunlight.
What is the correct classification of the collected data? - CORRECT ANSWER: Categorical
ASSESSMENT AND PRACTICE EXAM 2026-2027
Exam Complete 70 Questions and Correct Detailed
Answers (Verified Answers) Already Graded A+
Brand New Version!!
A college student is survey other students to determine their preference among three proposed
elective courses. The student will record the major of each survey respondent, and which elective
they preferred most.
Which type of graphical display is appropriate to show the data? - CORRECT ANSWER: Two-
way table
A company randomly chose 1000 customers for an experiment. For half of the customers, the
company sent out regular marketing emails. For the other half, the company sent physical flyers.
At the conclusion of the study, it was found that the customers who received physical flyers
made more purchases than those who receive regular emails.
Which conclusion is valid? - CORRECT ANSWER: There is a casual relationship between the
measured variables
A deli offers four types of bread for sandwiches, white, wheat, multigrain, and rye. Based on past
sales data, the probability that a customer orders, wheat bread.P(W) = 31% and the probability
that a customer orders rye is P(R)=53%
What is P(W and R) for a single sandwich - CORRECT ANSWER: 0%
A gardener recorded the amount of rain and millimeters, for each day of the month of June
What is the correct classification of the collected data? - CORRECT ANSWER: Quantitative
A player has a 25% chance of winning a game that cost four dollars to play. If the player wins,
they receive their four dollars back plus the prize of.$x
What is the value of X that will make this a fair game? - CORRECT ANSWER: $12.00
, A pollster selects seven random marketing firms and conduct in person interviews about industry
trends for all employees at those firms.
What is the sampling method described in the situation? - CORRECT ANSWER: Cluster
A random experiment has ( A,BC,D,E,F,G) for a sample space
What is an example of mutually exclusive events for this sample space - CORRECT ANSWER:
Event one is Vowel and event two is FG
A researcher planted two maple trees and plain soil and two maple trees and fertilize soil. Each
tree was given 20 ML of water and eight hours of sunlight each day. After four weeks, the trees
and plain soil were 7% taller than the trees and fertilize soil.
Is this result likely to be statistically significant? - CORRECT ANSWER: No, because the
sample size for the study was too small
A sales person wants to compare the number of laptops sold for each of the top six brands
What is an appropriate graphical display for this data? - CORRECT ANSWER: Bar graph
A survey given to teenagers about their driving habits, had a low return rate because many young
drivers did not want to answer questions about this topic.
What is illustrated in this scenario? - CORRECT ANSWER: Non-response bias
As sociologist is designing a study that can be used to test a hypothesis.
What should sociologist avoid doing to prevent results that are potentially misleading? -
CORRECT ANSWER: Duplicating data to increase the sample size
For each group of a set of plants, a scientist recorded whether the group was exposed to full
sunlight, partial sunlight, or minimal sunlight.
What is the correct classification of the collected data? - CORRECT ANSWER: Categorical
