WGU D771 QUANTITATIVE LITERACY
ACTUAL EXAM PAPER 2026 QUESTIONS
WITH ANSWERS GRADED A+
◍ A researcher wants to study the dietary habits of teenagers in a specific
school district. Which of the following sampling methods would be most
appropriate if the researcher wants to ensure that the sample includes a
proportional representation of students from each grade level?.
Answer: Stratified sampling
◍ The graph below represents the distance of a dog from a trainer after a
command is given.Which statement could describe the dog's movement 5
seconds after the command was given.
Answer: The dog was running towards the trainer to receive a treat.
◍ Cluster (Example).
Answer: A researcher studying the opinions of high school students in a
state might randomly select five schools and survey all students within those
schools.
◍ The graph represents a person's heart rate in beats per minute during 30
minutes of exercise.Which statement best describes the relationship between
heart rate and time during exercise?.
Answer: The heart rate increases for 6 minutes, remains constant for 19
minutes, and then gradually decreases for 5 minutes.
◍ How is a statistic calculated?.
Answer: It is calculated from the data collected from the sample.
◍ Basic elements that make up a dataset.
Answer: individuals, variables, and data.
,◍ Yana is in the school computer lab writing a paper for history class. The
graph represents the number of words Yana has written after a number of
minutes.Which situation could describe Yana's activities in the computer
lab?.
Answer: Yana opened her saved paper, wrote, took a break, deleted some of
the words, and then began writing again.
◍ Perceived lack of anonymity.
Answer: type of response bias which occurs when the responder fears giving
an honest answer might negatively affect them, leading to dishonest or
misleading responses
◍ The table represents the recommended exercise intensity for an aerobic
program based on the number of visits since beginning the program. The
program recommends a constant intensity for 3 visits, increasing intensity
over 3 visits, and then decreasing intensity for 3 visits before restarting the
pattern. Which sets of values could be the intensities of Amber's exercise
during the fourth, fifth, and sixth visits? Check all that apply..
Answer: 66%, 69%, 72%63%, 65%, 67%67%, 72%, 77%
◍ Histogram.
Answer: is a chart which displays quantitative data by grouping it into
intervals (also called bins or classes) of a set width on the x-axis. A bar is
placed above each interval and its height represents the number of data
points that fall in that interval, called the frequency or count.
◍ The graph below represents a library fine, in dollars, for a book returned late
after a number of days overdue.Christen returned an overdue book to the
library. Her fine was the same as the fine for returning the book yesterday.
Which could be the number of days overdue?.
Answer: 22
◍ without replacement.
Answer: selecting an item and not returning it to the group, so each choice
changes the chances for the next selection
, ◍ The graph represents the heights of two climbers on a climbing wall over a
12-minute time period.Which statement is true about the climbers' heights?.
Answer: Both climbers rested on the wall at a constant height for 2 minutes.
◍ Randomization.
Answer: helps distribute potential confounding variables equally across
groups, allowing researchers to isolate the effect of the manipulated
variableExample: In a study testing a new drug, participants are randomly
assigned to groups where one group receives the drug, and the other does
not.
◍ A single object or individual being measured is called.
Answer: Experimental unit
◍ The table shows the height of the tree that Margo planted over an 11-month
period.Which statement can be supported by the information in the table?.
Answer: The tree increased in height each month until the time period
between month 9 and month 11.
◍ Volunteer samples are prone to bias because....
Answer: participants who self-select may be different from the general
population.
◍ Quartiles.
Answer: values that divide an ordered data set into four equal parts. They
are special percentiles that help to understand the spread and center of the
data.
◍ The graph shows the total number of hours Katrina worked over a 10-day
period.During which one-day interval did she work the most hours?.
Answer: from day 7 to day 8
◍ C→Q Role-type Classification.
Answer: When we have a C→Q (Categorical to Quantitative) role-type
classification, a side-by-side boxplot
◍ The table represents the amount of storage space, in megabytes, used by
ACTUAL EXAM PAPER 2026 QUESTIONS
WITH ANSWERS GRADED A+
◍ A researcher wants to study the dietary habits of teenagers in a specific
school district. Which of the following sampling methods would be most
appropriate if the researcher wants to ensure that the sample includes a
proportional representation of students from each grade level?.
Answer: Stratified sampling
◍ The graph below represents the distance of a dog from a trainer after a
command is given.Which statement could describe the dog's movement 5
seconds after the command was given.
Answer: The dog was running towards the trainer to receive a treat.
◍ Cluster (Example).
Answer: A researcher studying the opinions of high school students in a
state might randomly select five schools and survey all students within those
schools.
◍ The graph represents a person's heart rate in beats per minute during 30
minutes of exercise.Which statement best describes the relationship between
heart rate and time during exercise?.
Answer: The heart rate increases for 6 minutes, remains constant for 19
minutes, and then gradually decreases for 5 minutes.
◍ How is a statistic calculated?.
Answer: It is calculated from the data collected from the sample.
◍ Basic elements that make up a dataset.
Answer: individuals, variables, and data.
,◍ Yana is in the school computer lab writing a paper for history class. The
graph represents the number of words Yana has written after a number of
minutes.Which situation could describe Yana's activities in the computer
lab?.
Answer: Yana opened her saved paper, wrote, took a break, deleted some of
the words, and then began writing again.
◍ Perceived lack of anonymity.
Answer: type of response bias which occurs when the responder fears giving
an honest answer might negatively affect them, leading to dishonest or
misleading responses
◍ The table represents the recommended exercise intensity for an aerobic
program based on the number of visits since beginning the program. The
program recommends a constant intensity for 3 visits, increasing intensity
over 3 visits, and then decreasing intensity for 3 visits before restarting the
pattern. Which sets of values could be the intensities of Amber's exercise
during the fourth, fifth, and sixth visits? Check all that apply..
Answer: 66%, 69%, 72%63%, 65%, 67%67%, 72%, 77%
◍ Histogram.
Answer: is a chart which displays quantitative data by grouping it into
intervals (also called bins or classes) of a set width on the x-axis. A bar is
placed above each interval and its height represents the number of data
points that fall in that interval, called the frequency or count.
◍ The graph below represents a library fine, in dollars, for a book returned late
after a number of days overdue.Christen returned an overdue book to the
library. Her fine was the same as the fine for returning the book yesterday.
Which could be the number of days overdue?.
Answer: 22
◍ without replacement.
Answer: selecting an item and not returning it to the group, so each choice
changes the chances for the next selection
, ◍ The graph represents the heights of two climbers on a climbing wall over a
12-minute time period.Which statement is true about the climbers' heights?.
Answer: Both climbers rested on the wall at a constant height for 2 minutes.
◍ Randomization.
Answer: helps distribute potential confounding variables equally across
groups, allowing researchers to isolate the effect of the manipulated
variableExample: In a study testing a new drug, participants are randomly
assigned to groups where one group receives the drug, and the other does
not.
◍ A single object or individual being measured is called.
Answer: Experimental unit
◍ The table shows the height of the tree that Margo planted over an 11-month
period.Which statement can be supported by the information in the table?.
Answer: The tree increased in height each month until the time period
between month 9 and month 11.
◍ Volunteer samples are prone to bias because....
Answer: participants who self-select may be different from the general
population.
◍ Quartiles.
Answer: values that divide an ordered data set into four equal parts. They
are special percentiles that help to understand the spread and center of the
data.
◍ The graph shows the total number of hours Katrina worked over a 10-day
period.During which one-day interval did she work the most hours?.
Answer: from day 7 to day 8
◍ C→Q Role-type Classification.
Answer: When we have a C→Q (Categorical to Quantitative) role-type
classification, a side-by-side boxplot
◍ The table represents the amount of storage space, in megabytes, used by
