WGU C955 Applied Probability and Statistics Module 4; on Descriptive Statistics Single Variable Questions and Answers 2024/2025
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Course
WGU C955
Institution
WGU C955
WGU C955 Applied Probability and Statistics Module 4; on Descriptive Statistics Single Variable Questions and Answers 2024/2025
Measures of spread - correct answer A number of measures used to determine the distance of data from the center of the data set, such as range and standard deviation.
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WGU C955 Applied Probability and Statistics
Module 4; on Descriptive Statistics Single
Variable Questions and Answers 2024/2025
Measures of spread - correct answer A number of measures
used to determine the distance of data from the center of the
data set, such as range and standard deviation.
Quantitative data - correct answer Data values that are
numbers, representing quantities that can be counted or
measured.
Graphical displays - correct answer Visual displays of data
sets.
Maximum - correct answer The largest value in a set.
Bar chart - correct answer A graph that displays data that is
distributed over groups or categories.
Scale - correct answer The relationship between units and
their visual representation on a graph.
Interquartile range - correct answer The difference, in value,
between the bottom and top 25 percent of the sample or
population.
,Standard deviation - correct answer The measure on average
of how far the data points are from the mean.
Check sheet - correct answer A structured form or table that
allows data to be collected by marking how often an event has
occurred in an certain interval.
Median - correct answer The value or quantity lying at the
midpoint of a frequency distribution.
If 200 people are surveyed, how many claim to have had no
exercise?
{{ Pie chart reflecting the average number of hours exercised
per week. No exercise 36%, 1 - 2 hours 28%, 3 - 4 hours 12%, 4 -
5 hours 10%, 5 - 6 hours 8%, 6 - 7 hours 4%, more than 7 hours
2%. }}
A 18
B 36
C 72
D Cannot determine - correct answer 72
Determine the range for the following data set.
{1,24,26,28,32,36,38,40,65}
A 1 to 65
B 64
C 65
,D Cannot determine - correct answer 64
It is important to start the frequency scale on a bar chart at
which value to be certain not to overemphasize a difference in
values?
A Zero
B The lowest measured value
C The smallest frequency
D As long as the scale is even, it doesn't matter where you start
it. - correct answer Zero
If 80 people exercised 4 - 5 hours per week, how many people
were surveyed?
{{ Pie chart reflecting the average number of hours exercised
per week. No exercise 36%, 1 - 2 hours 28%, 3 - 4 hours 12%, 4 -
5 hours 10%, 5 - 6 hours 8%, 6 - 7 hours 4%, more than 7 hours
2%. }}
A 80
B 800
C 400
D 50 - correct answer 800
You are a professional trainer at a local sports academy. You ask
your athletes to determine the number of grams of protein they
, consume for a particular meal. Which of the following would be
the best choice to illustrate the shape of the data you collect?
A Bar chart
B Pie chart
C Box plot
D None of the above - correct answer Box plot
What is the most significant difference between histograms and
bar charts?
A The number of bars used
B The use of labels on the axes
C The type of data depicted in the graph
D The coloring used for each bar - correct answer The type of
data depicted in the graph
Of the following sets of data, which would you assume should
have the greatest range?
A Age when a baby gets their first tooth
B Age of first-year business students
C Age of death
D Age of high school graduate - correct answer Age of death
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