WGU C955 - Module 4: Descriptive Statistics for a Single
Variable, Questions and answers. Rated A+
If 200 people are surveyed, how many claim to have had no exercise? !@#$%%%%%
%%%%%%
{{ Pie chart reflecting the average number of hours exercised per week. No exercise 36%, 1 -
2 hours 28%, 3 - 4 hours 12%, 4 - 5 hours 10%, 5 - 6 hours 8%, 6 - 7 hours 4%, more than 7
hours 2%. }}
A 18
B 36
C 72
D Cannot determine - (ANSWERS)72
Determine the range for the following data set. {1,24,26,28,32,36,38,40,65}
A 1 to 65
B 64
C 65
D Cannot determine - (ANSWERS)64
It is important to start the frequency scale on a bar chart at which value to be certain not to
overemphasize a difference in values?
A Zero
B The lowest measured value
C The smallest frequency
D As long as the scale is even, it doesn't matter where you start it. - (ANSWERS)Zero
If 80 people exercised 4 - 5 hours per week, how many people were surveyed?
{{ Pie chart reflecting the average number of hours exercised per week. No exercise 36%, 1 -
2 hours 28%, 3 - 4 hours 12%, 4 - 5 hours 10%, 5 - 6 hours 8%, 6 - 7 hours 4%, more than 7
hours 2%. }}
A 80
B 800
C 400
D 50 - (ANSWERS)800
You are a professional trainer at a local sports academy. You ask your athletes to determine
the number of grams of protein they consume for a particular meal. Which of the following
would be the best choice to illustrate the shape of the data you collect?
A Bar chart
B Pie chart
, WGU C955 - Module 4: Descriptive Statistics for a Single
Variable, Questions and answers. Rated A+
C Box plot !@#$%%%%%
D None of the above - (ANSWERS)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 - (ANSWERS)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 - (ANSWERS)Age of death
Determine any outliers in the following data set. {1,24,26,28,32,36,38,40,65}
A1
B 65
C A and B
D None - (ANSWERS)A and B
Determine the interquartile range ( IQR ) for the following set of diagnostic test scores.
{60,47,65,85,81,77,70,56,47,84,75}
A 25
B 57
C 68
D 80 - (ANSWERS)25
Stem plots display which type of data?
A Quantitative
B Categorical
C Neither Quantitative nor categorical
D Quantitative and categorical - (ANSWERS)Quantitative
Determine the median for the following set of diagnostic test
scores.{60,47,65,85,81,77,70,56,47,84,75}
A 67
B 70
Variable, Questions and answers. Rated A+
If 200 people are surveyed, how many claim to have had no exercise? !@#$%%%%%
%%%%%%
{{ Pie chart reflecting the average number of hours exercised per week. No exercise 36%, 1 -
2 hours 28%, 3 - 4 hours 12%, 4 - 5 hours 10%, 5 - 6 hours 8%, 6 - 7 hours 4%, more than 7
hours 2%. }}
A 18
B 36
C 72
D Cannot determine - (ANSWERS)72
Determine the range for the following data set. {1,24,26,28,32,36,38,40,65}
A 1 to 65
B 64
C 65
D Cannot determine - (ANSWERS)64
It is important to start the frequency scale on a bar chart at which value to be certain not to
overemphasize a difference in values?
A Zero
B The lowest measured value
C The smallest frequency
D As long as the scale is even, it doesn't matter where you start it. - (ANSWERS)Zero
If 80 people exercised 4 - 5 hours per week, how many people were surveyed?
{{ Pie chart reflecting the average number of hours exercised per week. No exercise 36%, 1 -
2 hours 28%, 3 - 4 hours 12%, 4 - 5 hours 10%, 5 - 6 hours 8%, 6 - 7 hours 4%, more than 7
hours 2%. }}
A 80
B 800
C 400
D 50 - (ANSWERS)800
You are a professional trainer at a local sports academy. You ask your athletes to determine
the number of grams of protein they consume for a particular meal. Which of the following
would be the best choice to illustrate the shape of the data you collect?
A Bar chart
B Pie chart
, WGU C955 - Module 4: Descriptive Statistics for a Single
Variable, Questions and answers. Rated A+
C Box plot !@#$%%%%%
D None of the above - (ANSWERS)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 - (ANSWERS)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 - (ANSWERS)Age of death
Determine any outliers in the following data set. {1,24,26,28,32,36,38,40,65}
A1
B 65
C A and B
D None - (ANSWERS)A and B
Determine the interquartile range ( IQR ) for the following set of diagnostic test scores.
{60,47,65,85,81,77,70,56,47,84,75}
A 25
B 57
C 68
D 80 - (ANSWERS)25
Stem plots display which type of data?
A Quantitative
B Categorical
C Neither Quantitative nor categorical
D Quantitative and categorical - (ANSWERS)Quantitative
Determine the median for the following set of diagnostic test
scores.{60,47,65,85,81,77,70,56,47,84,75}
A 67
B 70
