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QUESTION 1

  1. Find the minimum, maximum, range, mean, and median for the data set. 

    37, 43, 54, 83, 102, 117, 160, 208

    minimum: 37 

    maximum: 208 

    range: 171 

    mean: 100.5 

    median: 92.5

    minimum: 37 

    maximum: 208 

    range: 171 

    mean: 92.5 

    median: 100.5

    minimum: 208 

    maximum: 37 

    range: 171 

    mean: 100.5 

    median: 92.5

5 points  

QUESTION 2

  1. What is the mode of this data set? 

     

    80, 95, 100, 85, 95, 110, 90, 112, 110, 96, 95, 100

5 points  

QUESTION 3

  1. What is the range of this data set? 

    64°, 72°, 74°, 68°, 70°, 68°, 68°, 75°, and 44°

    11°

    75°

    31°

5 points  

QUESTION 4

  1. Mark recorded the number of minutes each person in his neighborhood played sports in one week. He then organized the information in a frequency table.

    Time Spent Playing Sports Each Week
    Time (minutes) Frequency
    0–29 4
    30–59 6
    60–89 2

    Which histogram correctly displays this information?

5 points  

QUESTION 5

  1. Find the interquartile range of the data.

5 points  

QUESTION 6

  1. What type of correlation is shown in the scatter plot?

5 points  

QUESTION 7

  1. State whether each extreme in the data set is an outlier.

    Box-and-whisker plot with five-number summary 2, 14, 17, 20, 34.

5 points  

QUESTION 8

  1. How is the data in the line plot skewed?

    skewed middle

5 points  

QUESTION 9

  1. Henry took a survey to find out what the favorite brand of hot dog was among people in the city. For his survey, he randomly chose people exiting a children’s play. Which statement is most likely true?

5 points  

QUESTION 10

  1. The owner of a bicycle repair shop wants to know how his customers feel about the service they receive, so he asks each customer to fill out a survey about their experience. 

    Which type of sampling strategy is the owner using?

5 points  

QUESTION 11

  1. What could cause the graph to be misleading?

5 points  

QUESTION 12

  1. A ____________ is a graph that uses adjacent rectangles to display frequencies, or relative frequencies, of quantitative data values.

    mean absolute deviation

    convenience sample

    histogram

5 points  

 
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