Verified
Which of the following questions about cars in a school parking lot will allow for the collection of a set of
categorical data? - E. What are the colors of the cars in the lot?
The following table summarizes the number of pies sold at a booth one day at a local farmers market.
Which of the following statements is supported by the table? - E. The combined percentage of key lime
pies sold and pumpkin pies sold was less than 50%.
The combined percentage of key lime pies sold and pumpkin pies sold was less than 50%.
Which of the following statements is not supported by the table? - C. For men, the number who chose a
design with black was greater than the number who chose a design with blue.
4. Free-Response - 4
5. Free Response - 5
The following list shows the number of video games sold at a game store each day for one week.
15, 43, 50, 39, 22, 16, 20
Which of the following is the best classification of the data in the list? - D. Quantitative and discrete
7. Free Response - 7
A scientist recorded the duration of the eruptions of the Old Faithful geyser in Yellowstone National Park
that occurred during a one-month time period. The histogram below shows the distribution of the
duration, in seconds, of the eruptions.
, Based on the histogram, which of the following is the best description of the distribution? - E. The
distribution displays two clusters, with one cluster centered at about 125 seconds and the other
centered at about 260 seconds, and has a range of at most 250 seconds.
The histogram above shows the number of minutes needed by 45 students to finish playing a computer
game. Which of the following statements is correct? - B. The distribution is skewed to the left.
A company determines the mean and standard deviation of the number of sick days taken by its
employees in one year. Which of the following is the best description of the standard deviation? - A.
Approximately the mean distance between the number of sick days taken by individual employees and
the mean number of sick days taken by all employees
A graduate student conducted a study of field mice in rural Kansas. The student obtained a sample of
100 field mice and recorded the weight, in grams, of each mouse. After the measurements were taken,
it was discovered that the scale was not calibrated correctly. The student adjusted the 100 recorded
measurements by subtracting 3 grams from each measurement. Which of the following statistics for the
weight, in grams, of the field mice has the same value before and after the adjustment? - E. The
interquartile range
Each person in a random sample of adults was asked how many DVDs he or she owned. Summary
statistics are given below.
Which of the following statements is true? - D. The interquartile range of the number of DVDs owned is
65.
For which of the following distributions is the mean greater than the median? - A. Positively/Right
Skewed
The number of siblings was recorded for each student of a group of 80 students. Some summary
statistics and a histogram displaying the results are shown below.
An outlier is often defined as a number that is more than 1.5 times the interquartile range below the
first quartile or above the third quartile. Using the definition of an outlier and the given information,