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1. |
How many customer service ratings above 80 did the company receive? |
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A. |
16 |
B. |
12 |
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C. |
5 |
D. |
2 |
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Hint |
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2. |
What is the range for the scores 3, 1, 5, 7, 11, 9? |
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A. |
9 |
B. |
6 |
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C. |
10 |
D. |
11 |
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Hint |
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3. |
What would you predict your resting heart rate would be if you exercise 25 minutes per day? |
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A. |
120 |
B. |
50 |
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C. |
100 |
D. |
70 |
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Hint |
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4. |
The following are scores on an English exam. The highest score possible is 100. How many students scored at least 70? |
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A. |
25 |
B. |
13 |
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C. |
12 |
D. |
14 |
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Hint |
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5. |
What is the difference between the highest and the lowest values? |
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A. |
84 |
B. |
100 |
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C. |
80 |
D. |
75 |
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Hint |
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6. |
What is the median for a set of quiz scores? |
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A. |
16 |
B. |
17 |
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C. |
13 |
D. |
15 |
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Hint |
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7. |
Which is not a reason that measures of central tendency for a set of data can be misleading? |
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A. |
inaccurate data |
B. |
incomplete data |
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C. |
too much data |
D. |
outliers in the data |
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Hint |
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8. |
The prices of a certain type of calculator in eight different retail stores are; $70 $75 $80 $80 $85 $90 $95 $105. Which of the tables is a frequency table of the prices? |
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A. |
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B. |
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C. |
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D. |
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Hint |
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9. |
Find the mean of {15, 7, 9, 25, 4}. |
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A. |
12 |
B. |
9 |
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C. |
10 |
D. |
13 |
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Hint |
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10. |
What is the lower extreme for the quiz scores? |
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A. |
3 |
B. |
15 |
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C. |
20 |
D. |
12 |
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Hint |
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11. |
If you have taken five English tests this quarter and received scores of 72, 72, 93, 94, and 95, what misleading statistic could you use to make your grades look better than they are? |
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A. |
mode |
B. |
range |
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C. |
mean |
D. |
median |
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Hint |
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12. |
The scatter plot shows the number of students per computer in U.S. public schools. Assume the number of students stays the same throughout the years. Choose the statement that best describes the data. |
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A. |
In the future, their will be more students per computer. |
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B. |
Their are more computers in schools in 1990 than their were in 2000. |
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C. |
In the future, their will be 0 students per computer. |
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D. |
There are more computers in schools in 2000 than their were in 1990. |
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Hint |
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13. |
The stem-and-leaf plot shows the bowling scores of one round of a bowling meet. Choose the statement that best describes how the data are spread out. |
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A. |
The bowling scores are evenly spread out between 116 and 168. |
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B. |
The majority of bowlers scored 149 points or less. |
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C. |
The majority of bowlers scored 149 points or greater. |
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D. |
The mode represents the average bowling score. |
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Hint |
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14. |
Make a box-and-whisker plot of the duration of ten recent solar eclipses listed in the table. |
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A. |
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B. |
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C. |
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D. |
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Hint |
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15. |
The graphs below show the number of minutes spent on the phone. Which graph would you use to compare the amount of minutes spent on the phone Tuesday and Friday? |
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A. |
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B. |
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C. |
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D. |
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Hint |
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16. |
The graphs below show the number of minutes spent on the phone. Which graph would you use to order the days of the week from greatest to least amount of time spent on the phone? |
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A. |
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B. |
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C. |
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D. |
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Hint |
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