Mean Median Mode Range Quiz
Questions: 16 · 10 minutes
1. What is the mode of 2, 4, 4, 7, and 9?
2
5.2
7
4
2. Home sale prices in a neighborhood are mostly similar, but one mansion sells for far more than every other home. Which measure is usually most useful for reporting the center of these sale prices?
The median, because it is less affected by the mansion's price.
The mean, because unusually large values do not affect it.
The range, because it identifies the center of the prices.
The mode, because every list of sale prices must have one.
3. A survey produces the responses 1, 2, 2, 3, 3, 3, and 5. What is the mode?
2
2.5
5
3
4. Which statement correctly describes the data set 1, 2, 3, and 4?
It has no mode because no value occurs more often than the others.
Its mode is 2.5 because that is the center.
It has four modes because every value appears once.
Its mode is 1 because that value appears first.
5. Five annual incomes, in thousands, are 30, 32, 34, 35, and 200. Which statistic best represents a typical income in this group without being pulled upward by the unusually high value?
The mean, 66.2
The median, 34
The range, 170
The mode, 30
6. A small shop receives 2, 5, 8, and 14 orders on four mornings. What is the median number of orders?
6.5
8
5
7.25
7. What is the median of 3, 5, 8, 11, and 14?
5
8.2
8
11
8. Which statement correctly defines the arithmetic mean of a data set?
Put the values in order and select the middle one.
Add all values and divide by the number of values.
Find the value that occurs most often.
Subtract the smallest value from the largest value.
9. A frequency table shows that 1 occurs once, 2 occurs twice, 3 occurs three times, and 4 occurs twice. Which summary is correct?
Mean 3, median 2.75, mode 4, range 3
Mean 2.75, median 3, mode 3, range 3
Mean 3, median 3, mode 2, range 4
Mean 2.75, median 2, mode 3, range 4
10. Five numbers have a mean of 12. Four of the numbers total 44. What is the fifth number?
12
14
20
16
11. A teacher adds 5 points to every score in a data set. Which change must occur?
The mean and median rise by 5, while the range stays unchanged.
The mean rises by 5, while the median and range stay unchanged.
The mean, median, and range all rise by 5.
The range rises by 5, while the mean stays unchanged.
12. Four containers hold 6, 8, 10, and 12 liters. What is the mean amount?
8 liters
9 liters
10 liters
6 liters
13. Data set A is 4, 5, 6. Data set B is 0, 5, 10. Which comparison is correct?
Set A has a larger mean and a smaller range than Set B.
Both sets have the same mean and the same range.
Both have a range of 5, but Set A has the larger mean.
Both have a mean of 5, but Set B has the larger range.
14. During one week, the recorded overnight temperatures are −3°C, 2°C, 5°C, and 9°C. What is their range?
6°C
9°C
12°C
3°C
15. A runner records times of 4, 6, 7, 9, and 15 minutes. What is the median time?
6 minutes
8.2 minutes
7 minutes
9 minutes
16. How is the range of a numerical data set calculated?
Divide the largest value by the smallest value.
Subtract the first listed value from the last listed value.
Subtract the smallest value from the largest value.
Subtract the mean from the largest value.