Median or Mean

Which best describes the data set?

9, 6, 5, 3, 28, 6, 4, 7

• Mean

• Median

• Both

Which best describes the data set?

• Mean

• Median

• Both

Which best describes the data set?

1, 0, 10, 7, 13, 2, 9, 15, 0, 3

• Mean

• Median

• Both

Which best describes the data set?

73, 77, 85, 84, 37, 115

• Mean

• Median

• Both

Which best describes the data set?

• Mean

• Median

• Both

Use the dot plots representing the number of siblings of students in each class.

Compare the centers of the dot plots by finding the medians.

• The median for each class is 3.5

• The median for each class is 3

• The median for each class is 2

• The median for each class is 2.5

Compare the centers of the box plots.

• The median score for Class A is 5 points higher than for Class B.

• The median score for Class A is 10 points higher than for Class B.

• The median score for Class A is 10 points lower than for Class B.

• The median score for Class A is 5 points lower than for Class B.

Lydia's math test scores are 10, 50, 75, 80, 82, 82, and 97. The lowest score will not be counted. How does the original mean score compare with the mean, after the lowest score is removed?

• The final mean is higher than the original.

• The final mean is lower than the original.

• The final mean is the same as the original.

• The relationship cannot be determined.

The salary of the employees in the office were $15,000; $18,000; $16,000; $14,000; $90,000; and $17,000.  What is the best measure of the central tendency of the salaries?

• Mean

• Median

• Mode

• Range

Which measure of central tendency best represents this set of data:
3, 18, 2, 0, 1, 0, 2, 1

• Mean

• Median

• Mode

• Range