Measures of Center Word Problems

calculate the median for the following set of scores

45, 69, 69, 87, 88, 92, 99, 100

• 87

• 55

• 87.5

• 99

The mode score on the 6th grade math test was 94! Which of these interpretations MUST be correct?

• 94 was the highest score on the test.

• More students received a 94 than any other score

• No student scored below a 94

• A score of 91 was slightly below average.

Given the set of data below, what would be the most meaningful measure?
1, 1, 1, 1, 1, 1, 1, 1, 1, 21

• Mean

• Median

• Mode

• Range

Question:

• 8

• 4

• 12

• 32

When finding the median, what do you do if there are two middle numbers?

• Add them together and divide by 2

• Write them both as the answer

• Give up

• Pick one

Mode is the

• most frequent

• middle of the numbers

• data

• average

Find the mean.

• 8

• 10

• 7

• 9

Find the mode.

• 88

• no mode

• 90

• 93

Find the mean:
3.8, 4.2, 4.0, 4.2, 4.2

• 4.08

• 20.4

• 5.1

• 4.2

Median is the

• data

• average

• most frequent

• middle of the numbers