Statistics Review

Find the mean

• A. 3x
• B. 9x
• C. 10x - 2
• D. 3x + 12

Find the mode

• A. 5
• B. 2
• C. 3
• D. 7

Find the missing test score

• A. 90
• B. 92
• C. 95
• D. 96

Find the range.

• 128
• 124
• 156
• 28

Find the median.

• 94.9
• 124
• 104.5
• no median

Nicole bowled 7 games last weekend. Her scores are: 155, 165, 138, 172, 127, 193, 142. What is the range of Nicole's scores?

• 193
• 127
• 60
• 66

Find the mean, median and mode of the set of data. Round you answer to the nearest tenth.

1,7,11,27,36,14,12,9,1

Mackenzie and Dalinda are trying to determine which number is not the mean, median, mode, or range of the data set 4, 3, 15, 11, 3, 8, 7, 5?

• 3

• 6

• 7

• 11

The mode score on the Mr. Ro's 6th grade math test was 94! Which of these interpretations must be correct?

• 99 was the highest score on the test.

• More students received a 94 than any other score

• No student scored below a 50

• A score of 91 was slightly below average.

Calculate the mean, median, mode and range for the following employee salaries of 10 employees. Write these answers down, you will need them for another question!!

$28,000 $25,000 $31,000 $26,000 $26,000

$64,000 $24,000 $27,000 $81,000 $29,000