Measures of Central Tendency 7th grade

The number of miles that Jenna cycled each week for a 7-week period is shown:

36, 42, 28, 52, 48, 36, 31

What is the median number of miles Jenna cycled?

• 24

• 36

• 39

• 52

At Donald's Donuts the number of donut holes in a bag can vary.

Help Donald find the MODE.

12, 10, 10, 10, 13, 12, 11, 13, 10

• 10

• 10 and 12

• 12

• no mode

The heights of some students are given.

158cm 172cm 164cm

164cm 167cm 159cm

What is the RANGE of the heights?

• 13 cm

• 164 cm

• 330 cm

• 14 cm

Roger bowled 7 games last weekend.

His scores are: 155, 165, 138, 172, 127, 193, 142.

What is the range of Roger's scores?

• 193

• 60

• 127

• 66

If you score 76, 85, 97, and 83 on your math tests, what would your median score be? 

• 84

• 85

• 90

• 88

Find the mean of these numbers: 5, 11, 2, 12, 4, 2

• 4.1

• 4.5

• 6

• 4

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

What is the mode of the following data set...

4 , 8 , 5 , 17 , 5 , 4 , 9 , 5 , 6 , 82

• 4

• 6

• 9

• 5

Is there an outlier? If so, what is it?

17, 36, 45, 98, 25, 34, 19, 45, 36

• outlier: none

• outlier: 98

• outlier: 98 and 17

• outlier: 17

Kayte took a sample of 50 pieces of data.  She added up all of the pieces of data and then divided by 50.  What measure of center is she working on?

• Mean

• Median

• Mode

• Range