Data Analysis

At Donovan's Donuts, the number of donut holes in a box can vary. Help Donovan find the mode.

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

• 13

• 12

• 11

• 10

Dr. Revere is a dentist. He needs to report on the mean number of cavities that his patients have: 1, 0, 1, 5, 0, 3, 4.  What is the mean number of cavities?

• 14

• 2

• 7

• 1

Find the median for the set of numbers:

23, 37, 11, 58, 13, 45

• 30

• 23

• 37

• 34.5

The heights of some students are given.

158 cm     172 cm     164 cm 164 cm     167 cm     159 cm  

What is the range of the heights?

• 13 cm

• 9 cm

• 8 cm

• 14 cm

Find the first quartile of this set of data.

16, 23, 25, 27, 29, 33, 35, 40, 42

• 29

• 24

• 37.5

• 30

Find the third quartile of this set of data.

16, 23, 25, 27, 29, 33, 35, 40, 42

• 29

• 24

• 37.5

• 30

Find the interquartile range of this set of data.

16, 23, 25, 27, 29, 33, 35, 40, 42

• 26

• 13.5

• 19

• 24

Find the probability that you roll a die and it lands on a number greater than 2 then toss a coin and it lands on heads.

A data set contains student test scores.

• The median test score is 75 points.

• The third quartile value is 85 points.

• The range of the test scores is 40 points.

Which statement about the test scores in the data set is most likely true?

• The lowest test score is 45 points.

• The highest test score is 95 points.

• About 25% of the test scores are less than 55 points.

• About 25% of the test scores are between 75 and 85 points.

Natasha has a bag of gift bows. The table below shows the colors of bows in the bag.

If Natasha picks bows at random, what percent chance is there that the first gift she wraps will have a red bow and the second will have a blue blow? Round to the nearest whole percent.

• 16%

• 28%

• 5%

• 4%