Statistical Diagnostic Test

What does "mode" mean?

• repeats the most

• average

• middle

• variation

How do you find the mean?

• order least to greatest, then slash from each side until you reach the middle

• add the numbers in your data set, then divide by the amount you added

• look for the number that repeats the most

• highest number minus the lowest number

What is the RANGE of her test scores?

• 12

• 72

• 48

• 98

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

• 13

• 12

• 11

• 10

How many people purchased no food and no drink?

• 60

• 10

• 20

• 200

What percent of the total population surveyed were electrical engineers that like math?

• 33.9%

• 48.6%

• 16.5%

• 21.7%

Identify the shaded area...

• A'∩B

• A∩B'

• A∪B'

• A'∪B

Find the standard deviation of the following

7, 8, 10, 10, 11, 12, 13, 14, 14, 14

to 3 s.f.

The heights of some students are given. 158cm 172cm 164cm 164cm 167cm 159cm What is the range of the heights?

• 13cm

• 14cm

• 164cm

• 330cm

Identify the outlier for the given data?
23, 34, 27, 7, 30, 26, 28, 31, 34

• 7

• 23

• 31

• 34