Statistics Diagnostic

How many students have 0 Brothers and Sisters? 

• 6 students

• 0 students

• 12 students

• 10 students

What is the range of 45, 56, 23, 74, and 63?

• 18

• 51

• 23

• 56

Find the mean of 1, 2, 3, 4, and 5

• 7

• 3

• 4

• 2

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

• 84

• 90

• 85

• 88

How many classes are there?

• 6

• 30

• 1-5

• 1-30

The vertical axis of a histogram comes from this column:

• Class

• Frequency

• Midpoint

• Cumulative Frequency

• Class Endpoints

In how many games did the team score more than 20 points?

• 8

• 7

• 10

• 9

What is the interquartile range (IQR)?

• 4

• 64

• 60

• 8

The mode score on the 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.

Which is NOT a characteristic of normal distribution?

• Symmetrical

• Bell-shaped

• Random

• Continuous