IM3- Intro to Stats

• empirical rule

• chebychev's rule

• sample standard deviation

• sample variance

Max - Min

• empirical rule

• range

• sample standard deviation

• deviation

For the data set shown, what is the minimum?

{15, 20, 9, 8, 10, 20, 25, 17}

• 15

• 17

• 8

• 0

For the data set shown, what is the median?

{10, 12, 14, 14, 16, 18, 20, 20}

• 14

• 15

• 15.5

• 16

How many students spent 7 hours doing homework that week?

• 1
• 3
• 5
• 6

How many people have two or less books in their desk?

• 4
• 5
• 6
• 7

What is the mean of these numbers?
4,5,5,2,3,3,2,8

• 6

• 24
• 4
• 3

Find the mean:
28, 18, 19, 18, 17

• 20
• 18
• 22

• 19

Mr Holland gives his class a test. The results are:

34%, 44%, 75%, 21%, 98%, 86%, 71%, 76%, 63%, 55%

How many students scored above the mean percentage?

• 4

• 5

• 6

• 7

What is the mode?

• The value that occurs the most often in a data set

• The sum of all numbers in a data set divided by the size

• The middle number in an ordered data set

• The sum of the greatest and least elements, divided by two