Measures of Center and Spread - It's Jeopardy!

Find Mean and Median

100

1 , 2 , 3

MEAN: 2

MEDIAN: 2

200

5 , 20 , 30 , 50

MEAN:26.25

MEDIAN: 25

300

42 , 57 , 65 , 85 , 97 , 99 , 72

MEAN: 73.857

MEDIAN: 72

Find IQR

100

Find IQR of: 5,6,10,12,15

IQR: Q3-Q1 = 13.5 - 5.5 = 8

200

DOUBLE THE POINTS if you're correct!

-200 if you're not!

Find the IQR of the following data set: 6 , 4 , 3 , 2 , 5, 7,7

Q1: 2

Q2: 4

Q3: 6

IQR: Q3 - Q1 = 6-2 = 4

The IQR is 4.

300

23 , 64 , 74 , 77 , 79 , 84 , 84 , 94

15

84-69=18

Find Standard Deviation

100

5 , 10 , 15

What is 5?

200

59 , 62 , 70 , 86 , 94

approximately 15.238

300

Find the Standard Deviation of the following data set: 90 , 90 , 90 , 90 , 90 , 90

zero

Frequencies

100

Use the "Concession Stand Sales" frequency table.

Out of all the people who didn't order food, how many people still got a soda?

Decide whether this is a joint, marginal, or conditional relative frequency.

30/60 = 50%

conditional relative frequency

200

DOUBLE THE POINTS if you're correct!

-200 if you're not!

Use the "Concession Stand Sales" frequency table. 

What percent of people ordered soda?

Is this a joint, marginal or relative frequency?

200/400 = 50% ordered soda

marginal relative frequency

300

Use "Concession Stand Sales" frequency table

What percent of people ordered a pizza and no drink?

4/400 = 10%

joint relative frequency