Statistics, Mean Median Mode, Interquartile Range, Dot Plots Circle Graphs

• It means you did better than zero people.

• It means you scored the same grade as the average grade.

• It means you earned a zero on the quiz.

• It means the average score was a zero.

Use the image of the normal graph provided. What is the value of the mean?

• 6

• 34

• 52

• 70

Use the image of the normal graph provided. What is the value of the standard deviation?

• 6

• 12

• 36

• 18

Use the image of the normal graph provided. What percent of values are less than 46?

• 16%

• 84%

• 46%

• 12.5%

• 99.04%

• 0.96%

• 98.93%

• 97.68%

Jar candle, mean = 25 hours, standard deviation = 2.5 Pillar candle, mean = 95 hours, standard deviation = 7.5 Fezzik has one of each type of candle. He knows his candles each have a z-score of 1.5. How long will each candle burn?

• Jar candle 25 hours, Pillar candle 95

• Jar candle 28.75 hours, Pillar candle 106.25

• Jar candle 27.5 hours, Pillar candle 102.5

Find the Z-score.

Mean = 22

Standard Deviation: 3.1

x = 29

• 2.26

• 16.45

• -2.26

• 1.26

Find the Z-score.

Mean = 21

Standard Deviation: 1.3

x = 22

• 0.77

• 5.33

• 1.07

• 1.26

Find the z-score.

{23, 15, 4, 11, 1, 29, 3, 17}

x = 30

• 1.82

• 5.3

• -6.5

• 8.2

What is the Z-score for Paula if she got 1400 on the SAT, the mean was 1100 and the standard deviation was 275?

• -1.90

• -1.09

• +1.09

• +1.90