The following data represent the concentration of organic carbon collected from mineral soil. (Data is already organized in ascending order … smallest to largest)     3.02 7 8.5 10.74 16.92 3.79 7.11 8.5 10.89 17.9 3.91 7.31 8.79 11.33 17.99 3.99 7.45 9.1 11.56 21 4.6 7.66 9.11 11.72 21.4 4.71 7.85 9.29 11.72 21.82 4.8 7.9 9.6 11.8 22.62 4.85 7.92 9.81 11.97   4.9 8.05 10.3 12.57   5.5 8.37 10.72 12.89   Using your calculator, find the mean and standard deviation. Round your mean and standard deviation to the nearest hundredths. The mean is  ____ (blank) and the standard deviation is ____ (blank) Find the zscore for the data value 17.99. Round your answer to the nearest hundredths.  The zscore is ____ (blank)

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter11: Data Analysis And Displays
Section: Chapter Questions
Problem 7CR
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The following data represent the concentration of organic carbon collected from mineral soil.

(Data is already organized in ascending order … smallest to largest)

 

 

3.02

7

8.5

10.74

16.92

3.79

7.11

8.5

10.89

17.9

3.91

7.31

8.79

11.33

17.99

3.99

7.45

9.1

11.56

21

4.6

7.66

9.11

11.72

21.4

4.71

7.85

9.29

11.72

21.82

4.8

7.9

9.6

11.8

22.62

4.85

7.92

9.81

11.97

 

4.9

8.05

10.3

12.57

 

5.5

8.37

10.72

12.89

 

Using your calculator, find the mean and standard deviation. Round your mean and standard deviation to the nearest hundredths.

  1. The mean is  ____ (blank) and the standard deviation is ____ (blank)
  2. Find the zscore for the data value 17.99. Round your answer to the nearest hundredths.  The zscore is ____ (blank)
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