A nurse practitioner measured the heights of 1-year-olds in a day-care class. The measurements are listed below. In inches: 25 32 35 25 30 26.5 26 25.5 29.5 32 30 28.5 30 32 28 31.5 29 29.5 30 34 29 32 27 28 33 28 27 32 29 29.5 What is the mean? What is the standard deviation? What is the sample size?

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  • A nurse practitioner measured the heights of 1-year-olds in a day-care class.

The measurements are listed below.

In inches:

25           32           35           25           30           26.5        26           25.5        29.5        32

30           28.5        30           32           28           31.5        29           29.5        30           34

29           32           27           28           33           28           27           32           29           29.5

 

What is the mean?

 

What is the standard deviation?

 

What is the sample size?

 

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