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1. John measured the thickness of a book using a ruler. He obtained the following values (in inches):

2.38; 2.36; 2.58; 2.35; 2.37; 2.40; 2.38; 2.34; 2.35; 2.41; 2.37.

(a) Calculate the mean thickness of the book.

(b) Calculate the standard deviation of the mean.

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Category:- Physics
Reference No.:- M9891090

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