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Author Question: The standard deviation of a sample of 100 observations is 64 . The variance of the sample is which ... (Read 162 times)

ashley

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The standard deviation of a sample of 100 observations is 64 . The variance of the sample is which of the following?
 a. 8
  b. 10
  c. 6,400
  d. 4,096

Question 2

The following random sample from a population whose values were normally distributed was collected. 10 12 18 16 The 80 confidence interval for  is
 a. 12.054 to 15.946.
   b. 10.108 to 17.892.
   c. 10.321 to 17.679.
   d. 11.009 to 16.991.



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cadimas

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Answer to Question 1

b

Answer to Question 2

d




ashley

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Reply 2 on: Jun 24, 2018
:D TYSM


alvinum

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

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