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Author Question: In a standard normal distribution, the a. mean and the standard deviation are both 1. b. mean is ... (Read 87 times)

sam.t96

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on: Jun 24, 2018
In a standard normal distribution, the
 a. mean and the standard deviation are both 1.
   b. mean is 0 and the standard deviation is 1.
   c. mean is 1 and the standard deviation is 0.
   d. mean and the standard deviation can have any value.

Question 2

At  = .1, test to see if the population variances from which the following samples were drawn are equal. Sample 1 Sample 2 n1 = 21 n2 = 19 s1 = 18 s2 = 16


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Jadwiga9

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Reply #1 on: Jun 24, 2018
Answer to Question 1

b

Answer to Question 2

Since F = 1.27 < 2.19 (p-value is greater than .1), do not reject H0.


sam.t96

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Reply 2 on: Jun 24, 2018
Great answer, keep it coming :)

bitingbit

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

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