In a standard normal distribution, the a. mean and the standard ...

[sam.t96]

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

[Jadwiga9]

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]

YES! Correct, THANKS for helping me on my review

[smrtceo]

Thanks for the timely response, appreciate it