## Gbs 221 If You Are Sampling From A Normal Distribution

12) If you are sampling from a normal distribution to conduct a hypothesis test, then your sampling distribution will only be normally distributed if your sample size is 30 or moreTrueFalse16) All analyses of variance procedures require that the observations depend on one anotherTrueFalse27) YouTube would like to test the hypothesis that the standard deviation for the length of an online video watched by a user is more than 2 minutes. A random sample of 21 people who watched online videos was selected. The sample standard deviation for the length of the video was found to be 2. 5 minutes. Using ? = 0. 10, the critical value for this hypothesis test would be ________. A) 12. 443B) 28. 412C) 29. 615D) 30. 813

## GBS 221 If you are sampling from a normal distribution

Question
12) If you are sampling from a normal distribution to conduct a hypothesis test, then your sampling distribution will only be normally distributed if your sample size is 30 or more
True
False

16) All analyses of variance procedures require that the observations depend on one another

True

False

27) YouTube would like to test the hypothesis that the standard deviation for the length of an online video watched by a user is more than 2 minutes. A random sample of 21 people who watched online videos was selected. The sample standard deviation for the length of the video was found to be 2.5 minutes. Using ? = 0.10, the critical value for this hypothesis test would be ________.

A) 12.443
B) 28.412
C) 29.615
D) 30.813