Retaining the null hypothesis when comparing the mean of two groups assumes whic

Question

Retaining the null hypothesis when comparing the mean of two groups assumes which of the following? Select one: a. The difference between means is significant. b. There is no difference between population standard deviation. c. The difference between means is too large to be a sampling error. d There is no difference between population means. Choose the correct statement: Select one: a if the null hypothesis is true there is no difference between population means. b. if the null hypothesis is true there is a difference between population means. C. if the nm hypothesis is false the samples are considered the same. A two tailed significance test suggests that Select one: a the resulting outcome has a particular direction (that is a clinical treatment produces a decrease in symptoms).

Explanation / Answer

Question 1:

Correct Answer: Option (D)

H0: There is no differerence between the two poulation means

Question 2:

Correct Answer: option (a)

If the null hypothesis is true, there is no difference between the two populations means

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