You perform a Kolmogorov-Smirnov test on a data set and reject the null hypothesis. Which p-value and decision would match this?

p=0.032. You conclude that the data do not follow a normal distribution.

p=0.032. You conclude that the data follow a normal distribution.

p=0.145. You conclude that the data do not follow a normal distribution.

p=0.145. You conclude that the data follow a normal distribution.

You perform a Levene's test on a data set and fail to reject the null hypothesis. Which p-value and decision would match this?

p=0.012. You conclude that the data do not have equal variances.

p=0.432. You conclude that the data have equal variances.

p=0.032. You conclude that the data do not follow a normal distribution.

p=0.142. You conclude that the data follow a normal distribution.

You have a sample of 50 body mass index values from a group of individuals and need to determine if the data can be treated as normally distributed prior to using it in further testing. Which of the following is needed?

Q-Q plot

Levene's test

T test

No test is necessary