QUESTION 1

When the sample size increases, you are more likely to get a smaller p-value for the Shapiro-Wilk Normality test, which tells you the distribution is not normal.

TRUE

FALSE

1 points

QUESTION 2

If your data is positively skewed, which of the following can not help create a new distribution that is closer to a normal

square root of x

ln open parentheses X plus 100 close parentheses

1 over X

fraction numerator X plus 100 over denominator 5 end fraction

1 points

QUESTION 3

We want to find out if the average time spent on campus is different from students’ majors. Which of the following is more suitable? (Assume the data is normally distributed without outliers)

Independent-Samples t Test

Mann-Whitney U Test

One-way ANOVA

Paired-Sample t Test

1 points

QUESTION 4

The reason that we check the shape of the distribution from the population pyramid before running the Mann-Whitney U test is to confirm the finding from the Mann-Whitney U test.