1.)For the following distribution what is the mean, median, mode, range and standard deviation:

19, 0, 16, 20, 13, 14, 15, 22

2.)Compute the correlation between the two following datasets and then describe the relationship:

X: 10, 19, 12, 14, 1

Y: 10, 17, 4, 12, 13

3.)Compute the following t-test:

Pre-test: 75, 71, 84, 82, 65

Post-test: 70, 75, 100, 90, 92

a.What is the mean for both groups?

b.What is the sample size for both groups?

c.What is the variance and standard deviation for both groups?

d.What are the t-value and p-value?

e.Would you accept or reject the null hypothesis? Why?