General direction:

a) State the null and alternative hypothesis for each problem.

b) Set the level of significance at 5%.

c) Calculate the test statistics. Write the name of the statistical test used in the computation.

Support your answer from the computation in MS Excel.

d) Interpret and analyze the results of the data.

e) Make a conclusion.

Question 3

A social psychologist is interested in determining whether there is a relationship between the education level of parents and the number of children they have. Accordingly, a survey is taken and the following results are obtained.