1.(20 pts.)Students are asked to rate their preferences for one of four video games.The following table lists the observed preferences in a sample of 120 students.State whether to reject or retain the null hypothesis using the appropriatex²test.

Video Games

Frequency McStats Tic-Tac Stats Silly Stats Super Stats

Observed 30 30 30 30

a.(10 pts.)Expected frequencies:25%, 25%, 25%, 25% respectively.

i.(1 pt.) State the null and alternative hypotheses

ii.(4 pts.) Compute the appropriatec²test and paste the SPSS output here.

iii.(5 pts.) Write the Results section for your findings.Include the descriptive statistics, type of statistical test and results of the correct test effect size if appropriate.

b.(10 pts.)Expected frequencies:70%, 10%, 10%, 10% respectively.

i.(1 pt.) State the null and alternative hypotheses

ii.(4 pts.) Compute the appropriatec²test and paste the SPSS output here.

iii.(5 pts.) Write the Results section for your findings.Include the descriptive statistics, type of statistical test and results of the correct test effect size if appropriate.