Please show me how to do #19 and if you have time 21 would be great. Thank you!

Question

Please show me how to do #19 and if you have time 21 would be great. Thank you! Use the following scenario for questions 18, 19, 20 and 21. Use StatCrunch Dr. Wilson is interested to see if there is a difference between men and women in what is considered as humorous. In her study, 8 women and 8 men from the local university indicated the percentage of 30 cartoon that they perceived to be either funny, or 'unfunny.' Their data is as follows, Use-,05. Women Men 58 0 94 SIAT ceUNCH 18-2 18. What type of test should she use? Independent samples t-test b. One sample i-test c. Related samples 1-test d. z-test 19. What is the standard error of the difference? a. 0.603 b. 2.411 c. 0.776 d. 1.982 20. What is her toèe (round to two decimals)? a. ±1.96 b. -0.75 C+0.92 10 21. What does Renee conclude? a. She accepts the alternative hypothesis. b. She fails to reject the null hypothesis. c. She fails to reject the alternative hypothesis. d. She proves the null hypothesis is true.

Explanation / Answer

21.

t-Test: Two-Sample Assuming Equal Variances

P-value 0.92 > 0.05 We do not reject means fail to reject null hypothesis

21.

t-Test: Two-Sample Assuming Equal Variances

women men Mean 81.125 81.875 Variance 215.5536 247.8393 Observations 8 8 Pooled Variance 231.6964 Hypothesized Mean Difference 0 df 14 t Stat -0.09854 P(T<=t) one-tail 0.461449 t Critical one-tail 1.76131 P(T<=t) two-tail 0.922897 t Critical two-tail 2.144787

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