Understanding Basic Statistics 6th Edition by Charles Henry Brase,Corrinne Pellillo Brase

تمرين 39

Please provide the following information for Problems 7-12:
(a) What is the level of significance State the null and alternate hypotheses.
(b) Check Requirements What sampling distribution will you use What assumptions are you making Compute the sample test statistic.
(c) Find (or estimate) the P -value. Sketch the sampling distribution and show the area corresponding to the P -value.
(d) Based on your answers in parts (a)-(c), will you reject or fail to reject the null hypothesis Are the data statistically significant at level
(e) Interpret your conclusion in the context of the application.
Note: Answers may vary due to rounding.
Federal Tax Money: Art Funding Would you favor spending more federal tax money on the arts This question was asked by a research group on behalf of The National Institute ( Reference: Painting by Numbers , J. Wypijewski, University of California Press). Of a random sample of n 1 = 220 women, r 1 = 59 responded yes. Another random sample of n 2 = 175 men showed that r 2 = 56 responded yes. Does this information indicate a difference (either way) between the population proportion of men who favor spending more federal tax dollars on the arts Use = 0.05.