Question

14.  A report states the average temperature for a region in the summer months is 66 degrees F. A resident claims that the average temperature is higher. A sample of 16 cities in the region had an average temperature of 68 degrees F with a sample standard deviation of 4.9 degrees F. Test the resident's claim at alpha = 0.05.

For question #14, make your choice as to what type of test this is (right, left, or two-tailed).

For question #15, fill in the blank with the critical value representing an alpha of 0.05, chosen from the t-table

For question #16, fill in the blank with your calculated t-value.

For question #17, answer True or False as to the whether the null hypothesis will be rejected based on above information.

Answer 1

classmate asoen Given that Sample Standard deviatim sa 4.9 Sample size 16 Sample moun n = 68 The hypothesis is Hoi 66 against under Ho the test statistic is A > 66 (Right tailed test) t = ñ- Ľ tin-1) Sl -68-66 1.6322 4.9/516 1.6 327 degreof freedom is D-Ls 16-1= 15 then t critical at a = 0.05 for 15 d.f. 1.753 it test statistic is less than t critical at a=o05 for 15 dt. So our null hypothesis is accept at a=o.o5. 12) The null hypothesis is desect based on the aboked in formater False Ans CS Scanned with CamScanner