The following info pertains to the Halloween Hoiliday spending . you are tasked with conducting a confidence interval for the variability of the amount spent.

sample mean of the amount spent: $43.50

sample standard deviation of the amount spend: $16.4

sample size: 53

1 which interval represents a 90% confidence interval for the population variance of the amount spent?

a,. 3.0691 to 11.5726

b. 14.3939 to 20.0577

c. 190.7752 to 358.9999

d. 195.8264 to 432. 2378

e. 207. 1835 to 402. 3104

f . 221.4118 to 371.0876

G. none of the above

use the above sample to conduct a hypothesis test to see if the population standard deviation of amount spent on halloween has increased from last year which was 13.8 use a level of significance of .05

2 what is the probability (p-value) for this specific hypothesis test?

a. . between .01 and .025

b. .between .02 and .05

c. between .025 and .5

d, between .05 and .10

e. between .10 to .20

f. greater than .20

g. none of the above

3 using the critical value approach ay what value will you start rejecting the null hypothesis test?

a. 32.357 and 71.42

b. 36.398 and 77.38

c. 67.505

d. 73.311

e 34.764

f. 38. 858

g none of the above