Question 1 - USE EXCEL OUTPUT  a. Whatare the null and alternative hypotheses? b. At a 90% confidence level, what is the value of alpha (ª), c. What is the critical value (CV comes from the Excel outputbelow) d. What is the value of the test statistic (from the Excel outputbelow) e. What is the p-value associated with the sample statistic?(from the Excel outputbelow) f. Compare PV to alpha (include values in comparison) and TS to CV (include values from output in your comparison) g. What is your Decision? (reject/fail to reject Ho)h.What is your conclusion (in everyday terms)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 14PPS
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Question 1 - USE EXCEL OUTPUT 

a. Whatare the null and alternative hypotheses?

b. At a 90% confidence level, what is the value of alpha (ª),

c. What is the critical value (CV comes from the Excel outputbelow)

d. What is the value of the test statistic (from the Excel outputbelow)

e. What is the p-value associated with the sample statistic?(from the Excel outputbelow)

f. Compare PV to alpha (include values in comparison) and TS to CV (include values from output in your comparison)

g. What is your Decision? (reject/fail to reject Ho)h.What is your conclusion (in everyday terms)

Use the Excel Output below to answer the questions above for Part I
Excel Output
t-Test: Two-Sample Assuming Unequal Variances
With
No Pool
Рol
Mean
204.1316 231.4851
Variance
1305.727 2557.258
Observations
38
67
Hypothesized Mean Difference
df
97
t Stat
P(T<=t) one-tail
t Critical one-tail
P(T<=t) two-tail
t Critical two-tail
-3.21186
0.000895
1.29034
0.00179
1.660715
Transcribed Image Text:Use the Excel Output below to answer the questions above for Part I Excel Output t-Test: Two-Sample Assuming Unequal Variances With No Pool Рol Mean 204.1316 231.4851 Variance 1305.727 2557.258 Observations 38 67 Hypothesized Mean Difference df 97 t Stat P(T<=t) one-tail t Critical one-tail P(T<=t) two-tail t Critical two-tail -3.21186 0.000895 1.29034 0.00179 1.660715
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