The average wait time to get seated at a popular restaurant in the city on a Friday night is 13 minutes. Is the mean wait time less for men who wear a tie? Wait times for 12 randomly selected men who were wearing a tie are shown below. Assume that the distribution of the population is normal. 10, 14, 12, 10, 11, 11, 13, 14, 14, 11, 14, 10 What can be concluded at the the a = 0.05 level of significance level of significance? %3D

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Chapter8: Sequences, Series, And Probability
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3 5
R
The average wait time to get seated at a popular restaurant in the city on a Friday night is 13 minutes. Is the
mean wait time less for men who wear a tie? Wait times for 12 randomly selected men who were wearing a tie
are shown below. Assume that the distribution of the population is normal.
10, 14, 12, 10, 11, 11, 13, 14, 14, 11, 14, 10
What can be concluded at the the a = 0.05 level of significance level of significance?
a. For this study, we should use
Select an answer
b. The null and alternative hypotheses would be:
Ho: ? 8
Select an answer
H1: ? G
Select an answer
c. The test statistic ? O
(please show your answer to 3 decimal places.)
%D
d. The p-value
(Please show your answer to 4 decimal places.)
e. The p-value is
f. Based on this, we should Select an answer the null hypothesis.
g. Thus, the final conclusion is that
...
The data suggest that the population mean wait time for men who wear a tie is not significantly
less than 13 at a = 0.05, so there is statistically insignificant evidence to conclude that the
population mean wait time for men who wear a tie is less than 13.
The data suggest the population mean is not significantly less than 13 at a = 0.05, so there is
statistically insignificant evidence to conclude that the population mean wait time for men who
wear a tie is equal to 13.
O The data suggest the populaton mean is significantly less than 13 at a = 0.05, so there is
statistically significant evidence to conclude that the population mean wait time for men who
wear a tie is less than 13.
Hint:
Helpful Videos: Calculations [+] Setup [+] Interpretations 2 [+]
MacBook Pro
米》
24
3.
4.
9
Transcribed Image Text:08 7 3 5 R The average wait time to get seated at a popular restaurant in the city on a Friday night is 13 minutes. Is the mean wait time less for men who wear a tie? Wait times for 12 randomly selected men who were wearing a tie are shown below. Assume that the distribution of the population is normal. 10, 14, 12, 10, 11, 11, 13, 14, 14, 11, 14, 10 What can be concluded at the the a = 0.05 level of significance level of significance? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Ho: ? 8 Select an answer H1: ? G Select an answer c. The test statistic ? O (please show your answer to 3 decimal places.) %D d. The p-value (Please show your answer to 4 decimal places.) e. The p-value is f. Based on this, we should Select an answer the null hypothesis. g. Thus, the final conclusion is that ... The data suggest that the population mean wait time for men who wear a tie is not significantly less than 13 at a = 0.05, so there is statistically insignificant evidence to conclude that the population mean wait time for men who wear a tie is less than 13. The data suggest the population mean is not significantly less than 13 at a = 0.05, so there is statistically insignificant evidence to conclude that the population mean wait time for men who wear a tie is equal to 13. O The data suggest the populaton mean is significantly less than 13 at a = 0.05, so there is statistically significant evidence to conclude that the population mean wait time for men who wear a tie is less than 13. Hint: Helpful Videos: Calculations [+] Setup [+] Interpretations 2 [+] MacBook Pro 米》 24 3. 4. 9
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