Please answer: D- F For letter E: The p-value is > or ≤ For Letter F: reject or fail to reject or accept the null hypothesis
Please answer: D- F For letter E: The p-value is > or ≤ For Letter F: reject or fail to reject or accept the null hypothesis
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Please answer: D- F
For letter E: The p-value is > or ≤
For Letter F: reject or fail to reject or accept the null hypothesis
![On average, Americans have lived in 2 places by the time they are 18 years old. Is this average less for
college students? The 67 randomly selected college students who answered the survey question had lived in
an average of 1.99 places by the time they were 18 years old. The standard deviation for the survey group
was 0.3. What can be concluded at the a = 0.10 level of significance?
a. For this study, we should use t-test for a population mean
b. The null and alternative hypotheses would be:
Họ: U
2
H1: u
2
c. The test statistic
-0.273
(please show your answer to 3 decimal places.)
d. The p-value =
e. The p-value is ? va
f. Based on this, we should Select an answer
g. Thus, the final conclusion is that ...
(Please show your answer to 4 decimal places.)
) the null hypothesis.
O The data suggest that the populaton mean is significantly less than 2 at a = 0.10, so there is
statistically significant evidence to conclude that the population mean number of places that
college students lived in by the time they were 18 years old is less than 2.
O The data suggest that the sample mean is not significantly less than 2 at a = 0.10, so there is
statistically insignificant evidence to conclude that the sample mean number of places that
college students lived in by the time they were 18 years old is less than 1.99.
O The data suggest that the population mean is not significantly less than 2 at a = 0.10, so there
is statistically insignificant evidence to conclude that the population mean number of places
that college students lived in by the time they were 18 years old is less than 2.
h. Interpret the p-value in the context of the study.
Olf the population mean number of places that college students lived in by the time they were
18 years old is 2 and if you survey another 67 college students, then there would be a](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F9b0187bb-d563-4320-8ce6-d4cb811ae3f6%2Fb1c14399-83d7-4a17-a506-7c1598220d1d%2Fnh67qnl_processed.png&w=3840&q=75)
Transcribed Image Text:On average, Americans have lived in 2 places by the time they are 18 years old. Is this average less for
college students? The 67 randomly selected college students who answered the survey question had lived in
an average of 1.99 places by the time they were 18 years old. The standard deviation for the survey group
was 0.3. What can be concluded at the a = 0.10 level of significance?
a. For this study, we should use t-test for a population mean
b. The null and alternative hypotheses would be:
Họ: U
2
H1: u
2
c. The test statistic
-0.273
(please show your answer to 3 decimal places.)
d. The p-value =
e. The p-value is ? va
f. Based on this, we should Select an answer
g. Thus, the final conclusion is that ...
(Please show your answer to 4 decimal places.)
) the null hypothesis.
O The data suggest that the populaton mean is significantly less than 2 at a = 0.10, so there is
statistically significant evidence to conclude that the population mean number of places that
college students lived in by the time they were 18 years old is less than 2.
O The data suggest that the sample mean is not significantly less than 2 at a = 0.10, so there is
statistically insignificant evidence to conclude that the sample mean number of places that
college students lived in by the time they were 18 years old is less than 1.99.
O The data suggest that the population mean is not significantly less than 2 at a = 0.10, so there
is statistically insignificant evidence to conclude that the population mean number of places
that college students lived in by the time they were 18 years old is less than 2.
h. Interpret the p-value in the context of the study.
Olf the population mean number of places that college students lived in by the time they were
18 years old is 2 and if you survey another 67 college students, then there would be a
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