Students estimated the length of one minute without reference to a watch or​ clock, and the times​ (seconds) are listed below. Assume that a simple random sample has been selected. Use a 0.05 significance level to test the claim that these times are from a population with a mean equal to 60 seconds. Does it appear that students are reasonably good at estimating one​ minute?   71 79 38 66 43 21 60 64   65 46 64 71 98 91 66           Question content area bottom Part 1 Perform the test assuming that the requirements are met. Identify the null and alternative hypotheses.   H0​: ▼   sigmaσ pp muμ ▼   less than< not equals≠ equals= greater than> enter your response here H1​: ▼   pp muμ sigmaσ ▼   less than< greater than> not equals≠ equals= enter your response here ​(Type integers or decimals. Do not​ round.) Part 2 Identify the test statistic.   enter your response here ​(Round to two decimal places as​ needed.) Part 3 Identify the​ P-value.   enter your response here ​(Round to three decimal places as​ needed.) Part 4 State the conclusion about the null​ hypothesis, as well as the final conclusion that addresses the original claim. Decide whether it appears that students are reasonably good at estimating one minute.   ▼   Accept Fail to reject Reject the null hypothesis. There ▼   is not is sufficient evidence at the 0.05 significance level to ▼   warrant rejection of support the claim that the times are from a population with a mean equal to 60 ​seconds; on this basis it ▼   does not appear appears that as a group the students are reasonably good at estimating one minute.

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Author:Amos Gilat
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Students estimated the length of one minute without reference to a watch or​ clock, and the times​ (seconds) are listed below. Assume that a simple random sample has been selected. Use a
0.05
significance level to test the claim that these times are from a population with a mean equal to
60
seconds. Does it appear that students are reasonably good at estimating one​ minute?
 
71
79
38
66
43
21
60
64
 
65
46
64
71
98
91
66
 
 
 
 
 

Question content area bottom

Part 1
Perform the test assuming that the requirements are met. Identify the null and alternative hypotheses.
 
H0​:
 
sigmaσ
pp
muμ
 
less than<
not equals≠
equals=
greater than>
enter your response here
H1​:
 
pp
muμ
sigmaσ
 
less than<
greater than>
not equals≠
equals=
enter your response here
​(Type integers or decimals. Do not​ round.)
Part 2
Identify the test statistic.
 
enter your response here
​(Round to two decimal places as​ needed.)
Part 3
Identify the​ P-value.
 
enter your response here
​(Round to three decimal places as​ needed.)
Part 4
State the conclusion about the null​ hypothesis, as well as the final conclusion that addresses the original claim. Decide whether it appears that students are reasonably good at estimating one minute.
 
 
Accept
Fail to reject
Reject
the null hypothesis. There
 
is not
is
sufficient evidence at the
0.05
significance level to
 
warrant rejection of
support
the claim that the times are from a population with a mean equal to
60
​seconds; on this basis it
 
does not appear
appears
that as a group the students are reasonably good at estimating one minute.
 
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