Question
A group of students estimated the length of one minute without reference to a watch orclock, and the times(seconds) are listed below. Use a 0.01
A group of students estimated the length of one minute without reference to a watch orclock, and the times(seconds) are listed below. Use a 0.01
0.01 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 oneminute?
80
80
88
88
46
46
73
73
53
53
32
32
72
72
72
72
72
72
59
59
70
70
80
80
100
100
95
95
74
74
What are the null and alternativehypotheses?
A.
Upper H 0
H0: mu
equals
=60
60 seconds
Upper H 1
H1: mu
greater than
>60
60 seconds
B.
Upper H 0
H0: mu
not equals
60
60 seconds
Upper H 1
H1: mu
equals
=60
60 seconds
C.
Upper H 0
H0: mu
equals
=60
60 seconds
Upper H 1
H1: mu
not equals
60
60 seconds
D.
Upper H 0
H0: mu
equals
=60
60 seconds
Upper H 1
H1: mu
less than
<60
60 seconds
Determine the test statistic.
nothing
(Round to two decimal places asneeded.)
Determine theP-value.
nothing
(Round to three decimal places asneeded.)
State the final conclusion that addresses the original claim.
Fail to reject
Reject
Upper H 0
H0. There is
sufficient
not sufficient
evidence to conclude that the original claim that the mean of the population of estimates is 60
60 seconds
is not
is
correct. It
appears
does not appear
that, as agroup, the students are reasonably good at estimating one minute.
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