state the hypotheses and identify the claim, find the critical
value(s), compute the test value, make...
state the hypotheses and identify the claim, find the critical
value(s), compute the test value, make the decision, summarize the
results (make the appropriate statement of the results of the claim
included rejection or non-rejection of the null hypothesis).
A random sample of high temperatures in June and July is listed.
At = 0.05, can it be concluded that there is a difference in
variances in high temperature between the two months?
June | 110 111 122 115 106 100...
A Psychology professor, teaching at a large university, wants to
know whether there is a difference...
A Psychology professor, teaching at a large university, wants to
know whether there is a difference between the IQs of male and
female students in attendance. She randomly and independently
selects 20 female and 20 male students and has them take the IQ
test. The resulting IQ data are as follows:
Female: 130, 117, 124, 120, 125, 109, 100, 118, 127, 130, 126, 118,
131, 104, 130, 116, 122, 115, 129, 117
Male: 106, 114, 134, 120, 107, 131, 133,...
For the Spurs
basketball team, scores for the last 50 games since 01/02/2018 game
are listed...
For the Spurs
basketball team, scores for the last 50 games since 01/02/2018 game
are listed below. By using only scores with two digits, construct a
stem and leaf plot for the data:
100
106
103
110
107
81
112
99
100
83
86
114
108
78
113
106
91
111
129
105
99
109
119
110
116
112
100
107
94
93
108
98
117
89
98
124
103
106
103
100
110
112
116
98
98
92
101...
For each problem, follow these steps.
State the hypotheses and identify the claim.
Find the critical...
For each problem, follow these steps.
State the hypotheses and identify the claim.
Find the critical values(s).
Compute the test value.
Make the decision.
Summarize the results.
According to records from the Storm Prediction Center, the
following numbers of tornadoes occurred in the first quarter of
each of the years 2003-2006. Is there sufficient evidence to
conclude that a relationship exists between the month and year in
which the tornadoes occurred? Use α = 0.05.
2003
2004
2005
2006
January...