Question
In: Statistics and Probability
What impacted the reps' average weekly performance to be greater than the population mean?
What impacted the reps' average weekly performance to be greater than the population mean?
Solutions
Expert Solution
If we use t-test to test the hypothesis. Your question is what impacts the weekly performance to be greater than the population mean.
So, the t-value formula is 
Suppose we take the level of significance to be 5% then the t-(tabulated) value for different degree of freedom is stated below.(see the table below)
Now for the IMPACT,
(only if the t-value rule applies) If the difference is greater than the denominator then this will impact the weekly performance to be greater than the population mean as difference states the strength and denominator states the variation of the population. From this we can find the t-statistic value and if t-statistic > t-tabulated value then we reject the null hypothesis that the weekly performance is equal to the population mean which implies that we accept the alternative hypothesis that is the weekly performance is greater than the population mean .
orchestra answered 2 years agoRelated Solutions
What impacted the reps' average weekly performance to be greater than the population mean?
What impacted the reps' average weekly performance to be greater
than the population mean?
what does it mean if your sample mean is greater/or less than your population mean? obviously...
what does it mean if your sample mean is greater/or
less than your population mean? obviously I have to reject the null
for both circumstances but is there anything I can conclude about
the population?
1) You wish to test the claim that the first population mean is greater than the...
1)
You wish to test the claim that the first population mean is
greater than the second population mean at a significance level of
α=0.002α=0.002.
Ho:μ1=μ2Ho:μ1=μ2
Ha:μ1>μ2Ha:μ1>μ2
You obtain the following two samples of data.
Sample #1
Sample #2
37.0
29.1
40.7
52.0
75.0
56.4
72.1
60.8
67.1
50.4
32.5
65.3
32.8
70.4
21.6
25.3
57.3
22.1
4.3
39.4
42.9
50.3
What is the test statistic for this sample?
test statistic = Round to 4 decimal places.
What is the...
You wish to test the claim that the first population mean is greater than the second...
You wish to test the claim that the first population mean is
greater than the second population mean at a significance level of
α=0.005
Ho:μ1=μ2
Ha:μ1>μ2
You obtain the following two samples of data.
Sample #1
Sample #2
57.7
63.3
64.3
70.1
53.6
69.6
72.2
67.3
70.1
31.0
55.7
63.8
71.4
71.4
83.6
87.9
102.3
34.9
84.5
75.1
78.5
58.8
What is the test statistic for this sample?
test statistic = _____________ Round to 3 decimal
places.
What is the...
You wish to test the claim that the first population mean is greater than the second...
You wish to test the claim that the first population mean is
greater than the second population mean at a significance level of
α=0.10
.
Ho:μ1=μ2
Ha:μ1>μ2
You obtain the following two samples of data.
Sample #1
Sample #2
76.2
68.1
90.1
74.7
77.1
72.9
70.3
84.0
75.9
80.1
65.7
80.1
76.2
82.0
81.7
74.5
75.1
73.3
45.5
47.8
46.1
55.5
53.7
40.0
67.4
54.6
What is the test statistic for this sample?
test statistic = Round to 3...
You wish to test the claim that the first population mean is greater than the second...
You wish to test the claim that the first population mean is
greater than the second population mean at a significance level of
α=0.002α=0.002.
Ho:μ1=μ2
Ha:μ1>μ2
You obtain the following two samples of data.
Sample #1
Sample #2
61.3
55.4
65.4
65.4
65.7
51.0
61.4
61.8
59.4
56.6
60.7
52.0
62.4
24.3
37.2
1.5
42.2
53.5
35.9
65.9
48.3
17.8
49.8
42.6
What is the test statistic for this sample?
test statistic = Round to 4 decimal places.
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a) The average cost must be falling.
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what does it mean to have percent difference greater than the percent uncertainty?
what does it mean to have percent difference greater than the
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