Using the data below, test the null hypothesis that the variance
in the Close Ratio for...
70.2K
Verified Solution
Link Copied!
Question
Statistics
Using the data below, test the null hypothesis that the variancein the Close Ratio for the sample of employees is at most 1.5% at5% significance level.
Years Employed
Gender
Certified
Prior Background
Close Ratio
Sales
7
M
Y
Y
44.40%
$Â Â Â 201,500
8
M
Y
Y
54.20%
$Â Â Â 129,000
4
M
Y
Y
60.70%
$Â Â Â 101,100
8
M
N
N
42.60%
$Â Â Â Â Â Â 99,700
6
M
Y
N
68.30%
$Â Â Â Â Â Â 98,100
6
M
N
N
37.90%
$Â Â Â Â Â Â 93,900
2
M
N
N
29.50%
$Â Â Â Â Â Â 90,800
2
M
N
N
42.40%
$Â Â Â Â Â Â 90,600
7
M
Y
Y
37.70%
$Â Â Â Â Â Â 89,200
2
M
N
N
35.00%
$Â Â Â Â Â Â 86,600
2
M
N
N
45.80%
$Â Â Â Â Â Â 83,900
3
M
N
N
50.70%
$Â Â Â Â Â Â 80,000
4
M
Y
Y
29.80%
$Â Â Â Â Â Â 77,300
7
M
N
N
38.70%
$Â Â Â Â Â Â 67,100
5
M
Y
Y
62.20%
$Â Â Â Â Â Â 58,900
3
M
Y
Y
63.20%
$Â Â Â Â Â Â 56,600
6
M
N
N
18.60%
$Â Â Â Â Â Â 54,700
3
F
Y
Y
32.00%
$Â Â Â 126,300
4
F
Y
Y
50.00%
$Â Â Â Â Â Â 95,800
9
F
Y
Y
51.70%
$Â Â Â Â Â Â 93,100
2
F
N
Y
29.20%
$Â Â Â Â Â Â 91,600
2
F
N
N
58.20%
$Â Â Â Â Â Â 89,000
4
F
Y
Y
44.00%
$Â Â Â Â Â Â 82,300
8
F
Y
Y
67.70%
$Â Â Â Â Â Â 81,000
6
F
N
Y
61.20%
$Â Â Â Â Â Â 78,200
7
F
N
Y
54.40%
$Â Â Â Â Â Â 71,300
8
F
N
Y
38.60%
$Â Â Â Â Â Â 67,500
2
F
Y
Y
40.40%
$Â Â Â Â Â Â 64,800
4
F
N
Y
41.50%
$Â Â Â Â Â Â 57,200
2
F
N
Y
40.70%
$Â Â Â Â Â Â 54,100
2
F
N
Y
36.30%
$Â Â Â Â Â Â 51,700
Answer & Explanation
Solved by verified expert
3.7 Ratings (559 Votes)
Variance15 implies SD1224744871Here we are to testHere the sample size n31Let the sample mean be and the parent population from which the sample is drawn followsNormal distributionThe test statistic is given
See Answer
Get Answers to Unlimited Questions
Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!
Membership Benefits:
Unlimited Question Access with detailed Answers
Zin AI - 3 Million Words
10 Dall-E 3 Images
20 Plot Generations
Conversation with Dialogue Memory
No Ads, Ever!
Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!
