A sample of body fat percentages of 28 male bodybuilders was taken. The percentages (3.4%, 3.5%, 3.8%, 3.8%, 3.8%, 3.9%, 3.9%, 3.9%, 3.9%, 3.9%, 4.1%, 4.5%, 4.8%, 4.9%, 5.1%, 5.1%. 5.3%, 5.5%, 5.6%, 5.9%, 6%, 6.2%, 6.2%, 6.5%, 6.8%, 6.9%, 7.2%, 7.6%}. If you don't have a computer, ask me for the statistics; these are on uLcarn. Construct a 95% confidence interval for the population mean of bodybuilders. St.- Dev. C.J.-xt(critical value): Critical ·Value =, a. Iam 95% confident the population mean lies between 4.52% and 5.95% b. Iam 95% confident the population mean lies between 4.59% and 5.56% c. Iam 95% confident the population mean lies between 4.67% and 5.47% d. I am 95% confident the population mean lies between 3.25% and 6.63% e. I am 95% confident the population mean lies between 4.81% and 5.27%
A sample of body fat percentages of 28 male bodybuilders was taken. The percentages (3.4%, 3.5%, 3.8%, 3.8%, 3.8%, 3.9%, 3.9%, 3.9%, 3.9%, 3.9%, 4.1%, 4.5%, 4.8%, 4.9%, 5.1%, 5.1%. 5.3%, 5.5%, 5.6%, 5.9%, 6%, 6.2%, 6.2%, 6.5%, 6.8%, 6.9%, 7.2%, 7.6%}. If you don't have a computer, ask me for the statistics; these are on uLcarn. Construct a 95% confidence interval for the population mean of bodybuilders. St.- Dev. C.J.-xt(critical value): Critical ·Value =, a. Iam 95% confident the population mean lies between 4.52% and 5.95% b. Iam 95% confident the population mean lies between 4.59% and 5.56% c. Iam 95% confident the population mean lies between 4.67% and 5.47% d. I am 95% confident the population mean lies between 3.25% and 6.63% e. I am 95% confident the population mean lies between 4.81% and 5.27%
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please answer number 1 along with all of the blanks included in number 1
Transcribed Image Text:1. A sample of body fat percentages of 28 male bodybuilders was taken. The percentages were:
(3.4%, 3.5%, 3.8%, 3.8%, 3.8%, 3.9%, 3.9%, 3.9%, 3.9%, 3.9%, 4.1%, 4.5%, 4.8%, 4.9%, 5.1%, 5.1%. 5.3%,
5.5%, 5.6%, 5.9%, 6%, 6.2%, 6.2%, 6.5%, 6.8%, 6.9%, 7.2%, 7.6%}. If you don't have a computer, ask me for
the statistics; these are on uLcarn.
Construct a 95% confidence interval for the population mean of bodybuilders.
St. Dev.
C.-t(critical value)
Critical Value =
a. I am 95% confident the population mean lies between 4.52% and 5.95%
b. I am 95% confident the population mean lies between 4.59% and 5.56%
c. I am 95% confident the population mean lies between 4.67% and 5.47%
d. I am 95% confident the population mean lies between 3.25% and 6.63%
e. I am 95% confident the population mean lies between 4.81% and 5.27%
A standard 6-sided die has an expected value of 3.5 if the die is fair. This means that, over time, your rolls will average to
3.5. So, for a fair die, the population mean is 3.5 (µ=3.5). 1 hand you a regular die and ask you to determine if the die
is fair. You perform a test and roll the die 50 times. Your results are under the "exam data" tab in uLearn.
Perform a Hypothesis Test with a.01 by utilizing a 99% confidence interval. Remember that the rejection regions are
OUTSIDE of the confidence interval.
Use this data for questions 2-6.
Critical Value =
Transcribed Image Text:UTF-8"Test3DataSetwCorr.xlsx
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Q Q
11 . B I U S A.
Calibri
f* 3.4
C D
E G H
K L
T U
Age 99
A
B
E
J
M
N
P
R S
V
W
X
Y
AA
АВ
1
3.4
2
16.29
40
35
Glucose| 43
2
Body
3.5
50
101 15.75
Class 1
50
Class 2
45
Correlation
21
65
Utz 16.08
Bag: 15.70
3
Fat
3.8
Rolls
65
45
Data
25
79
4
Percents
3.8
of a
4
70
45
42
75
3.8
Die
4
15.57
70
45
57
87
6
3.9
6
15.73
75
45
59
81
7
3.9
2
16.40
75
45
3.9
6
16.33
75
50
3.9
4
16.15
75
55
10
3.9
4
16.48
80
55
11
4.1
3
15.67
80
60
12
4.5
6
15,57
80
60
13
4.8
6
15.85
80
60
14
4.9
2
15.90
85
65
15
5.1
6
15.55
85
70
16
5.1
6
15.97
85
70
17
5.3
15.62
85
70
18
5.5
2
15.47
90
70
19
5.6
2
15.33
90
75
20
5.9
15.37
90
75
21
6
16.28
90
80
22
6.2
6
15.83
95
80
23
6.2
15.72
95
80
24
6.5
16.33
95
80
25
6.8
5
15.97
95
85
26
6.9
6
16.40
95
85
27
7.2
1
16.25
95
85
28
7.6
6
15.77
105
85
29
6
15.85
90
Sheet1
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