Question
In: Statistics and Probability
5. Construct a 90% confidence interval for the mean length of all adult harbor seals if...
5. Construct a 90% confidence interval for the mean length of all adult harbor seals if a random sample of 12 of these seals had mean length of 32 inches with standard deviation of 3 inches. Assume that the length of the seals is normally distributed.
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Solutions
orchestra answered 1 year agoRelated Solutions
Construct a 90% confidence interval for the mean length of all adult harbor seals if a...
Construct a 90% confidence interval for the mean length of all
adult harbor seals if a random sample of 12 of these seals had mean
length of 32 inches with standard deviation of 3 inches. Assume
that the length of the seals is normally distributed.
A marine biologist claims that the mean length of male harbor seals is greater than the...
A marine biologist claims that the mean length of male harbor
seals is greater than the mean length of female harbor seals. In a
random sample of 89 male harbor seals the mean length is 132
centimeters and the standard deviation is 23 centimeters. In a
random sample of 56 female harbor seals the mean length is 124
centimeters with a standard deviation of 18 centimeters. At ? =
0.05 can you support the marine biologist’s claim?
Create a 90%...
Construct a 90% confidence interval of the mean birth weight of 195 boys with sample mean...
Construct a 90% confidence interval of the mean birth weight of
195 boys with sample mean =32.7 hg , and standard deviation =6.6
hg.
Group of answer choices
a) 1.645<mean<1.777
b) 31.923<mean<33.477
c) 32%<mean<33%
d) 0.777<mean<1
Refer to the accompanying data set and construct a 90% confidence interval estimate of the mean...
Refer to the accompanying data set and construct a 90%
confidence interval estimate of the mean pulse rate of adult
females; then do the same for adult males. Compare the results.
LOADING... Click the icon to view the pulse rates for adult females
and adult males. Construct a 90% confidence interval of the mean
pulse rate for adult females. nothing bpmless thanmuless than
nothing bpm (Round to one decimal place as needed.) Construct a
90% confidence interval of the mean...
Problem: Construct and interpret a 90%, 95%, and 99% confidence interval for the mean heights...
Problem:
Construct and interpret a 90%, 95%, and 99% confidence interval for
the mean heights of either adult females or the average height of
adult males living in America. Do not mix genders in your sample as
this will skew your results. Gather a random sample of size 30 of
heights from your friends, family, church members, strangers, etc.
by asking each individual in your sample his or her height. From
your raw data convert individual heights to inches....
Assuming that the population is normally distributed, construct a 90% confidence interval for the population mean...
Assuming that the population is normally distributed, construct
a 90% confidence interval for the population mean for each of the
samples below. Explain why these two samples produce different
confidence intervals even though they have the same mean and
range.
Sample A:
1
1
4
4
5
5
8
8
Sample B:
1
2
3
4
5
6
7
8
a. Construct a 90% confidence interval for the population mean
for sample A
b. Construct a 90% confidence interval...
Assuming that the population is normally distributed, construct a 90% confidence interval for the population mean,...
Assuming that the population is normally distributed, construct
a 90% confidence interval for the population mean, based on the
following sample size of n=7.
1, 2, 3, 4, 5 6, and 24
Change the number 24 to 7 and recalculate the confidence
interval. Using these results, describe the effect of an outlier
(that is, an extreme value) on the confidence interval.
Refer to the accompanying data set and construct a 90% confidence interval estimate of the mean...
Refer to the accompanying data set and construct a 90%
confidence interval estimate of the mean pulse rate of adult
females; then do the same for adult males. Compare the results.
Males Females
87 77
74 92
51 56
60 65
54 54
61 83
51 78
77 85
49 89
62 55
74 34
59 68
66 81
76 79
80 79
63 66
64 66
96 80
45 58
85 61
72 82
62 85
73 72
71 ...
Refer to the accompanying data set and construct a 90% confidence interval estimate of the mean...
Refer to the accompanying data set and construct a 90%
confidence interval estimate of the mean pulse rate of adult
females; then do the same for adult males. Compare the results.
Males Females
82 83
72 94
48 59
57 64
54 56
62 80
53 78
74 86
53 86
63 58
73 35
61 65
65 85
76 76
83 75
65 64
64 68
93 79
41 59
84 63
74 82
64 82
72 68
70 ...
Refer to the accompanying data set and construct a 90% confidence interval estimate of the mean...
Refer to the accompanying data set and construct a 90%
confidence interval estimate of the mean pulse rate of adult
females; then do the same for adult males. Compare the results.
Pulse Rates (beats per minute)
Males Females
82 83
72 94
48 59
57 64
54 56
62 80
53 78
74 86
53 86
63 58
73 35
61 65
65 85
76 76
83 75
65 64
64 68
93 79
41 59
84 63
74 82...
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