Questions 10-14: based on the following sample data set that reports the number of boats shipped...
Questions 10-14: based on the following sample data set that reports the number of boats shipped per week by Ottertail Boats, Inc.
83, 115, 119, 120, 121, 122, 122, 126, 129,
130, 131, 132, 133, 134, 135, 135, 135, 190
10. The sample mean is
a. 130.55
b. 127.73
c. 128.44
d. 129.50
11. The sample variance is
a. 384.85
b. 363.47
c. 19.62
d. 19.06
12. The sample standard deviation is
a. 384.85
b. 363.47
c. 19.62
d. 19.06
13. Outlier(s) is(are)
a. None.
b. 83 and 190
c. 83
d. 190
14. According to the Chebyshev's theorem, the proportion of data observations falling within (99.01, 157.87) is
a. About 75%
b. At least 55.6%
c. About 55.6%
d. At least 88.9%
Homework Answers
Here we have data:
83, 115, 119, 120, 121, 122, 122, 126, 129,
130, 131, 132, 133, 134, 135, 135, 135, 190
(11) sample mean(x-bar)="=AVERAGE(83, 115, 119, 120, 121, 122, 122, 126, 129,130, 131, 132, 133, 134, 135, 135, 135, 190)
=128.44
Correct option (C)
(11)Sample variance(s^2)="=VARA((83, 115, 119, 120, 121, 122, 122, 126, 129,130, 131, 132, 133, 134, 135, 135, 135, 190)
=384.85
Correct option (a)
(12) Sample standard deviation (s)="=STDEVA((83, 115, 119, 120, 121, 122, 122, 126, 129,130, 131, 132, 133, 134, 135, 135, 135, 190)=19.62
Correct option (c)
(13)
sample size: 18
Median: 129.5
Minimum: 83
Maximum: 190
First quartile: 120.75
Third quartile: 134.25
Interquartile Range: 13.5
Outliers: 83 190
Correct option (b)
(14)
Add Answer to:
Questions 10-14: based on the following sample
data set that reports the number of boats shipped...
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