The data to the right contain the per-capita energy consumption, in kilowatt-hours, for each of the 20 provinces 22.109 of a nation. 20.606 17,836 17,383 15,052 14,727 14,067 13,852 13,577 13,406 Complete parts (a) through (c) below. 11,022 6,698 13,056 11,719 11,491 10,990 10,119 8,438 6,965 3,747 a. Compute the mean, variance, and standard deviation for the population. The population mean is u = 12843. (Simplify your answer.) The population variance is o? = 19761266. (Round to the nearest integer as needed.) The population standard deviation is o = 4445 . (Round to the nearest integer as needed.) b. What percentage of these provinces has average per-capita energy consumption within ±1 standard deviation of the mean, within +2 standard deviations of the mean, and within ±3 standard deviations of the mean? The percentage within +1 standard deviation of the mean is %.
The data to the right contain the per-capita energy consumption, in kilowatt-hours, for each of the 20 provinces 22.109 of a nation. 20.606 17,836 17,383 15,052 14,727 14,067 13,852 13,577 13,406 Complete parts (a) through (c) below. 11,022 6,698 13,056 11,719 11,491 10,990 10,119 8,438 6,965 3,747 a. Compute the mean, variance, and standard deviation for the population. The population mean is u = 12843. (Simplify your answer.) The population variance is o? = 19761266. (Round to the nearest integer as needed.) The population standard deviation is o = 4445 . (Round to the nearest integer as needed.) b. What percentage of these provinces has average per-capita energy consumption within ±1 standard deviation of the mean, within +2 standard deviations of the mean, and within ±3 standard deviations of the mean? The percentage within +1 standard deviation of the mean is %.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 23PPS
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Transcribed Image Text:The data to the right contain the per-capita energy consumption, in kilowatt-hours, for each of the 20 provinces 22,109
20,606
17,836
17,383
15,052
of a nation.
14,727
14,067
13,852
13,577
13,406
Complete parts (a) through (c) below.
13,056
11,719
11,491
11,022
10,990
10,119
8,438
6,965
6,698
3,747
.....
a. Compute the mean, variance, and standard deviation for the population.
The population mean is u = 12843 .
(Simplify your answer.)
The population variance is o = 19761266 .
(Round to the nearest integer as needed.)
The population standard deviation is o = 4445 .
(Round to the nearest integer as needed.)
b. What percentage of these provinces has average per-capita energy consumption within + 1 standard deviation of the mean, within ±2 standard deviations of the mean, and within +3 standard deviations of the mean?
The percentage within +1 standard deviation of the mean is %.
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