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Find the population variance and standard deviation. 8, 11, 15, 17, 19O

Find the population variance and standard deviation. 8, 11, 15, 17, 19O

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Find the population variance and standard deviation. 1. 8, 11, 15, 17, 19 O 2. Find the sample variance and standard deviation. 5, 55, 15, 49, 33, 28, 32, 30, 33, 30 - Choose the correct answer below. Fill in the answer box to complete your choice. (Round to two decimal places as needed.) O A. 2- 3. The following data represent the flight time (in minutes) of a random sample of six flights from Las Vegas, Nevada, to Newark, New Jersey, on United Airlines. 282, 270, 266, 257, 260, 267 O Compute the range and sample standard deviation of flight time. The range of flight time is Ominutes. 4. Which histogram depicts a higher standard deviation? 107 40 44 48 52 56 60 40 50 60 70 (a) Choose the correct answer below. A. Histogram a depicts the higher standard deviation, because the bars are higher than the average bar in b. B. Histogram b depicts the higher standard deviation, because the distribution has more dispersion. OC. Histogram b depicts the higher standard deviation, since it is more bell shaped. OD. Histogram a depicts the higher standard deviation, because the distribution has more dispersion. 5. An insurance company crashed four cars in succession at 5 miles per hour. The cost of repair for each of the four crashes was $411, $459, $404, $234 O. Compute the range, sample variance, and sample standard deviation cost of repair. kouanbau Frequency
Transcribed Image Text:Find the population variance and standard deviation. 1. 8, 11, 15, 17, 19 O 2. Find the sample variance and standard deviation. 5, 55, 15, 49, 33, 28, 32, 30, 33, 30 - Choose the correct answer below. Fill in the answer box to complete your choice. (Round to two decimal places as needed.) O A. 2- 3. The following data represent the flight time (in minutes) of a random sample of six flights from Las Vegas, Nevada, to Newark, New Jersey, on United Airlines. 282, 270, 266, 257, 260, 267 O Compute the range and sample standard deviation of flight time. The range of flight time is Ominutes. 4. Which histogram depicts a higher standard deviation? 107 40 44 48 52 56 60 40 50 60 70 (a) Choose the correct answer below. A. Histogram a depicts the higher standard deviation, because the bars are higher than the average bar in b. B. Histogram b depicts the higher standard deviation, because the distribution has more dispersion. OC. Histogram b depicts the higher standard deviation, since it is more bell shaped. OD. Histogram a depicts the higher standard deviation, because the distribution has more dispersion. 5. An insurance company crashed four cars in succession at 5 miles per hour. The cost of repair for each of the four crashes was $411, $459, $404, $234 O. Compute the range, sample variance, and sample standard deviation cost of repair. kouanbau Frequency
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