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The technical operations department wants to ensure that the mean target upload speed for all Internet service subscribers is at least 0.97 on a standard scale in which the target value is 2.0. Each day, upload speed was measured 50 times, with the following results: 0.854+x 1.023+x 1.005+x 1.030+x 1.219+x 0.977+x 1.044+x 0.778+x 1.122+x 1.114+x 1.091+x 1.086+x 1.141+x 0.931+x 0.723+x 0.934+x 1.060+x 1.047+x 0.800+x 0.889+x 1.012+y 0.695+y 0.869+y 0.734+y 1.131+y 0.993+y 0.762+y 0.814+y 1.108+y 0.805+y 1.223-Z 1.024-z 0.884-z 0.799-Z 0.870-z 0.898-Z 0.621-Z 0.818-z 1.113-z 1.286-Z 1.052-z 0.678-z 1.162-Z 0.808-Z 1.012-Z 0.859-z 0.951-z 1.112-z 1.003-z 0.92-z In the above table, Becareful that x and y are supposed to be added and z is to be subtracted. x = 0.15 and z = 45 y = 0.2 Accomplish the following tasks: 1- Find mean, standard deviation, and five number summary for this dataset. Specify if there is any outlier. 2- Plot histogram and boxplot. 3- Compute the sample statistic and determine whether there is evidence that, the population mean upload speed is less than 0.97.

The technical operations department wants to ensure that the mean target upload speed for all Internet service subscribers is at least 0.97 on a standard scale in which the target value is 2.0. Each day, upload speed was measured 50 times, with the following results: 0.854+x 1.023+x 1.005+x 1.030+x 1.219+x 0.977+x 1.044+x 0.778+x 1.122+x 1.114+x 1.091+x 1.086+x 1.141+x 0.931+x 0.723+x 0.934+x 1.060+x 1.047+x 0.800+x 0.889+x 1.012+y 0.695+y 0.869+y 0.734+y 1.131+y 0.993+y 0.762+y 0.814+y 1.108+y 0.805+y 1.223-Z 1.024-z 0.884-z 0.799-Z 0.870-z 0.898-Z 0.621-Z 0.818-z 1.113-z 1.286-Z 1.052-z 0.678-z 1.162-Z 0.808-Z 1.012-Z 0.859-z 0.951-z 1.112-z 1.003-z 0.92-z In the above table, Becareful that x and y are supposed to be added and z is to be subtracted. x = 0.15 and z = 45 y = 0.2 Accomplish the following tasks: 1- Find mean, standard deviation, and five number summary for this dataset. Specify if there is any outlier. 2- Plot histogram and boxplot. 3- Compute the sample statistic and determine whether there is evidence that, the population mean upload speed is less than 0.97.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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The technical operations department wants to ensure that the mean target upload speed for all Internet service subscribers is at least 0.97 on a standard scale in which the target value is 2.0. Each day, upload speed was measured 50 times, with the following results: 0.854+x 1.023+x 1.005+x 1.030+x 1.219+x 0.977+x 1.044+x 0.778+x 1.122+x 1.114+x 1.091+x 1.086+x 1.141+x 0.931+x 0.723+x 0.934+x 1.060+x 1.047+x 0.800+x 0.889+x 1.012+y 0.695+y 0.869+y 0.734+y 1.131+y 0.993+y 0.762+y 0.814+y 1.108+y 0.805+y 1.223-z 1.024-z 0.884-z 0.799-z 0.870-z 0.898-z 0.621-z 0.818-Z 1.113-z 1.052-z 0.678-z 1.162-z 0.808-z 1.012-z 0.859-z 0.951-z 1.112-z 1.003-z 0.92-z 1.286-z In the above table, Becareful that x and y are supposed to be added and z is to be subtracted. x = 0.15 and z = 45 y = 0.2 Accomplish the following tasks: 1- Find mean, standard deviation, and five number summary for this dataset. Specify if there is any outlier. 2- Plot histogram and boxplot. 3- Compute the sample statistic and determine whether there is evidence that, the population mean upload speed is less than 0.97.
Transcribed Image Text:The technical operations department wants to ensure that the mean target upload speed for all Internet service subscribers is at least 0.97 on a standard scale in which the target value is 2.0. Each day, upload speed was measured 50 times, with the following results: 0.854+x 1.023+x 1.005+x 1.030+x 1.219+x 0.977+x 1.044+x 0.778+x 1.122+x 1.114+x 1.091+x 1.086+x 1.141+x 0.931+x 0.723+x 0.934+x 1.060+x 1.047+x 0.800+x 0.889+x 1.012+y 0.695+y 0.869+y 0.734+y 1.131+y 0.993+y 0.762+y 0.814+y 1.108+y 0.805+y 1.223-z 1.024-z 0.884-z 0.799-z 0.870-z 0.898-z 0.621-z 0.818-Z 1.113-z 1.052-z 0.678-z 1.162-z 0.808-z 1.012-z 0.859-z 0.951-z 1.112-z 1.003-z 0.92-z 1.286-z In the above table, Becareful that x and y are supposed to be added and z is to be subtracted. x = 0.15 and z = 45 y = 0.2 Accomplish the following tasks: 1- Find mean, standard deviation, and five number summary for this dataset. Specify if there is any outlier. 2- Plot histogram and boxplot. 3- Compute the sample statistic and determine whether there is evidence that, the population mean upload speed is less than 0.97.
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The technical operations department wants to ensure that the mean target upload speed for all Internet service subscribers is at least 0.97 on a standard scale in which the target value is 2.0. Each day, upload speed was measured 50 times, with the following results: 0.854+x 1.023+x 1.005+x 1.030+x 1.219+x 0.977+x 1.044+x 0.778+x 1.122+x 1.114+x 1.091+x 1.086+x 1.141+x 0.931+x 0.723+x 0.934+x 1.060+x 1.047+x 0.800+x 0.889+x 1.012+y 0.695+y 0.869+y 0.734+y 1.131+y 0.993+y 0.762+y 0.814+y 1.108+y 0.805+y 1.223-z 1.024-z 0.884-z 0.799-z 0.870-z 0.898-z 0.621-z 0.818-Z 1.113-z 1.052-z 0.678-z 1.162-z 0.808-z 1.012-z 0.859-z 0.951-z 1.112-z 1.003-z 0.92-z 1.286-z In the above table, Becareful that x and y are supposed to be added and z is to be subtracted. x = 0.15 and z = 45 y = 0.2 Accomplish the following tasks: 1- Find mean, standard deviation, and five number summary for this dataset. Specify if there is any outlier. 2- Plot histogram and boxplot. 3- Compute the sample statistic and determine whether there is evidence that, the population mean upload speed is less than 0.97.
Transcribed Image Text:The technical operations department wants to ensure that the mean target upload speed for all Internet service subscribers is at least 0.97 on a standard scale in which the target value is 2.0. Each day, upload speed was measured 50 times, with the following results: 0.854+x 1.023+x 1.005+x 1.030+x 1.219+x 0.977+x 1.044+x 0.778+x 1.122+x 1.114+x 1.091+x 1.086+x 1.141+x 0.931+x 0.723+x 0.934+x 1.060+x 1.047+x 0.800+x 0.889+x 1.012+y 0.695+y 0.869+y 0.734+y 1.131+y 0.993+y 0.762+y 0.814+y 1.108+y 0.805+y 1.223-z 1.024-z 0.884-z 0.799-z 0.870-z 0.898-z 0.621-z 0.818-Z 1.113-z 1.052-z 0.678-z 1.162-z 0.808-z 1.012-z 0.859-z 0.951-z 1.112-z 1.003-z 0.92-z 1.286-z In the above table, Becareful that x and y are supposed to be added and z is to be subtracted. x = 0.15 and z = 45 y = 0.2 Accomplish the following tasks: 1- Find mean, standard deviation, and five number summary for this dataset. Specify if there is any outlier. 2- Plot histogram and boxplot. 3- Compute the sample statistic and determine whether there is evidence that, the population mean upload speed is less than 0.97.
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