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A data set lists weights (lb) of plastic discarded by households. The highest weight is 5.12 lb, the mean of all of the weights is x 2.307 lb, and the standard deviation of the weights is s = 1.676 lb. a. What is the difference between the weight of 5.12 lb and the mean of the weights? b. How many standard deviations is that [the difference found in part (a)]? c. Convert the weight of 5.12 lb to a z score. d. If we consider weights that convert to z scores between – 2 and 2 to be neither significantly low nor significantly high, is the weight of 5.12 lb significant? a. The difference is Ib. (Type an integer or a decimal. Do not round.) b. The difference is standard deviations. (Round to two decimal places as needed.) c. The z score is z= (Round to two decimal places as needed.) d. The highest weight is (STA20

A data set lists weights (lb) of plastic discarded by households. The highest weight is 5.12 lb, the mean of all of the weights is x 2.307 lb, and the standard deviation of the weights is s = 1.676 lb. a. What is the difference between the weight of 5.12 lb and the mean of the weights? b. How many standard deviations is that [the difference found in part (a)]? c. Convert the weight of 5.12 lb to a z score. d. If we consider weights that convert to z scores between – 2 and 2 to be neither significantly low nor significantly high, is the weight of 5.12 lb significant? a. The difference is Ib. (Type an integer or a decimal. Do not round.) b. The difference is standard deviations. (Round to two decimal places as needed.) c. The z score is z= (Round to two decimal places as needed.) d. The highest weight is (STA20

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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A data set lists weights (lb) of plastic discarded by households. The highest weight is 5.12 lb, the mean of all of the weights is x 2.307 lb, and the standard deviation of the weights is s = 1.676 lb. a. What is the difference between the weight of 5.12 lb and the mean of the weights? b. How many standard deviations is that [the difference found in part (a)]? c. Convert the weight of 5.12 lb to a z score. d. If we consider weights that convert to z scores between – 2 and 2 to be neither significantly low nor significantly high, is the weight of 5.12 lb significant? a. The difference is Ib. (Type an integer or a decimal. Do not round.) b. The difference is standard deviations. (Round to two decimal places as needed.) c. The z score is z= (Round to two decimal places as needed.) d. The highest weight is (STA20
Transcribed Image Text:A data set lists weights (lb) of plastic discarded by households. The highest weight is 5.12 lb, the mean of all of the weights is x 2.307 lb, and the standard deviation of the weights is s = 1.676 lb. a. What is the difference between the weight of 5.12 lb and the mean of the weights? b. How many standard deviations is that [the difference found in part (a)]? c. Convert the weight of 5.12 lb to a z score. d. If we consider weights that convert to z scores between – 2 and 2 to be neither significantly low nor significantly high, is the weight of 5.12 lb significant? a. The difference is Ib. (Type an integer or a decimal. Do not round.) b. The difference is standard deviations. (Round to two decimal places as needed.) c. The z score is z= (Round to two decimal places as needed.) d. The highest weight is (STA20
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