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Math Statistics Elementary Statistics Using Excel (6th Edition)

z Scores. In Exercises 5-8, express all z scores with two decimal places. 8. Plastic Waste Data Set 31 “Garbage Weight” in Appendix B lists weights (lb) of plastic discarded by households. The highest weight is 5.28 lb, the mean of all of the weights is x ¯ = 1.911 lb, and the standard deviation of the weights is s = 1.065 lb. a. What is the difference between the weight of 5.28 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 5.28 lb to a z score. d. If we consider weights that convert to z scores between -2 and 2 to he neither significantly low nor significantly high, is the weight of 5.28 lb significant?

z Scores. In Exercises 5-8, express all z scores with two decimal places. 8. Plastic Waste Data Set 31 “Garbage Weight” in Appendix B lists weights (lb) of plastic discarded by households. The highest weight is 5.28 lb, the mean of all of the weights is x ¯ = 1.911 lb, and the standard deviation of the weights is s = 1.065 lb. a. What is the difference between the weight of 5.28 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 5.28 lb to a z score. d. If we consider weights that convert to z scores between -2 and 2 to he neither significantly low nor significantly high, is the weight of 5.28 lb significant?

Elementary Statistics Using Excel (6th Edition)

Elementary Statistics Using Excel (6th Edition)

6th Edition

ISBN: 9780134506623

Author: Mario F. Triola

Publisher: PEARSON

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Textbook Question

Chapter 3.3, Problem 8BSC

z Scores. In Exercises 5-8, express all z scores with two decimal places.

8. Plastic Waste Data Set 31 “Garbage Weight” in Appendix B lists weights (lb) of plastic discarded by households. The highest weight is 5.28 lb, the mean of all of the weights is x ¯ = 1.911 lb, and the standard deviation of the weights is s = 1.065 lb.

a. What is the difference between the weight of 5.28 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 5.28 lb to a z score.
d. If we consider weights that convert to z scores between -2 and 2 to he neither significantly low nor significantly high, is the weight of 5.28 lb significant?

Definition Definition Measure of central tendency that is the average of a given data set. The mean value is evaluated as the quotient of the sum of all observations by the sample size. The mean, in contrast to a median, is affected by extreme values. Very large or very small values can distract the mean from the center of the data. Arithmetic mean: The most common type of mean is the arithmetic mean. It is evaluated using the formula: μ = 1 N ∑ i = 1 N x i Other types of means are the geometric mean, logarithmic mean, and harmonic mean. Geometric mean: The nth root of the product of n observations from a data set is defined as the geometric mean of the set: G = x 1 x 2 ... x n n Logarithmic mean: The difference of the natural logarithms of the two numbers, divided by the difference between the numbers is the logarithmic mean of the two numbers. The logarithmic mean is used particularly in heat transfer and mass transfer. ln x 2 − ln x 1 x 2 − x 1 Harmonic mean: The inverse of the arithmetic mean of the inverses of all the numbers in a data set is the harmonic mean of the data. 1 1 x 1 + 1 x 2 + ...

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Elementary Statistics Using Excel (6th Edition)

Ch. 3.1 - 1. Average The defunct website IncomeTaxList.com...Ch. 3.1 - 2. What’s Wrong? USA Today published a list...Ch. 3.1 - Prob. 3BSC Ch. 3.1 - Prob. 4BSC Ch. 3.1 - Critical Thinking. For Exercises 5-20, watch out...Ch. 3.1 - Critical Thinking. For Exercises 5-20, watch out...Ch. 3.1 - Critical Thinking. For Exercises 5-20, watch out...Ch. 3.1 - Prob. 8BSC Ch. 3.1 - Prob. 9BSC Ch. 3.1 - Critical Thinking. For Exercises 5-20, watch out...

Ch. 3.1 - Prob. 11BSC Ch. 3.1 - Prob. 12BSC Ch. 3.1 - Prob. 13BSC Ch. 3.1 - Prob. 14BSC Ch. 3.1 - Prob. 15BSC Ch. 3.1 - Prob. 16BSC Ch. 3.1 - Prob. 17BSC Ch. 3.1 - Critical Thinking. For Exercises 5-20, watch out...Ch. 3.1 - Prob. 19BSC Ch. 3.1 - Prob. 20BSC Ch. 3.1 - Prob. 21BSC Ch. 3.1 - Prob. 22BSC Ch. 3.1 - Prob. 23BSC Ch. 3.1 - Prob. 24BSC Ch. 3.1 - Prob. 25BSC Ch. 3.1 - Prob. 26BSC Ch. 3.1 - Prob. 27BSC Ch. 3.1 - Prob. 28BSC Ch. 3.1 - In Exercises 29-32, find the mean of the data...Ch. 3.1 - Prob. 30BSC Ch. 3.1 - Prob. 31BSC Ch. 3.1 - Prob. 32BSC Ch. 3.1 - Prob. 33BSC Ch. 3.1 - Prob. 34BSC Ch. 3.1 - Prob. 35BB Ch. 3.1 - Prob. 36BB Ch. 3.1 - Prob. 37BB Ch. 3.1 - Prob. 38BB Ch. 3.1 - Prob. 39BB Ch. 3.1 - Prob. 40BB Ch. 3.1 - Prob. 41BB Ch. 3.2 - 1. Range Rule of Thumb for Estimating s The 20...Ch. 3.2 - Prob. 2BSC Ch. 3.2 - Prob. 3BSC Ch. 3.2 - Prob. 4BSC Ch. 3.2 - In Exercises 5-20, find the range, variance, and...Ch. 3.2 - In Exercises 5-20, find the range, variance, and...Ch. 3.2 - Prob. 7BSC Ch. 3.2 - Prob. 8BSC Ch. 3.2 - Prob. 9BSC Ch. 3.2 - Prob. 10BSC Ch. 3.2 - Prob. 11BSC Ch. 3.2 - Prob. 12BSC Ch. 3.2 - Prob. 13BSC Ch. 3.2 - Prob. 14BSC Ch. 3.2 - Prob. 15BSC Ch. 3.2 - In Exercises 5-20, find the range, variance, and...Ch. 3.2 - Prob. 17BSC Ch. 3.2 - Prob. 18BSC Ch. 3.2 - Prob. 19BSC Ch. 3.2 - Prob. 20BSC Ch. 3.2 - Prob. 21BSC Ch. 3.2 - Prob. 22BSC Ch. 3.2 - Prob. 23BSC Ch. 3.2 - In Exercises 21-24, find the coefficient of...Ch. 3.2 - Prob. 25BSC Ch. 3.2 - Large Data Sets from Appendix B. In Exercises 25 –...Ch. 3.2 - Prob. 27BSC Ch. 3.2 - Prob. 28BSC Ch. 3.2 - Prob. 29BSC Ch. 3.2 - Prob. 30BSC Ch. 3.2 - Prob. 31BSC Ch. 3.2 - Estimating Standard Deviation with the Range Rule...Ch. 3.2 - Prob. 33BSC Ch. 3.2 - Prob. 34BSC Ch. 3.2 - Prob. 35BSC Ch. 3.2 - Prob. 36BSC Ch. 3.2 - Prob. 37BSC Ch. 3.2 - Prob. 38BSC Ch. 3.2 - Prob. 39BSC Ch. 3.2 - Prob. 40BSC Ch. 3.2 - Prob. 41BSC Ch. 3.2 - Prob. 42BSC Ch. 3.2 - Prob. 43BSC Ch. 3.2 - Prob. 44BSC Ch. 3.2 - Prob. 45BB Ch. 3.2 - Prob. 46BB Ch. 3.3 - 1. z Scores LeBron James, one of the most...Ch. 3.3 - Prob. 2BSC Ch. 3.3 - Prob. 3BSC Ch. 3.3 - 4. z Scores If your score on your next statistics...Ch. 3.3 - z Scores. In Exercises 5-8, express all z scores...Ch. 3.3 - Prob. 6BSC Ch. 3.3 - z Scores. In Exercises 5-8, express all z scores...Ch. 3.3 - z Scores. In Exercises 5-8, express all z scores...Ch. 3.3 - Prob. 9BSC Ch. 3.3 - Prob. 10BSC Ch. 3.3 - Prob. 11BSC Ch. 3.3 - Significant Values. In Exercises 9-12, consider a...Ch. 3.3 - Comparing Values. In Exercises 13-16, use z scores...Ch. 3.3 - Prob. 14BSC Ch. 3.3 - Prob. 15BSC Ch. 3.3 - Prob. 16BSC Ch. 3.3 - Prob. 17BSC Ch. 3.3 - Prob. 18BSC Ch. 3.3 - Prob. 19BSC Ch. 3.3 - Prob. 20BSC Ch. 3.3 - Prob. 21BSC Ch. 3.3 - Prob. 22BSC Ch. 3.3 - Percentiles. In Exercises 17-20, use the following...Ch. 3.3 - Prob. 24BSC Ch. 3.3 - Prob. 25BSC Ch. 3.3 - Prob. 26BSC Ch. 3.3 - Prob. 27BSC Ch. 3.3 - Prob. 28BSC Ch. 3.3 - Prob. 29BSC Ch. 3.3 - Prob. 30BSC Ch. 3.3 - Prob. 31BSC Ch. 3.3 - Prob. 32BSC Ch. 3.3 - Prob. 33BSC Ch. 3.3 - Prob. 34BSC Ch. 3.3 - Prob. 35BSC Ch. 3.3 - Prob. 36BSC Ch. 3.3 - Prob. 37BB Ch. 3 - Prob. 1CQQ Ch. 3 - 2. Sleep Median What is the median of the sample...Ch. 3 - Prob. 3CQQ Ch. 3 - Prob. 4CQQ Ch. 3 - Prob. 5CQQ Ch. 3 - Prob. 6CQQ Ch. 3 - Prob. 7CQQ Ch. 3 - Prob. 8CQQ Ch. 3 - Prob. 9CQQ Ch. 3 - Prob. 10CQQ Ch. 3 - Prob. 1RE Ch. 3 - Prob. 2RE Ch. 3 - Prob. 3RE Ch. 3 - Prob. 4RE Ch. 3 - Prob. 5RE Ch. 3 - Prob. 6RE Ch. 3 - Prob. 7RE Ch. 3 - Prob. 8RE Ch. 3 - Prob. 1CRE Ch. 3 - Prob. 2CRE Ch. 3 - Prob. 3CRE Ch. 3 - Prob. 4CRE Ch. 3 - Prob. 5CRE Ch. 3 - 6. Normal Distribution Examine the distribution...Ch. 3 - Prob. 1EP Ch. 3 - FROM DATA TO DECISION Second-Hand Smoke Data Set...

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