A clothing retailer is interested in the average waist size of men. A sample is taken with the results given below.Column 1Mean41.32Standard Error1.447Median40Mode39Standard Deviation6.307Sample Variance39.78Kurtosis-0.79Skewness0.571Range20Minimum32Maximum52Sum785Count19Confidence Level (90.0%)2.509What is the sample statistic What is the point estimate for the average waist size?What is the level of confidence as a decimal?What is the margin of error?What is the confidence interval? [ , ]

Name: A clothing retailer is interested in the average waist size of men. A
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Description: A clothing retailer is interested in the average waist size of men. A sample is taken with the results given below.Column 1Mean41.32Standard Error1.447Median40Mode39Standard Deviation6.307Sample Variance39.78Kurtosis-0.79Skewness0.571Range20Minimum32

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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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A clothing retailer is interested in the average waist size of men. A sample is taken with the results given below.

Column 1

Mean	41.32
Standard Error	1.447
Median	40
Mode	39
Standard Deviation	6.307
Sample Variance	39.78
Kurtosis	-0.79
Skewness	0.571
Range	20
Minimum	32
Maximum	52
Sum	785
Count	19
Confidence Level (90.0%)	2.509

What is the sample statistic

What is the point estimate for the average waist size?

What is the level of confidence as a decimal?

What is the margin of error?

What is the confidence interval? [ , ]

Definition Definition Measure of central tendency that is the value that occurs most frequently in a data set. A data set may have more than one mode if multiple categories repeat an equal number of times. For example, in a data set with five item—3, 5, 5, 29, 473—the mode is 5 because it occurs twice and no other value occurs more than once. On a histogram or bar chart, the element with the highest bar represents the mode. Therefore, the mode is sometimes considered the most popular option. The mode is useful for nominal or categorical data (e.g., the most common color car that users purchase), but it is problematic for continuous data because it is more likely not to have any value that is more frequent than the other.

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