Answered: Listed below are measured amounts of…

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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Question

Listed below are measured amounts of caffeine (mg per 12oz of drink) obtained in one can from each of 14 brands. Find the range, variance, and standard deviation for the given sample data. Include appropriate units in the results. Are the statistics representative of the population of all cans of the same 14 brands consumed?

The range of the sample data is

enter your response here

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left parenthesis mg per 12 oz of drink right parenthesis squared .(mg per 12oz of drink)2.

brands.brands.

brands squared .brands2.

mg per 12 oz of drink.mg per 12oz of drink.

(Round to one decimal place as needed.)

The standard deviation of the sample data is

enter your response here

▼

left parenthesis mg per 12 oz of drink right parenthesis squared .(mg per 12oz of drink)2.

mg per 12 oz of drink.mg per 12oz of drink.

brands.brands.

brands squared .brands2.

(Round to one decimal place as needed.)

The variance of the sample data is

enter your response here

▼

left parenthesis mg per 12 oz of drink right parenthesis squared .(mg per 12oz of drink)2.

mg per 12 oz of drink.mg per 12oz of drink.

brands.brands.

brands squared .brands2.

(Round to one decimal place as needed.)

Are the statistics representative of the population of all cans of the same 14 brands consumed?

The statistics are likely representative of the population of all cans of these brands that are consumed because the results from any sample of the 14 brands will be typical of the population.

The statistics are not necessarily representative of the population of all cans of these brands that are consumed because it is necessary to have at least 5 of each brand in order to get a sample that is representative of the population.

The statistics are not necessarily representative of the population of all cans of these brands that are consumed because each brand is weighted equally in the calculations. It is unlikely that each of the 14 brands of soda are consumed equally.

The statistics are likely representative of the population of all cans of these brands that are consumed because each brand is being represented in the sample.

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