part b of this question i cannot remember the conceptYour customers at the local bookstore spend time in the store browsing and buying. Assume this time is a uniform distribution from 3 minutes to 23 minutes. What is the height of the distribution? What is the standard deviation? A random customer enters the store 7 minutes before you are scheduled to leave, but your boss will not let you rush customers out the door. What is the probability you will be able to leave on time? Your boss at the local bookstore is interested in the mean amount spent by your customers. He remembers hearing about sampling and how it can help in these situations, but he also notes there must be a strong positive skew in the population distribution of money spent by customers, and he remembers sampling has something to do with normal distributions so he is not convinced it will work here. What important statistical concept is your boss forgetting about? Briefly explain this concept in your own words and how it applies here. Remember, your boss thinks he is a busy man, so you have to be brief.

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Description: part b of this question i cannot remember the conceptYour customers at the local bookstore spend time in the store browsing and buying. Assume this time is a uniform distribution from 3 minutes to 23 minutes. What is the height of the distribution?

(b) (i) The important statistical concept boss is forgetting about is the central limit theorem…

Answered: Your boss at the local bookstore is…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

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part b of this question i cannot remember the concept

Your customers at the local bookstore spend time in the store browsing and buying. Assume this time is a uniform distribution from 3 minutes to 23 minutes.

What is the height of the distribution?

What is the standard deviation?

A random customer enters the store 7 minutes before you are scheduled to leave, but your boss will not let you rush customers out the door. What is the probability you will be able to leave on time?

Your boss at the local bookstore is interested in the mean amount spent by your customers. He remembers hearing about sampling and how it can help in these situations, but he also notes there must be a strong positive skew in the population distribution of money spent by customers, and he remembers sampling has something to do with normal distributions so he is not convinced it will work here.

What important statistical concept is your boss forgetting about?

Briefly explain this concept in your own words and how it applies here. Remember, your boss thinks he is a busy man, so you have to be brief.

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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