X̄ (sample mean) = 83.4s = 8.54 The minute duration of a random categoryof dramas in Netflix are the following: 93,83, 76, 92, 77, 81, 78, 100, 78, and 76.• Estimate the true mean duration (inminutes) of all the dramas in Netflix.Assume that variable is normallydistributed. Then, in creating interval, use95% degree confidence.• Estimate the population (pop'n)variance and population (pop'n) standarddeviation of the duration of dramas inNetflix. Assume that variable is normallydistributed.

Given that The minute duration of a random category of dramas in Netflix : 93, 83, 76, 92, 77, 81,…

Answered: The minute duration of a random…

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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X̄ (sample mean) = 83.4 s = 8.54

The minute duration of a random category
of dramas in Netflix are the following: 93,
83, 76, 92, 77, 81, 78, 100, 78, and 76.
• Estimate the true mean duration (in
minutes) of all the dramas in Netflix.
Assume that variable is normally
distributed. Then, in creating interval, use
95% degree confidence.
• Estimate the population (pop'n)
variance and population (pop'n) standard
deviation of the duration of dramas in
Netflix. Assume that variable is normally
distributed.

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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