SITUATION: A population of PWD learners in 5 schools in a certain municipality of Cavite City are (x) 9, 5, 6, 12 and 15. Suppose that 2 schools were selected as samples, determine the mean and variance of the sampling distribution of sample meanList all possible samples and their corresponding means SAmples od size 2Mean Construct the sampling distribution of the sample means SAMPLING DISTRIBUTION OF SAMPLE MEANSSample meansFrequencyProbability Total (f) Compute the mean of the sampling distribution of the sample means.Sample meanProbabilityS.Mean * Probability

Given: population size = 5 sample size = 2 population: X 9 5 6 12 15

Answered: SITUATION: A population of PWD learners…

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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SITUATION: A population of PWD learners in 5 schools in a certain municipality of Cavite City are (x) 9, 5, 6, 12 and 15. Suppose that 2 schools were selected as samples, determine the mean and variance of the sampling distribution of sample mean

List all possible samples and their corresponding means


SAmples od size 2	Mean

Construct the sampling distribution of the sample means

SAMPLING DISTRIBUTION OF SAMPLE MEANS

Sample means	Frequency	Probability







Total (f)

Compute the mean of the sampling distribution of the sample means.

Sample mean	Probability	S.Mean * Probability

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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