o testH0:μ=40versusH1:μ<40,a random sample of sizen=25is obtained from a population that is known to be normally distributed.Ifx=37.1ands=14.8,compute the test statistic of t0 and If the researcher decides to test this hypothesis at theα=0.1level of significance, determine the critical value.

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Description: o testH0:μ=40versusH1:μ<40,a random sample of sizen=25is obtained from a population that is known to be normally distributed.Ifx=37.1ands=14.8,compute the test statistic of t0 and If the researcher decides to test this hypothesis at theα=0.1level

H0 : ? =40 H1 : ? <40 Population mean = ? = 40 Sample S.D = s =14.8 Sample size = n =25…

Answered: test H0: μ=40 versus H1: μ<40, a…

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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o test

H0:

μ=40

versus

H1:

μ<40,

a random sample of size

n=25

is obtained from a population that is known to be normally distributed.

x=37.1

and

s=14.8,

compute the test statistic of t0 and If the researcher decides to test this hypothesis at the

α=0.1

level of significance, determine the critical value.

Features Features Normal distribution is characterized by two parameters, mean (µ) and standard deviation (σ). When graphed, the mean represents the center of the bell curve and the graph is perfectly symmetric about the center. The mean, median, and mode are all equal for a normal distribution. The standard deviation measures the data's spread from the center. The higher the standard deviation, the more the data is spread out and the flatter the bell curve looks. Variance is another commonly used measure of the spread of the distribution and is equal to the square of the standard deviation.

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