Answered: In a neighborhood of 150 homes, a…

Name: In a neighborhood of 150 homes, a survey of 45 homes found that the av
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Description: In a neighborhood of 150 homes, a survey of 45 homes found that the average number of pets was 2.1 (SD=0.75). The city-wide average for neighborhoods is 2.5 pets. Find the critical value of t and the value of t we obtain (or observe) presuming a 2-ta

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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In a neighborhood of 150 homes, a survey of 45 homes found that the average number of pets was 2.1 (SD=0.75). The city-wide average for neighborhoods is 2.5 pets. Find the critical value of t and the value of t we obtain (or observe) presuming a 2-tailed test. Also calculate the effect size. Finally, write up a 1 paragraph summary, of the findings starting with a statement of the hypotheses. Include all relevant information in your summary given this minimal information.

Expert Solution

Step 1

Assume,

μ be the population mean number of pets per home.
x be the random variable representing the number of pets per home.
$x$ be the sample mean number of pets per home.
$s$ be the sample standard deviation associated with x.
nbe the sample size.

The data mentioned in the question can be expressed as, $x = 2.1, s = 0.75 a n d n = 45$ .

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