MAT 240 Module Five Assignment 21EW1 (filled through template) PDF

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Mat 240 Applied Statistics
Module Five Assignment
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Hypothesis Testing for Regional Real Estate Company

Hypothesis Testing for Regional Real Estate Company Isaiah Spears Southern New Hampshire University

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Hypothesis Testing for Regional Real Estate Company

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Introduction I have been hired by a real estate company to analyze real estate data to test a hypothesis that the cost of a home from the salesperson is above average cost for the homes in the whole region. Setup The population parameter is $196.56. The null hypothesis is the mean is equal to $275. The alternative is if the Pacific price per sq ft is lower than $275. I will use the left tailed test using significance level α = . 05.

Data Analysis Preparations Sample of the Pacific region. Cost per sq ft. Sample Size Sample Mean Sample Median

1001 $264.02 $202.97

Sample Standard Deviation

$161.76

Hypothesis Testing for Regional Real Estate Company

Right skewed; unimodal; 5 outliers

Calculations

left tailed test t stat p value

-2.148326461 0.01596372904

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Hypothesis Testing for Regional Real Estate Company

Test Decision

The p value is greater than the significance level so we accept the null hypothesis Conclusion Using the formulas required I calculated whether or nopt the average price per square foot was $275. My answer concluded that the hypothesis was correct.

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