Answered: Bernadette is studying the average…

Name: Bernadette is studying the average height of male and female antelopes
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Description: Bernadette is studying the average height of male and female antelopes. The height of antelopes has been extensively studied and it can be assumed that it follows a normal distribution with a known distribution in both populations. She intends to inv

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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Bernadette is studying the average height of male and female antelopes. The height of antelopes has been extensively studied and it can be assumed that it follows a normal distribution with a known distribution in both populations. She intends to investigate with an appropriate hypothesis test whether the average height differs between the sexes. The value of the exam size she calculated is -1.75. What is the p-value?

0.04.
0.08.
0.96
The p-value cannot be found with the tables in the book "Statistics from scratch" as the appropriate test size does not follow the standard normal distribution.

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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