Use the Traditional Method of Hypothesis Testing to Test the Given

question 90

Essay

Use the traditional method of hypothesis testing to test the given claim about the means of two populations. Assume that
two dependent samples have been randomly selected from normally distributed populations.
-A coach uses a new technique in training middle distance runners. The times for 8 different athletes to run 800 meters before and after this training are shown below. $\begin{array} { c | c c c c c c c c } \text{Athlete} & A&B&C&D&E&F&G&H\\\hline\text{ Time before} &116&115.9&118.6&109.7&111.5&113&119&116 \\\text{training (seconds)}\\\hline\text{ Time AFTER} &116.6&114.6&116.2&110.5&109.7&113.1&115.4&112.1\\\text{training (seconds)}\\\end{array}$
Using a $0.05$ level of significance, test the claim that the training helps to improve the athletes' times for the $800 \mathrm { n }$

Recognize and understand the organization of descriptive paragraphs.

Identify and correct spelling errors in written text.

Recognize and correct errors related to word choice, particularly homophones and common look-alike/sound-alike mistakes.

Understand and apply organizational patterns in paragraph development, including spatial and logical order.

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Definitions:

Email

Email, or electronic mail, is a method of exchanging messages between people using electronic devices, widely used for both personal and professional communication.

Time Zones

Geographical regions around the world that observe a uniform standard time for legal, commercial, and social purposes.

Electronic Communication

refers to the transmission of information using electronic means such as email, social media, and text messaging.

Employees

Individuals who are hired by organizations or businesses to perform specific jobs in exchange for compensation, forming part of the workforce.