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 $800 \mathrm { n }$

Familiarize with the impact of marketing eras on business strategies and practices.

Understand the concepts and calculations related to the cost of equity and the impact of leverage.

Calculate and interpret the debt-equity ratio and its significance for a firm's financial structure.

Understand the relationship between Earnings Before Interest and Taxes (EBIT), Earnings Per Share (EPS), and Degree of Financial Leverage (DFL).

---

Definitions:

Venerate Ancestors

The practice of showing deep respect and reverence for one's forebears, often as part of cultural or religious traditions.

Akan Linguist Staff

Traditional symbol of authority used by linguists among the Akan people of West Africa, often intricately carved representing proverbs or historical events.

King's Right

The legal or historical powers and privileges inherent to the monarchy, often including the right to rule, legislate, and administer justice.

Kuba Mask

A traditional mask created by the Kuba people of Central Africa, known for its elaborate decoration and significance in rituals and ceremonies.