A Coach Uses a New Technique in Training Middle Distance

question 5

Essay

A coach uses a new technique in training middle distance runners.The times for 8 different athletes to run 800 metres before and after this training are shown below.
Do the data suggest that the training helps to improve the athletes' times for the 800 metres? Perform a Wilcoxon signed-rank test at the 5% significance level.

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Definitions:

Communal Relationship

A type of relationship where individuals benefit from mutual giving and receiving, focusing on the well-being of the relationship rather than individual gain.

Reciprocal

Relating to a mutual exchange where two parties engage in giving and receiving something of similar kind or value.

Mutual Love

A reciprocal affection and emotional connection between two individuals.

Committed Relationship

A long-term romantic partnership based on mutual affection, trust, and support, often involving a formal commitment.