A Statistics Instructor Wants to Examine the Relationship Between the Hours

question 119

Essay

A statistics instructor wants to examine the relationship between the hours a student spends studying for the final exam (Hours)and a student's grade on the final exam (Grade).She takes a sample of five students. a.Compute the sample correlation coefficient.
b.Specify the competing hypotheses in order to determine whether the hours spent studying and the final grade are correlated.
c.Calculate the value of the test statistic and approximate the corresponding p-value.
d.At the 10% significance level,what is the conclusion to the test? Explain.

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Definitions:

Oral Stage

Freud's first psychosexual development stage, where an infant's pleasure centers are located in the mouth.

Chain-Smokes

The habit of smoking cigarettes successively, lighting each one from the stub of the last.

Fixation

In psychology, a persistent focus on an idea, emotion, or object, potentially hindering emotional development.

Psychosexual Stage

A concept in Freudian psychology that refers to different stages of child development, each characterized by a different focus of libido (sexual energy).