The Following Data Were Collected on the Number of Study

question 5

Essay

The following data were collected on the number of study hours per week,and the current GPA of 6 students at a local college.
$$\begin{array} { l c } \text { GPA } & \text { No. of Study Hours/Week } \\\hline 3.95 & 35 \\3.00 & 28 \\2.20 & 10 \\2.5 & 15 \\3.5 & 30 \\2.00 & 7\end{array}$$
a.Develop a regression model to predict GPA based on the number of study hours.
b.What percent of the total variation in GPA has been explained by study hours?
c.If a student studies 20 hours per week,what would you estimate the GPA to be?

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Definitions:

Unified Personality

A psychological concept referring to an individual's consistent and cohesive sense of self and personality traits.

Self Theory

A psychological perspective focusing on the development of one's personal identity and sense of self.

Ego Theory

A psychological perspective that emphasizes the role of the ego in development and functioning, focusing on how people integrate their experiences and environment into their sense of self.

Psychoanalytic Theory

A theory founded by Sigmund Freud, which posits that unconscious psychological processes are the root causes of human behaviors and emotions.