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:

Accrued Expense

Expenses that have been incurred but not yet paid or recorded in the ledgers.

Accrual Basis Accounting

An accounting method where revenue and expenses are recorded when they are earned or incurred, regardless of when cash is exchanged.

Cash Basis Accounting

An accounting method that records revenues and expenses when cash is actually received or paid, rather than at the time they are incurred.

Rental Payments

Periodic payments made by a lessee to a lessor for the use of a property, space, or equipment.