THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
A professor of statistics is interested in studying the relationship between the number of hours graduate students spent studying for his comprehensive final exam and the exam score.The results of the regression analysis of hours studied on exam scores are presented below. 
-Determine the intercept of the sample regression line.
Definitions:
Broadway Musical
A live theater production featuring a mix of songs, dialogue, acting, and dance, traditionally performed on Broadway in New York City.
Working Memory
An intelligence system of bounded capacity, purposed with short-term retention of information for processing.
Prefrontal Cortex
The front part of the frontal lobes of the brain, involved in complex behaviors such as planning, decision-making, and moderating social behavior.
Working Memory
A cognitive framework with a set limit, aimed at temporarily keeping information ready for processing.
Q1: You have just run a regression in
Q29: If X<sub>1</sub> were to increase by 1-unit
Q34: When testing for the difference between the
Q34: What is the sample variance of the
Q42: Calculate the error sum of squares.
Q44: The uniform variance assumption for the linear
Q60: When testing for the difference between two
Q72: If the population distribution of the differences
Q128: Compute the coefficient of determination.
Q181: Interpret the estimated regression coefficient b<sub>3</sub>.