Use the following information to answer all questions below:
We are interested in determining if how many hours you study affects your grade on an exam. The following data from 10 students is provided (look at photos for data and t-table)
Question 1
Which variable is the independent variable and which one is the dependent variable?
A. Independent=Exam Score and Dependent=Study Hours
B. Both variables are independent
C. Independent=Study Hours and Dependent=Exam Score
D. Both variables are dependent
Question 2
Find b subscript 1. Leave your answer to four decimal places:
Question 3
Find b subscript 0. Leave your answer to four decimal places:
Question 4
Find SST. Leave your answer to one decimal point:
Question 5
Find SSR. Leave your answer to four decimal places:
Question 6
Find SSE. Leave your answer to four decimal places:
Question 7
Find the coefficient of determination. Leave your answer to four decimal places:
Question 8
Find the correlation coefficient. Leave your answer to four decimal places:
Question 9
Find s squared. Leave your answer to four decimal places:
Question 10
Find the test statistic for testing if b subscript 1is significant or not. Leave your answer to four decimal places:
Question 11
What conclusion would you make based on the test statistic found above (use 0.05 confidence level)?
A. Reject H subscript o
B. Do not reject H subscript o
Question 12
Find the 95% confidence interval for beta subscript 1. Leave your answers to four decimal places: (Blank 1, Blank 2)
Question 13
Assuming a student studies 10 hours, what grade would you expect them to get on the exam? Leave your answer to four decimal places:
Question 14
Assuming a student studies 10 hours, what is the 90% confidence interval for the expected exam score? Leave your answers to four decimal places: (Blank 1, Blank 2)
Question 15
Assuming a student studies 10 hours, what is the 90% predication interval for the expected exam score? Leave your answers to four decimal places: (Blank 1, Blank 2)
***PLEASE SHOW WORK***
