Solutions to Assignment 1
Question 1: (3 marks) The P-value for a two-sided test of the null hypothesis
H0 : = 10 is 0.06.
(a) Does the 95% confidence interval include the value 10? Why?
(b) Does the 90% confidence interval include the value 10? Why?
Solution to Assignment 3
Question 1: (5 marks) The 82 students in an introductory statistics class
took a pretest at the beginning of the semester. The least-squares regression
line for predicting the score y on the final exam from the pretest score x was
Solution to Assignment 2
Question 1: (5 marks) Suppose X1 , . . . , X2n are iid N (, 2 ). Find the distri2n
bution of i=1 ci Xi , where ci = (1)i .
ci Xi N (0, 2n 2 ).
Question 2: (5 marks) Some company presents a study of the amount heat
MAT244 - Ordinary Differential Equations - Summer 2016
Due: June 8, 2016
Indicate which Tutorial Section you attend by filling in the appropriate circle:
M 2-3 pm