1. A study was carried out to determine whether a new diet is eective in reducing
cholesterol levels. Twenty subjects were recruited. For each subject, the cholesterol
level was measured initially. Each subject was placed on the new diet for one month,
1. A description of dierent houses on the market includes the following three variables.
Which of these variables is/are quantitative?
(a) The square footage of the house
(b) The monthly gas bill
(c) The monthly electric bill
(d) * All of the above
2. A h
SOLUTIONS MAT 167: Statistics Test I: Chapters 1-4 Instructor: Anthony Tanbakuchi Spring 2008
Name: Computer / Seat Number:
No books, notes, or friends. Show your work. You may use the attached equation sheet, R, and a calculator. No other materials. Writ
ECE 3530 PRACTICE MIDTERM 1 SOLUTIONS
1. There is a deck of 15 cards numbered 1 through 15.
(a) If you draw 5 cards from the deck without replacement, what is the
probability that your hand will contain the cards 10 and 13?
Notice that whether these cards
Homework 1: Solutions
Environmental Economics: ECO 403
Question 1 (12 points).
a. The allocation is ecient. We cannot make Luke better o without making Dave worse
b. The allocation is not ecient. We can give the one remaining frisbee to either Dave
Exam 3 Solutions Math 215 Fall 2006
1. Notice that ( R'S )'T ' R S 'T '
( R T ) ( R'S T ' ) or there are probably other ways of writing this I have not listed.
Where n(J) = number of people who surf and n(S) = number of people who job,
then n(S or J) = n(
MAT 167: Statistics, Test I: Chapters 1-3
SOLUTIONS p. 1 of 14
1. Given the following data collected from a random sample of individuals heights in cm:
170 185 155 168 162 164 280
(a) (3 points) If you were asked to calculate the average height for this d