ACTIVITY 1 (1)
1.1 Suppose a medical researcher compares the average blood pressures of women who take oral
contraceptives to the blood pressures of women who do not.
a. Is blood pressure a categorical variable or a quantitative variable?
Activity 9.1 For mean confidence intervals we call into use Table A2 which can be found in this weeks
folder. The first concept to understand is the idea of Degrees of Freedom (DF). For our activity today,
since we are only concerned with one m
Non-response bias refers to a bias that occurs if people with a particular opinion or trait tend to refuse
to answer certain survey questions (or possibly refuse to participate in the survey at all).
Response bias refers to the sys
Activity 7.1 The term sampling frame refers to the group that actually had a chance to get into
the sample. Ideally, this is the same as the population of interest, but sometimes it isnt. In the
following situation, describe the population, the
Activity 6.1 Suppose the amount students at PSU spent on textbooks this semester is a normal random
variable with mean = $360 and standard deviation = $90.
a. Use the empirical rule for bell-shaped data to determine intervals that will contain
Econ 2, Stone
Due Friday, April 23 in class
Other than the graphs and multiple choice questions, this assignment must be typed.
Why is the law of diminishing marginal
Econ 2 / Penn State
Prof. Misty Ann Stone
What time does your class start:
Homework 3 is due on April 9 at the end of class. In order to be accepted, it must be typed. So, my
recommendation is that you just open this file on your computer
Here are the objects that might be on the final exam. The list of terms will be posted in a
separate document. You should know major facts about each of the following objects, and
you should be able to compare and contrast them with other objects on the e
In addition to the names of artists, works of art, you should be prepared to define the
following terms for the final exam
Battle of Hastings
Art History 100
March 23, 2010
Name (please print clearly) _
This test will consist of ten slide identifications, ten term identifications, and one
comparison essay. The test should take about one hour.
Please write with pen and write clearly. Ill