Stat 272 Roback
CHARLIE BAHNSON-STAT 272
Chapter 0: What is a Statistical Model?
(Due Monday, February 16)
Conceptual Exercise 0.5: Scooping ice cream.
Complete parts (a)-(d).
A. Observational units are the nutrition experts
Friday, November 18, 2011
Prof. A. D. Becker
I pledge my honor that on this exam I neither gave nor received assistance and that I saw no dishonest
c Check the box if you have left the pledge un
1. a) Yes. First, these give the equilibrium values for price and quantity.
1350.45 P=63+0.27 P
13563=0.27 P+0.45 P
Q=1350.45(100) and Q=63+0.27(100)
Second, at the equilibrium, they also have the elasticities that are given.
par(mfrow=c(1,1) #makes this into a one by one window, not 2 by 2
#example 1.6= number of MDs in metro area vs number of hospitals
MetroHealth.df = MetroHealth83[,c(1,2,4)] #extract 3 variables
Journal of Internal Medicine 2003; 254: 555563
Waist circumference, waisthip ratio and body mass index
and their correlation with cardiovascular disease risk factors
in Australian adults
M. DALTON1, A. J. CAMERON1, P. Z. ZIMMET1, J. E. SHAW1, D. JOLLEY2,
# Porsche price vs. mileage
library(Stat2Data) # be sure you install this package first
Porsche.lm1 = lm(Price ~ Mileage)
# Information needed
Stat 272 Bestrashniy
Tuesday, Sept 28
Names (Teams of 2 or 3) _CHARLIE BAHNSON
This quiz is open-book and open-RStudio. You may want to use chapter1.R when answering these questions.
Example 1.7: Species by area.
1. Explain how youd conclu