Stat 301
Lab 2
Solution
Last week's lab looked at the data on nonstructural carbohydrates (NSC) concentrations
(mg/g) in sapling stems in moist semi-evergreen and dry deciduous tropical forests in
Bolivia. The data are available on the course Web site:
ht
Stat 301
Lab 7 Solution
Fall 2013
1. Dugongs are large aquatic mammals similar to manatees but native to the Indian and Pacific Oceans.
Data was collected on the age (years) and length (meters) of 27 dugongs captured near Townsville in
north Queensland, A
Stat 301
Lab 1
Solution
Use JMP to analyze the data in problem 1 below. It is not sufficient to simply hand in
JMP output. You must answer the questions completely. Hand in the JMP output attached
at the end of your written (word processed) solutions.
1.
Stat 301
Lab 6: Solution
Fall 2013
1. What is the relationship between the distance walked and the time it takes to deliver soft drinks to
vending machines? An industrial engineer collected 20 observations on the delivery time (in
minutes), number of case
Stat 301
Lab 5: Due October 15
Solution
1. A sociologist is interested in the relationship between the homicide rate, number of
homicides per 100,000 population (Y) and a citys population (X1) in thousands of
people, the percentage of families with yearly
Stat 301 Lab 4
Group Activity on Regression
Names of Group Members: _ANSWER KEY_, _, _
_, _, _
How long does a bar of soap last? The data consists of the weight (grams) of a bar of
soap and the number of days since the bar was first opened.
Days in use
We
Stat 301 Lab 8
Group Activity on Multiple Regression
Names of Group Members: _Answer Key_, _, _
_, _, _
October 31st is Halloween and all across the U. S. groups of children will dress up in
costumes and go from house to house for Trick or Treat. The trea
Stat 301
Lab 3
Solution
In class we looked at a random sample of cars and light trucks from 2004 to see if they
could provide information about whether or not car manufacturers were meeting the
CAFE standards. In this assignment you will look at the relat
Leverage: Point with extreme value for explanatory (x)
if hii > 4/n, then the point has high leverage
Cooks Distance: combines residual and leverage
If D > 1, then the point has high influence
P-value is divided by 2 if hypothesis test is one-tailed