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
Bol
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
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
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 observa
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 thou
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
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
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 s
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-