hw2_3 - STA 6127 Homework #2/3 Due 2/17/10 1-Way ANOVA Hot...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
STA 6127 – Homework #2/3 – Due 2/17/10 1-Way ANOVA – Hot Dog Calorie and Sodium Contents The hot dog data set ( hotdog.txt ) contains data on n=54 brands of hot dogs, classified by type : beef, meat, and poultry. The calorie and sodium contents are reported for each brand. The variable typenum is a numeric variable representing type (1=beef, 2=meat, 3=poultry). You will need to generate dummy variables for types: beef , and meat . 1) Fit the one-way ANOVA model, comparing calorie contents among the three types . Test for differences among the population means of the three types ( α =0.05). 2) Obtain multiple comparisons among all three pairs of types based on Bonferroni’s and Tukey’s methods. Which pairs of types are significantly different? Draw a diagram representing this. 3) Fit the linear regression model relating calorie content to the dummy variables: beef and meat . Confirm that the F-test is equivalent to that based on the one-way ANOVA. 4)
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 01/20/2012 for the course STA 6127 taught by Professor Mukherjee during the Spring '08 term at University of Florida.

Page1 / 2

hw2_3 - STA 6127 Homework #2/3 Due 2/17/10 1-Way ANOVA Hot...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online