{[ promptMessage ]}

Bookmark it

{[ promptMessage ]}

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

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

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)

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

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

### Page1 / 2

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

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

View Full Document
Ask a homework question - tutors are online