One-Way ANOVA

 

Practice Problem

From the Data and Story Library, Cornell University (http://lib.stat.cmu.edu/DASL/)

Reference: Moore, David S., and George P. McCabe (1989).Introduction to the Practice of Statistics. Original source:Consumer Reports, June 1986, pp. 366-367.

Description: Results of a laboratory analysis of calories and sodium content of major hot dog brands. Researchers forConsumer Reports analyzed three types of hot dog: beef, poultry, and meat (mostly pork and beef, but up to 15% poultry meat).


Number of cases: 54


Variable Names:


  1. 1.Type: Type of hotdog (beef, meat, or poultry)

  2. 2.Calories: Calories per hot dog

  3. 3.Sodium: Milligrams of sodium per hot dog


Download:  Hotdog.sav

Questions:

Conduct a one-way ANOVA that compares the mean calorie levels for the types of hotdogs.


  1. 1.Write a null hypothesis.

  2. 2.Report and interpret your results - be specific.

Conduct a one-way ANOVA that compares the mean sodium levels for the types of hotdogs.


  1. 1.Write a null hypothesis.

  2. 2.Report and interpret your results - be specific.