Word Problems: Regression #9

November 4, 2008 by  
Filed under Word Prob

You sell ice cream. You wonder if the number of almonds you put in your almond-fudge ice cream predicts the number of cartons of ice cream you sell per day. Here is your data from last week (you’re closed on Sunday):

              Almonds     Cartons 
                   1                 3 
                   5                 3
                   8                 4
                 12                 4
                 15               13
                 19                 4

What is the mean of Almonds: ________

What is the SS for Almonds: ________

What is the mean of Cartons: ________

What is the mode of Cartons: ________

What is the SS for Cartons:  ________

Since you are interested in how well one test acts as a linear predictor of another, which of the following tests should you perform:

a. t-test
b. ANOVA
c. correlation
d. regression
e. multiple regression

Perform the comparison you selected in the item above. Select only the appropriate one(s). What was the result of your calculations?

a =  

b = 

r =

t =

F =

If there are 6 nuts, how many cartons will the person buy?

Based on this data, how many almonds should you put in your ice cream?

 

 

Answers

 

 

NOW YOU CHOOSE:
    Day 6: Regression
    Bit More About Regression
    Even More About Regression
    Calculate Regression
    Practice Problems
    More Practice Problems
    Word Problems
        Sim1       Sim2         Sim3
        Sim4       Sim5         Sim6
        Sim7       Sim8         Sim9
    Basic Facts About Regression
    Vocabulary
    Formulas
    Quiz 6
    Summary

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