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Movie

Twitter Activity

Receipts

The Devil Inside

219509

14763

The Dictator

6405

5796

Paranormal Activity 3

165128

15829

The Hunger Games

579288

36871

Bridesmaids

6564

8995

Red Tails

11104

7477

Act of Valor

9152

8054

 

A.     What is the independent variable (X) and what is the dependent variable (y)

 

 

B.     Write a null and alternative hypothesis statement

 

 

 

C.     What is the R-squared value and interpret it’s meaning?

D.    What is the correlation coefficient and interpret it’s meaning?

 

 

E.     Predict the receipts for a movie that has a Twitter activity of 100,000 using the linear regression formula generated after you run the regression analysis in Excel (just like we did in the lecture notes)

F.     At the 95% significance level, is there significant evidence of a relationship between Twitter activity and receipts?

 

G.    Do you accept or reject the null hypothesis?

 

 

 

H.    Based upon your answers above, provide us with a paragraph (3-4 sentence) conclusion that would be appropriate to explain the results to a senior executive that isn’t as familiar with statistics as you are!

Part 2 – Two Sample Hypothesis Testing

Using the Retirement funds spreadsheet, please determine if there is a significant difference between the average rate of return on Large Value and Large Growth stock funds.

I.      What are the two variables of interest?

 

 

J.      Write a null and alternative hypothesis statement

K.     At the 95% significance level, is there significant evidence of a difference between fund rate of returns?

 

 

L.     Do you accept or reject the null hypothesis?

 

 

 

M.   Based upon your answer above, provide us with a paragraph (3-4 sentence) conclusion that would be appropriate to explain the results to a senior executive that isn’t as familiar with statistics as you are!