# Maths stats tutor | Numerical analysis homework help

 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!