Bill's Burger owns a chain of 12 restaurants in Ohio. Sales Figures and Profits are in the table below. Sales are in millions and profits are in hundreds of thousands.

1. Calculate a regression line for the data

2. what is the probability that the regression is due to chance?

3. Are the errors in the regression relationship normally distrubuted? what is the basis of your answer, be specific

4. is the coefficient for the intercept real or zero?

5. is the coefficient for the sales real or zero?

6. Use the regression equation to forecast the profit, show your caluculations.

STORE | PROFITS | SALES |

1 | 14 | 6 |

2 | 11 | 3 |

3 | 15 | 5 |

4 | 16 | 5 |

5 | 24 | 15 |

6 | 28 | 18 |

7 | 22 | 17 |

8 | 21 | 12 |

9 | 26 | 15 |

10 | 43 | 20 |

11 | 34 | 14 |

12 | 9 | 2 |

Subject | Business |

Due By (Pacific Time) | 10/06/2013 12:00 am |

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