# Question: historical demand for a product is demand january 12 february...

###### Question details

Historical demand for a product is:

DEMAND | |

January | 12 |

February | 9 |

March | 13 |

April | 12 |

May | 14 |

June | 13 |

**a.** Using a weighted moving average with weights
of 0.60 (June), 0.30 (May), and 0.10 (April), find the July
forecast. **(Round your answer to 1 decimal
place.)**

July forecast

**b.** Using a simple three-month moving average,
find the July forecast. **(Round your answer to 1 decimal
place.)**

July forecast

**c.** Using single exponential smoothing with
*α* = 0.10 and a June forecast = 11, find the July forecast.
**(Round your answer to 1 decimal place.)**

July forecast

**d.** Using simple linear regression analysis,
calculate the regression equation for the preceding demand data.
**(Do not round intermediate calculations. Round your
intercept value to 1 decimal place and slope value to 2 decimal
places.)**

*Y* = + *t*

**e.** Using the regression equation in *d*,
calculate the forecast for July. **(Do not round intermediate
calculations. Round your answer to 1 decimal place.)**

July forecast