Assume we’re given the following data relating restaurant sales and the number of competitors within one mile
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QUESTION 1
Assume we’re given the following data relating restaurant sales and the number of competitors within one mile:
# competitors within one mile | Sales (in $k) |
1 | 3.6 |
1 | 3.3 |
2 | 3.1 |
3 | 2.9 |
3 | 2.7 |
4 | 2.5 |
5 | 2.3 |
5 | 2.0 |
Let's derive the regression equation relating sales (y) and the number of local competitors (x):
y = b0 + b1x,
We want to compute the equation parameters b0 and b1
a) what are the values of ∑ x , xbar (the average of the x values), and (∑ x)2?
b) ∑y ,ybar (the average of the y values) and (∑ y)2?
Question 2
Compute the monthly seasonal indices for the following data, using a twelve-month moving average:
- 9 years ago
Assume we’re given the following data relating restaurant sales and the number of competitors within one mile
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