View the step-by-step solution to: 1. (TCO 3) Using the following information regarding actual sales for Paradise P...

1. (TCO 3) Using the following information regarding actual sales for Paradise Pools, calculate the regression (trend) line:
Sales for Paradise Pools ($000s)

Month
First Year
Second Year

January
84
84

February
80
82

March
88
98

April
100
120

May
150
160

June
200
210

July
240
250

August
220
215

September
180
195

October
160
165

November
120
130

December
92
100

(Points : 4)
y = 122.88 + 6.60x
y = 122.88 + 1.91x
y = 106.42 + 1.91x
y = 106.42 + 6.60x


2. (TCO 3) Using the following information regarding actual sales for Sam’s Ski Supplies, project sales for March of Year 3 using simple linear regression:
Sales for Sam’s Ski Supplies ($000s)

Month
First Year
Second Year

January
380
400

February
340
360

March
320
330

April
280
290

May
265
270

June
230
235

July
220
230

August
200
205

September
210
220

October
250
270

November
400
450

December
450
502

(Points : 4)
308.62
326.94
328.61
330.28


3. (TCO 3) Using the following information regarding actual sales for Sam’s Ski Supplies, calculate the seasonal ratio for January of Year 3:
Sales for Sam’s Ski Supplies ($000s)

Month
First Year
Second Year

January
380
400

February
340
360

March
320
330

April
280
290

May
265
270

June
230
235

July
220
230

August
200
205

September
210
220

October
250
270

November
400
450

December
450
502

(Points : 4)
1.18
1.32
1.40
1.55


4. (TCO 3) Using the following information regarding actual sales for Paradise Pools, calculate the seasonal forecast of sales for April of Year 3:
Sales for Paradise Pools ($000s)

Month
First Year
Second Year

January
84
84

February
80
82

March
88
98

April
100
120

May
150
160

June
200
210

July
240
250

August
220
215

September
180
195

October
160
165

November
120
130

December
92
100

(Points : 4)
122
137
165
193


5. (TCO 3) The regression statistic that measures the degree of association between the dependent and independent variable is the: (Points : 4)
correlation coefficient.
coefficient of determination.
standard error of the estimate.
t-statistic.

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