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

1. (TCO 3) Using the following information regarding actual sales for Seafood City, calculate the regression (trend) line:

Sales for Seafood City (\$)

Day

Week 1

Week 2

Monday

1,700

1,800

Tuesday

1,900

2,000

Wednesday

2,100

2,100

Thursday

2,300

2,200

Friday

4,200

4,300

Saturday

4,400

4,600

Sunday

2,100

2,200

(Points : 4)
y = 2,092.31. + 81.98x
y = 2,092.31 + 121.98x
y = 1,892.31 + 81.98x
y = 1,892.31 + 81.98x

Question 2.2. (TCO 3) Using the following information regarding actual sales for Paradise Pools, project sales for May of Year 3 using simple linear regression:

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)
168.79
174.52
178.35
180.26

Question 3.3. (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

Question 4.4. (TCO 3) Using the following information regarding actual sales for Paradise Pools, calculate the seasonal forecast of sales for April of Year 3:

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

Question 5.5. (TCO 3) The regression statistic that measures the accuracy of regression predictions is the: (Points : 4)
correlation coefficient.
coefficient of determination.
standard error of the estimate.
t-statistic.

Dear student Please accept the solution attached. If you need... View the full answer

1)
Day
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday

week 1

week2
1700
1800
1900
2000
2100
2100
2300
2200
4200
4300
4400
4600
2100
2200
2671.4285714 2742.8571428572

2760

2720
2700...

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