Bavsut Cement Company has divided Oman into different areas. The following table shows the Population and actual Sales for the current areas in which the company does business. The table also gives the Forecast values that were calculated for each of the areas: Areas Population Sales Forecast

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Bavsut Cement Company has divided Oman into different areas. The following table shows the
Population and actual Sales for the current areas in which the company does business. The table also
gives the Forecast values that were calculated for each of the areas:
Population
(thousands)
Areas
Sales
Forecast
(millions)
(millions)
A
2.53
410
413
1.76
240
232
C
6.81
595
590
4.22
325
339
E
12.77
990
925
F
5.09
665
662
G
10.82
840
859
16.84
1,450
1329
7.65
825
853
11.34
935
933
K
6.18
830
844
a. Calculate the regression equation.
b. Calculate the correlation coefficient and interpret it.
c. The company is planning to expand into two additional areas in the coming year. The population
of these two areas are 743,000 and 387,000. What are the estimated sales that can be expected
from these two areas?
d. Compute the MAD value to arrive at the forecast accuracy.
Transcribed Image Text:Bavsut Cement Company has divided Oman into different areas. The following table shows the Population and actual Sales for the current areas in which the company does business. The table also gives the Forecast values that were calculated for each of the areas: Population (thousands) Areas Sales Forecast (millions) (millions) A 2.53 410 413 1.76 240 232 C 6.81 595 590 4.22 325 339 E 12.77 990 925 F 5.09 665 662 G 10.82 840 859 16.84 1,450 1329 7.65 825 853 11.34 935 933 K 6.18 830 844 a. Calculate the regression equation. b. Calculate the correlation coefficient and interpret it. c. The company is planning to expand into two additional areas in the coming year. The population of these two areas are 743,000 and 387,000. What are the estimated sales that can be expected from these two areas? d. Compute the MAD value to arrive at the forecast accuracy.
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