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a)A restaurant in Kisumu City has recorded its weekly sales over a 5- month period as follows: Sales in ksh'000' Week-1 Week-2 Week-3 Week-4 JANUARY
a)A restaurant in Kisumu City has recorded its weekly sales over a 5- month period as follows:
Sales in ksh'000'
Week-1
Week-2
Week-3
Week-4
JANUARY
2500
1750
1200
3100
FEBRUARY
2650
1800
1400
3350
MARCH
2800
2000
1500
3400
APRIL
2850
1950
1450
3650
MAY
2900
2050
1750
3800
Required:
i)Calculate the seasonal indices for each week using multiplicative index (4 Marks)
ii)Establish the trend line using ordinary least square (OLS) method(8 Marks)
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