Question 5  Use the information attached to answer Question 5 and Question 6. The table below shows the sales (in packets) of a commodity at a supermarket over a three-year period,  together with appropriate totals and values of a four - point moving average. Find the value of w. A. 127 B. 246.5  C. 242 D. 246 Question 6  Find the values of x and y? A. x = 483, y = 118.75 B. x = 483, y = 59.375 C. x = 241.5, y = 118.75 D. x = 241.5, y =59.375

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
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Question 5 
Use the information attached to answer Question 5 and Question 6.
The table below shows the sales (in packets) of a commodity at a supermarket over a three-year period, 
together with appropriate totals and values of a four - point moving average.
Find the value of w.
A. 127
B. 246.5 
C. 242
D. 246


Question 6 
Find the values of x and y?
A. x = 483, y = 118.75
B. x = 483, y = 59.375
C. x = 241.5, y = 118.75
D. x = 241.5, y =59.375

Centred
Sales
Four-quarter
totals
moving
average
values
Year
Quarter
(number of packets)
Centred totals
2005
57
II
64
248
II
68
494
61.75
w
IV
59
491
61.375
245
2006
55
490
61.25
245
63
487
60.875
242
II
68
60.375
241
IV
56
481
60.125
240
2007
54
479
59.875
239
II
62
475
y
236
II
67
IV
53
Transcribed Image Text:Centred Sales Four-quarter totals moving average values Year Quarter (number of packets) Centred totals 2005 57 II 64 248 II 68 494 61.75 w IV 59 491 61.375 245 2006 55 490 61.25 245 63 487 60.875 242 II 68 60.375 241 IV 56 481 60.125 240 2007 54 479 59.875 239 II 62 475 y 236 II 67 IV 53
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