Using four-mean smoothing with centering, the smoothed profit for May is closest to
Chapter 4 - Time Series Unit 3

Quiz
•
Mathematics
•
12th Grade
•
Hard
jake hobbs
Used 32+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
$2502
$3294
$3503
$3804
$4651
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Using these sale figures, the seasonal index for quarter 3 is closest to
1.28
1.30
1.38
1.46
1.48
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
The time series is best described as having
seasonality only
irregular fluctuations only
seasonality with irregular fluctuations
a decreasing trend with irregular fluctuations
an increasing trend with irregular fluctuations
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
The seven-median smoothed maximum wind speed, in kilometres per hour, for day 4 is closest to
22
26
27
30
32
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The seasonal index for the sales of cold drinks in a shop in January is 1.6. To correct the January sales of cold drinks for seasonality, the actual sales should be
reduced by 37.5%
reduced by 40%
reduced by 62.5%
increased by 60%
increased by 62.5%
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
The seasonal index for Wednesday is 0.84. This tells us that, on average, the number of meals served on a Wednesday is
16% less than daily average
84% less than the daily average
the same as the daily average
16% than the daily average
84% more than the daily average
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Last Tuesday, 108 meals were served in the restaurant. The deseasonalised number of meals served last Tuesday was closest to
93
100
110
131
152
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