Sampling and Means
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How long does it take to travel to work Monday thru Friday for 10 days?
Monday = 30 + 35 /2 = 65/2 = 32.5 or 32 ½ or 0.10485
Tuesday = 35 + 25 /2 = 60/2 = 30 or 0.09675
Wednesday = 30 + 30 = 60/2 = 30 or 0.09675
Thursday = 25 + 30 /2 = 55/2 = 27.5 or 27 ½ or 0.0887
Friday = 35 + 35 = 70 /2 = 35 or 0.1129
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Top portion is done!!!
Now, that I have driven an additional 5 more days to work Monday thru Friday.
Monday = 30 + 35 + 20 =
Tuesday = 35 + 25 + 30 =
Wednesday = 30 + 30 + 20 =
Thursday = 25 + 30 + 25 =
Friday = 35 + 35 + 20 =
Is the larger sample changing anything?
Is your mean increasing or decreasing?
Do you think the current sample you have is enough to paint an accurate picture, or do you need a much larger sample?
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Solution Summary
Sampling and means are investigated.
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Please see the attached Excel file for calculations.
As is evident from the fractions column, the ...
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