The table shows the daily changes in the barometric pressure (in inches of mercury) for four days. What is the mean change?
Monday -0.05
Tuesday 0.09
Wednesday -0.04
Thursday -0.08
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Given : daily changes in the barometric pressure for four days.
To Find : the mean change
Solution:
Monday -0.05
Tuesday 0.09
Wednesday -0.04
Thursday -0.08
Total = - 0.08
Mean Change = (-0.08)/4 = -0.02
mean change is -0.02 inches of mercury
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