Question

The means and mean absolute deviations of the amount of rain that fell each day in a local city, last week and this week, are shown below.

Means and Mean Absolute Deviations of

Rainfall Last Week and This Week


Last Week

This Week

Mean

19.7 cm

19.3 cm

Mean Absolute Deviation


4.6 cm


5.2 cm


The difference in the mean rainfall is approximately what percent of the mean absolute deviation of the data sets?

A.8%

B.23%

C.27%

D.67%

Answer 1

Answer: The correct answer is 8%

Step-by-step explanation: The difference in the mean rainfall is approximately what percent of the mean absolute deviation of the this week’s rainfall is 8% . Plz mark me!! Have a great day :)

Answer 2

It's 8% because if you write out .4 of 4.9=___, that equals to .4/4.9=x/100 which is basically .5/5=x/100. Then, since 5x20=100, that means .5x20=x. You would get 8.