Where have the Jelly Beans gone?
The graphs and tables above show the Android version distribution in 2014 and 2016. The blue regions denote percentage of Android devices running Jelly Bean at the given time.
In 2014, 60.7% of Android devices were running Jelly Bean, whereas in 2016, a mere 23.9% of devices were running Jelly Bean.
True or False :
From the given data, we can infer that the fewer Android devices run on Jelly Bean in 2016 as compared to 2014.
Click here to see a bigger image of the tables and pie charts.
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1 solution
Suppose there were X Android phones in 2014, Y in 2016. Note that the data does not provide us information about the number of Android phones, i.e. we do not know the values of X and Y .
There were 0 . 6 0 7 X Jellybean phones in 2014, and 0 . 2 3 9 Y Jellybean phones in 2016. We only know the percentages and not the actual number of Jellybean phones in 2014 and 2016, thus we really cannot infer whether the number of Jellybeans has decreased or increased (or stayed the same). □