Question

Find mode of the data 15 14 19 20 14 15 16 14 15 18 14 19 15 17 15 if the last observation is changed to 14 then find the new mode

Answer 1

Answer:

Firstly, arrange the data in increasing order.

14,14,14,14,15,15,15,15,15,16,17,18,19,19,20

Here, as we see that 15 occurs many times, so the mode is 15

And if we change the last observation into 14

Then we have 14 as many times , so in that case we have 14 as mode.

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