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Trava [24]
2 years ago
9

Hey um... I have a question about Cumulative frequency diagram. Its in the picture. Please help I will give you reward I promise

. If you need any clarification I will respond.​
Reward: 30 pts​

Mathematics
1 answer:
Mice21 [21]2 years ago
5 0

Answer: see below

Step-by-step explanation:

(i)

200/2 = 100

Find 100 on cumulative frequency and the correspinding time: 14 minutes. So the answer is 14 minutes.

(ii)

First, find the lower quartile —> 200/4 = 50

Upper quartile —> 200/(3/4) = 150

Find the difference: 150 - 50 = 100

So the interquartile range is 100

For detailed, step-by-step explanations you can visit my fiverr account: kesja_

I provide detailed explanations for math questions for as little as $1!

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<u>Substitut</u><u>ion</u><u> </u><u>Method</u><u>:</u>

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