If 14 out of 20 is correct, then that is : 14/20 = 0.70 = 70%
It would be $9 per hour all you have to do is divide 54 by 6 you get 9, unit rate is 1
I hope this helps
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
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Question A: 14
Question B: 30min
