Your answer would be 4.
If we substitute in x = -8 and y = -4 into the expression, we get:
This then becomes:
= 
= 4.
I hope this helps!
18 6/7<em /> is the awnser
Answer: 2.) J
Step-by-step explanation:
x values -> 2-6 = 4
(4,6)
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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