Answer:
Step-by-step explanation:
Both Boxplots A and B have the same lower quaratile ranges well as the same median. However the old system had a larger upper quartile range,whilst the upper quaratile range of Box plot B was shorte.r
Answer:2/6 or 1/3
Step-by-step explanation:
The third choice is very useful. It's valid because two things that are both equal to 'y' are equal to each other, and it can be easily solved to find 'x'.
Answer:
£365
Step-by-step explanation:
so add another column and call it midpoint. use the weekly earnings column to find the midpoints add both numbers then divide by 2
then times all these numbers by the corresponding frequencies
1 * 200=200
11 * 300=3300
5 * 400=2000
0 * 500=0
3 * 600=1800
then add these numbers =7300 then do 7300/20=365
8, 8, 8, 8, 8, 9, 9, 9, 9 would work as a sequence.
Median: 8
Mean: 8.4444....
