Answer:
a
Step-by-step explanation:
Answer:
To find the mean, multiply the values by frequencies, add the subtotals, and divide by the total number of the frequency. Median : To find the median, calculate a running total of the frequencies, which is half the total, it contains the median that corresponds to the value.
Step-by-step explanation:
I would say C.
A and B make no sense, you want to divide the group randomly because you want to test the new medicine. D is a bit more logical than A and B but still can't, because that isn't random.
6 000 000 + 0 + 0 + 7000 + 200 + 0 + 0
Answer:
$165
Step-by-step explanation:
x = weeks
11 = amount put in per week
11 x 15
165
