A sample of n=8 scores has a mean of m=12. What is the value of ∑x for this sample
Answer: We are given the mean of 8 scores is 12.
We are required to find the sum of these 8 observation's,
We know that:
We are given:
Hence, sum of 8 observation's,
Answer:
912
Step-by-step explanation:
Answer:
c
Step-by-step explanation:
Let x be the number of student
x×30%=6
x=6÷30%
x=20
the number of students is 20
hope it helps c:
Answer:
Section A = $27,000Section B = $14,800Section C = $12,200
Step-by-step explanation: