Answer:
18.5
Step-by-step explanation:
3 + 16 - 2 · 1 ÷ 4
3 + 16 - .5
19 - .5
= 18.5
Step-by-step explanation:
a) rahul's age = t
rahul's age 8 yrs. back = t - 8
Step-by-step explanation:
I think that question is not correct
Answer:
The standard error of mean = 10
Step-by-step explanation:
Given a simple sample of 144 observations was taken from a large population.
The size of large sample 'n' = 144
Given sample mean and the standard deviation were determined to be 1234 and 120 respectively.
Given standard deviation of sample (S) = 120
The standard error of mean is determined by


<u>Final answer</u>:-
The standard error of mean = 10