Question 10:
Suppose there are 10 students in your class. You want to select three out of them. How many samples are possible?
Answer:Population = 10
No. of possible samples are 30 (=10 × 3)
This answer is wrong... please corelate your answers
total number of students 10
3 has to be selected out of 10.
we can select any combination of 3 students out of 10.
formula for combination is
n is the total number of observations and r is the number of observations which is to be selected.
here, n = 10
r = 3
3 has to be selected out of 10.
we can select any combination of 3 students out of 10.
formula for combination is
n is the total number of observations and r is the number of observations which is to be selected.
here, n = 10
r = 3