Question

random samples with sise 4 are drawn from the population containing the values 14, 19, 26, 31, and 53 

Answer 1

$C^4_5 =\frac{5!}{4!1!}=5$

5 samples with size 4 can be drawn

(14,19,26,31)

(14,19,26,53)

(19,26,31,53)

(14,26,31,53)

(14,19,31,53)