Question

Item 8Item 8 Professor Hardtack chose a sample of 7 students from his statistics class of 35 students by picking every student who was wearing red that day. Which kind of sample is this

Answer 1

Stratified Sampling

Explanation:

1)Since Professor Hardtack divided the population according to a specified characteristic then this is a stratified sampling. Notice that a criteria other than geographical has been used by Mr. Hardtack to make it.

2) So He stratified its sample, because the people wearing red that day made part of that strata used.