A _______is one where each item in the universe has an equal chance of known opportunity of being selected.

(a)

Parameter

(b)

random sample

(c)

statistic

(d)

entire data

A random sample is a sample selected in such a way that every item in the population has an equal chance of being included ______.

(a)

Harper

(b)

Fisher

(c)

Karl Pearson

(d)

Dr. Yates

Which one of the following is probability sampling

(a)

purposive sampling

(b)

judgment sampling

(c)

simple random sampling

(d)

Convenience sampling

In ________ the heterogeneous groups are divided into homogeneous groups.

(a)

Non-probability sample

(b)

a simple random sample

(c)

a stratified random sample

(d)

systematic random sample

Errors in sampling are of  ______.

(a)

Two types

(b)

three types

(c)

four types

(d)

five types