Introduction to Sampling and Sampling Methods

Question 1

main purpose of sampling is

Answer 1

estimate certain population parameters

Question 2

A sample has the characteristic that every element in the population has a known, nonzero probability of being included in the sample.

Answer 2

probability

Question 3

Probability Sampling Methods

Answer 3

• Simple Random Sampling
• Stratified Random Sampling
• Systematic Sampling
• Cluster Sampling

Question 4

……. is sample which every subject has an equal probability of being selected for the study.

Answer 4

Simple Random Sampling

Question 5

The recomended way to select a simple random sample is to use

Answer 5

table of random numbers or a computer – generated list of random numbers

Question 6

N

Answer 6

population size

Question 7

n

Answer 7

sample size

Question 8

Confidence interval for the population mean is

Answer 8

Interval Estimates