A
What does the word "Statistics" mean?
The practice of collecting and analyzing data
What is a "Sample"?
A Sample is a part of population and should be representative of the population.
What is a "Survey"?
A question or set of questions designated to collect information.
When 30 students names are written on slips of paper and then one name is randomly selected, this is called.....
Simple Random Sample
When students of a school are divided into 6th, 7th and 8th grade, and a random person from each grade is selected, this sampling method is called....
Satisfied Random Sample
If every 10th customer at a store is given a survey, this sampling method is called.....
Systematic Random Sample
........ is obtained using a valid sampling method that is random and is representative of the population.
An unbiased sample
When a sample is not representative of the population, it is a ..........
Biased Sample