WorksheetsSampling and Estimation
Total questions: 17
Worksheet time: 11mins
One way to control sampling risk is to increase sample size
True
False
There are three phases in both statistical and nonstatistical sampling. The first phase is to
generate random numbers for the sample
evaluate the results
plan the sample
select the sample
Which of the following is not a phase in the planning of both statistical and nonstatistical sampling?
Plan the sample
Determine the probability that fraud has occurred
Select the sample and perform the tests
Evaluate the results
What sampling method are you using if you survey every 5th person who enters the room.
Convenience
Systematic
Simple Random
What sampling method are you using if you survey the students in the school whose names are picked out of a hat?
Convenience
Systematic
Simple Random
Surveying the students in one home room is an example of which type of sampling method?
Convenience
Systematic
Simple Random
You assign the students in your class a number and choose 6 numbers from a basket. What sampling method are you using?
Convenience
Systematic
Simple Random
Parameters are
numerical characteristics of a sample.
numerical characteristics of a population.
the averages taken from a sample.
numerical characteristics of either a sample or a population.
Sample is different from population because...
a set of items selected from the population
a measuring variable for every unit in the population
a complete set
a study done before the actual framework
What is statistical estimation?
Methods for rounding answers in statistical calculations.
Methods to determine the best graph to represent statistical data.
Methods for reducing errors in inferential statistics.
Methods for reducing errors in descriptive statistics.
