STATS 4TH QUARTER PRE-ASSESSMENT

It is the total number of elements from which the data under consideration shall be obtained.

• Parameter

• Population

• Sample

• Statistic

It is used to describe the characteristic of a population.

• Parameter

• Population

• Sample

• Statistic

It is used to label the characteristics of a population.

• Parameter

• Population

• Sample

• Statistic

It is a process where each member of the population has an equal chance of being selected to form a sample.

• Population parameter

• Random sampling

• Sampling error

• Statistic

A representative of the population.

• Sample mean

• Population mean

• Sample

• Population

An unbiased estimate of the population mean.

• Sample mean

• Population mean

• Sample

• Population

The difference between each sample and the population mean is called ______.

• Population parameter

• Random sampling

• Sampling error

• Statistic

What test statistic must be used to evaluate problems involving sampling distribution of the sample mean for normal population when the variance is known?

• σ

• t

• µ

• z

What test statistic must be used to evaluate problems involving sampling distribution of the sample mean for normal population when the variance is unknown?

• σ

• t

• µ

• z

If the population is normally distributed, the sampling distribution of the sample mean is normally distributed for any sample size.

• True

• False