Data Measurement and Statistics Quiz

Which of the following is a type of data that can be measured and subdivided into smaller portions?

• Discrete data

• Continuous data

• Locational data

• Binary data

What is the term used for a subset of a population?

• Sample

• Parameter

• Statistic

• Variable

Which statistical measure is calculated by summing all data points and dividing by the number of data points?

• Median

• Mode

• Average (Mean)

• Standard deviation

Which measure of dispersion is the square root of the variance?

• Range

• Standard deviation

• Mean

• Median

In a normal distribution, what percentage of data lies within ±2 standard deviations from the mean?

• 68.26%

• 95.44%

• 99.73%

• 50%

A population includes all possible observations of a particular phenomenon.

• True

• False

A statistic is a measure that describes a characteristic of a sample.

• True

• False

The range is the difference between the highest and lowest values in a data set.

• True

• False

The median is greatly affected by outliers in a data set.

• True

• False

Discrete data provides more detailed information than continuous data.

• True

• False