Statistics Quiz Lessons 1-3

Obtaining data by watching an event take place is called ______.

• Observation

• Survey

• Systematic

• Stratified

Which measure of central tendency is best for the data set? (Mean Median or Mode) and what is the value of that measurement?

12, 13, 15, 16, 19, 20, 21, 22, 24

• Mode -

• Mean - 18

• None of these

• Median - 19

The average of a set of data is also known as the ______.

• Outlier

• Median

• Mean

• Mode

A value in the data that is extremely different than the rest of the values is known as what?

• Median

• Observation

• Mean

• Outlier

The most used number in a set of data is called the ______.

• Mode

• Median

• Mean

• Population

A data value that is a number is referred to as ______ data.

• Systematic

• Qualitative

• Quantitative

• Mode

Obtaining data by asking questions is referred to as a ______.

• Observation

• Survey

• Experiment

• Population

The entire group that a sample is chosen out of is known as the ______.

• Sample

• Stratified

• Mean

• Population

A sample that is picked by selecting a certain amount from different subgroups of the population is called a ______ sample.

• Sample

• Stratified

• Systematic

• Experiment

The middle number(s) when a set of data is listed from least to greatest is called the ______.

• Outlier

• Mode

• Median

• Mean