Stats Vocab

numerical measurement describing some characteristic of a POPULATION

• Parameter
• Statistic
• Quantitative data
• Categorical data

a numerical measurement describing some characteristic of a SAMPLE

• Parameter
• Statistic
• Quantitative data
• Categorical data

consists of numbers representing measurements

• Parameter
• Statistic
• Quantitative data
• Categorical data

consists of names or labels representing groups

• Parameter
• Statistic
• Quantitative data
• Categorical data

A collection of data

• Data Set
• Number of Terms, n
• Sum of Data
• Center of data set

The number of points/ terms in a data set

• Data Set
• Number of Terms, n
• Sum of Data
• Center of data set

The sum of the values in the data set found by adding up all of the data.

• Data Set
• Number of Terms, n
• Sum of Data
• Center of data set

Measured by the Median or the Mean

• Data Set
• Number of Terms, n
• Sum of Data
• Center of data set

the measure of center of a data set found by adding all of the data values and dividing by the total number of data values. Often referred to as the average.

• Mean
• Median
• Mode
• Control Chart

Middle value of data set when the values are arranged in order of increasing magnitude.

• Mean
• Median
• Mode
• Control Chart