Chapter 1 Statistics

Front

What is Bivariate data?

Back

Bivariate data involves two variables and is a special case of multivariate data.

Front

What is a bar chart used for?

Back

A bar chart is most appropriately used for categorical data sets.

Front

What is inferential statistics?

Back

Inferential statistics involves generalizing from a sample to the population from which it was selected.

Front

Define frequency distribution.

Back

Frequency distribution is a table that displays the possible categories along with the associated frequencies and/or relative frequencies.

Front

What types of data sets can a frequency distribution be made of?

Back

A frequency distribution can be made of both categorical and numerical data sets.

Front

What is the purpose of descriptive statistics?

Back

Descriptive statistics is used for organizing and summarizing data, such as the use of tables, graphs, or numerical summaries.

Front

What is the mean in statistics?

Back

The mean is the average of a data set, calculated by dividing the sum of all values by the number of values.

Front

What is the median?

Back

The median is the middle value of a data set when it is ordered from least to greatest.

Front

What is the mode?

Back

The mode is the value that appears most frequently in a data set.

Front

What is a histogram?

Back

A histogram is a graphical representation of the distribution of numerical data, showing the frequency of data points within specified ranges.