Statistics and Making Inferences

Front

What is the mean in statistics?

Back

The mean is the average of a set of numbers, calculated by adding all the numbers together and dividing by the total count of numbers.

Front

What is the median in statistics?

Back

The median is the middle value in a data set when the numbers are arranged in order. If there is an even number of values, the median is the average of the two middle numbers.

Front

What does it mean to make an inference in statistics?

Back

Making an inference means drawing a conclusion or making a judgment about a population based on a sample of data.

Front

What is a data set?

Back

A data set is a collection of related data points or values, often organized in a table or list.

Front

How do you find the minimum in a data set?

Back

The minimum is the smallest value in a data set.

Front

What is a dot plot?

Back

A dot plot is a simple way to display data using dots above a number line, where each dot represents one data point.

Front

What is the purpose of calculating the mean?

Back

The mean provides a measure of central tendency, giving an idea of the average value in a data set.

Front

What does it mean if the mean is higher than the median?

Back

If the mean is higher than the median, it suggests that there are some high values in the data set that are pulling the average up.

Front

What is a sample in statistics?

Back

A sample is a subset of a population used to represent the whole population in statistical analysis.

Front

What is the range of a data set?

Back

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