Final Exam in Statistics

Front

What is the mode?

Back

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

Front

Which number is NOT the mean, median, mode, or range of the data set 4, 3, 15, 11, 3, 8, 7, 5?

Back

11 is not the mean, median, mode, or range of the data set.

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.

Front

In a normal distribution, what is the relationship between the mean, median, and mode?

Back

In a normal distribution, the mean, median, and mode are all equal.

Front

What type of correlation is shown in a plot where as one variable increases, the other variable decreases?

Back

This is a negative correlation.

Front

Define mean in statistics.

Back

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

Front

Define median in statistics.

Back

The median is the middle value of a data set when the values are arranged in ascending order.

Front

What is a dot plot?

Back

A dot plot is a simple way to display data using dots to represent individual data points.

Front

What does a positive correlation indicate?

Back

A positive correlation indicates that as one variable increases, the other variable also increases.

Front

What is the formula for calculating the range?

Back

Range = Maximum value - Minimum value.