One Variable Statistics P4

Front

What is the definition of median in statistics?

Back

The median is the middle value in a data set when the numbers are arranged in ascending or descending order.

Front

How do you calculate the median of a data set with an odd number of values?

Back

To find the median, arrange the data in order and select the middle value.

Front

How do you calculate the median of a data set with an even number of values?

Back

To find the median, arrange the data in order and take the average of the two middle values.

Front

What is a quartile in statistics?

Back

A quartile is a type of quantile that divides a data set into four equal parts.

Front

What is the first quartile (Q1)?

Back

The first quartile (Q1) is the median of the lower half of the data set, representing the 25th percentile.

Front

What is the second quartile (Q2)?

Back

The second quartile (Q2) is the median of the data set, representing the 50th percentile.

Front

What is the third quartile (Q3)?

Back

The third quartile (Q3) is the median of the upper half of the data set, representing the 75th percentile.

Front

What is a dot plot?

Back

A dot plot is a statistical chart that consists of dots representing the frequency of data points.

Front

How do you determine the total number of data points represented in a dot plot?

Back

Count the total number of dots in the dot plot, as each dot represents one data point.

Front

What is the range of a data set?

Back

The range is the difference between the maximum and minimum values in a data set.