Mean, Median, Mode, Box and Whisker

Front

What is the definition of mode in a data set?

Back

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

Front

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

Back

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

Front

What is the median of a data set with an even number of values?

Back

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

Front

What is the definition of the lower quartile (Q1)?

Back

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

Front

What is the definition of the upper quartile (Q3)?

Back

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

Front

How do you calculate the range of a data set?

Back

The range is calculated by subtracting the smallest value from the largest value in the data set.

Front

What does a box and whisker plot represent?

Back

A box and whisker plot visually displays the distribution of a data set, showing the median, quartiles, and potential outliers.

Front

What is the purpose of finding the mean of a data set?

Back

The mean provides a measure of central tendency, representing the average value of the data set.

Front

How do you interpret a mode of 94 in a test score distribution?

Back

A mode of 94 indicates that more students scored 94 than any other score.

Front

What does it mean if 50% of students scored above a certain value?

Back

It means that the value represents the median score of the data set.