5 Number,IQR,MAD, CT

Front

What is the median in a data set?

Back

The median is the middle value 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

How do you find the lower quartile (Q1)?

Back

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

Front

What is the maximum value in a data set?

Back

The maximum value is the largest number in a set of data.

Front

How do you calculate the Mean Absolute Deviation (MAD)?

Back

To calculate MAD, find the mean of the data set, then find the absolute differences between each data point and the mean, and finally average those absolute differences.

Front

What is the mode of a data set?

Back

The mode is the number that appears most frequently in a data set. If no number repeats, there is no mode.

Front

What is the interquartile range (IQR)?

Back

The interquartile range (IQR) is the difference between the upper quartile (Q3) and the lower quartile (Q1). It measures the spread of the middle 50% of the data.

Front

How do you find the upper quartile (Q3)?

Back

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

Front

What does it mean if a data set has no mode?

Back

If a data set has no mode, it means that no number appears more than once.

Front

How do you determine the range of a data set?

Back

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

Front

What is a box plot?

Back

A box plot is a graphical representation of a data set that shows the median, quartiles, and any outliers.