Big Ideas Chapter 9

Front

What is the mode in a set of numbers?

Back

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

Front

How do you find the median of a data set?

Back

To find the median, you must first sort the data from least to greatest, then identify the middle number.

Front

What does mean absolute deviation represent?

Back

Mean absolute deviation measures the average distance of each data point from the mean of the data set.

Front

How do you calculate the mean of a set of numbers?

Back

To calculate the mean, add all the numbers together and divide by the total count of numbers.

Front

What is the median of the following set of numbers: 36, 42, 28, 52, 48, 36, 31?

Back

The median is 36.

Front

What is the mode of the following set of numbers: 7, 14, 20, 3, 7, 14, 2, 14, 7?

Back

The mode is 7 and 14.

Front

What is the first step in finding the median?

Back

The first step is to sort the data from least to greatest.

Front

What is the mean of the following numbers: 2, 57, 38, 42, 6?

Back

The mean is 29.

Front

What does it mean if a data set has a high mean absolute deviation?

Back

A high mean absolute deviation indicates that the data points are spread out over a wider range from the mean.

Front

What is the definition of 'mean' in statistics?

Back

The mean is the average of a set of numbers, calculated by dividing the sum of the numbers by the count of numbers.