08) HS: Measures of Central Tendency II

Front

What is the mean of a data set?

Back

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

Front

How do you find the median of a data set?

Back

To find the median, arrange the numbers in order from least to greatest and identify the middle number. If there is an even number of values, the median is the average of the two middle numbers.

Front

What is the mode of a data set?

Back

The mode is the value that appears most frequently in a 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

Given the data set 67, 74, 95, 98, 98, __?__, 102, if the mean is 90, what is the missing value?

Back

96

Front

In the data set 12,10,10,10,13,12,11,13,10, 20, what is the mode?

Back

10

Front

In the data set 2,2,2,4,4,5,6,6,6,7, what is the mode?

Back

2 and 6

Front

What is the first step to find the median?

Back

Put all numbers in order from least to greatest.

Front

When would you use the mode as a measure of center?

Back

You would use the mode when you want to know the most common value in a data set, such as the choice each student selected as the answer.

Front

What is the formula to calculate the mean?

Back

Mean = (Sum of all values) / (Number of values)