6.11 Measures of Center

Front

What is the average score of Joe (85), Jill (89), and Bill (99)?

Back

91

Front

Define the mean in statistics.

Back

The average.

Front

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

Back

36

Front

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

Back

Add up all the items and divide by the number of items.

Front

What is the formula for calculating the mean?

Back

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

Front

What is the difference between mean and median?

Back

Mean is the average, while median is the middle value when data is ordered.

Front

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

Back

Average the two middle values.

Front

What is the mode in a data set?

Back

The value that appears most frequently.

Front

If a data set has no repeating numbers, what is the mode?

Back

There is no mode.

Front

What is the range of a data set?

Back

The difference between the highest and lowest values.