Feb 19 B2: BW: Mean and Mode- Dot Plots

Front

What is the Mode of a data set?

Back

The number that occurs most often in a set of numbers.

Front

What is the Mean of a data set?

Back

The sum of a set of numbers divided by the number of numbers in the set.

Front

How do you calculate the Mean?

Back

Add all the numbers together and divide by the count of numbers.

Front

What is a Dot Plot?

Back

A graphical display of data using dots to represent the frequency of values.

Front

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

Back

It means no number appears more than once in the data set.

Front

If the data set is 1, 2, 2, 3, 4, what is the Mode?

Back

2, because it appears most frequently.

Front

If the data set is 5, 5, 6, 7, 8, what is the Mean?

Back

The Mean is (5+5+6+7+8)/5 = 6.

Front

What is the Median?

Back

The middle number in a data set when arranged in numerical order.

Front

How do you find the Median in an even set of numbers?

Back

Average the two middle numbers after arranging the data.

Front

What is the range of a data set?

Back

The difference between the highest and lowest values in the set.