Mean of Data

Front

What is the mean of a set of numbers?

Back

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

Tags

CCSS.6.SP.B.5C

Front

How do you calculate the mean?

Back

To calculate the mean, sum all the values in the data set and divide by the number of values.

Tags

CCSS.6.SP.B.5C

Front

If the mean of 2, 4, 6, and 8 is 5, how is it calculated?

Back

(2 + 4 + 6 + 8) / 4 = 20 / 4 = 5.

Tags

CCSS.6.SP.B.5C

Front

What does it mean if the mean is higher than most of the data points?

Back

It indicates that there are some higher values in the data set that are pulling the mean up.

Tags

CCSS.6.SP.A.2

Front

What is the mean of the following data: 3, 5, 7, 9?

Back

(3 + 5 + 7 + 9) / 4 = 24 / 4 = 6.

Tags

CCSS.6.SP.B.5C

Front

If a data set has an outlier, how does it affect the mean?

Back

An outlier can significantly skew the mean, making it higher or lower than the typical values in the data set.

Front

What is the mean of the following numbers: 10, 20, 30, 40, 50?

Back

(10 + 20 + 30 + 40 + 50) / 5 = 150 / 5 = 30.

Tags

CCSS.6.SP.B.5C

Front

If the mean of a data set is 15 and there are 5 numbers, what is the total sum of the numbers?

Back

Total sum = Mean x Number of values = 15 x 5 = 75.

Tags

CCSS.6.SP.B.5C

Front

What is the mean of the following data: 1, 2, 3, 4, 5, 6?

Back

(1 + 2 + 3 + 4 + 5 + 6) / 6 = 21 / 6 = 3.5.

Tags

CCSS.6.SP.B.5C

Front

If the mean of a set of numbers is 10 and one number is removed, how can the mean change?

Back

Removing a number can increase or decrease the mean depending on whether the removed number is above or below the current mean.