Review measure of Central Tendency

Front

What is the mean in a data set?

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

Can there be more than one mode in a data set?

Back

Yes, a data set can have more than one mode if multiple values appear with the same highest frequency.

Front

What is the median of the numbers 10, 20, 30, 40, 50?

Back

The median is 30, which is the middle number when the data is sorted.

Tags

CCSS.6.SP.B.5C

Front

How do you find the median of a data set?

Back

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

Tags

CCSS.6.SP.B.5C

Front

What is the mode of the numbers 1, 2, 2, 3, 4?

Back

The mode is 2, as it appears most frequently in the data set.

Tags

CCSS.6.SP.B.5C

Front

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

Back

If a data set has no mode, it means that no number appears more than once.

Tags

CCSS.6.SP.A.2

Front

What is the midrange of a data set?

Back

The midrange is calculated by taking the average of the highest and lowest values in the data set.

Tags

CCSS.6.SP.B.5C

Front

What is the median of the numbers 5, 3, 8, 7, 2?

Back

First, sort the numbers: 2, 3, 5, 7, 8. The median is 5.

Tags

CCSS.6.SP.B.5C

Front

Is the mean always the best measure of central tendency?

Back

No, the mean can be affected by extreme values (outliers), so sometimes the median or mode is a better measure.

Tags

CCSS.6.SP.B.5D

CCSS.HSS.ID.A.2

Front

What is an outlier in a data set?

Back

An outlier is a value that is significantly higher or lower than the other values in the data set.