Calculating mean, median and mode

The value that occurs the most frequently in a data set is known as the _____.

• Mode

• Mean

• Range

• Median

Which of the following describes the best approach to finding the median of an even set of numbers?

• Select whichever of the numbers appears to fall in the middle of the data set

• Calculate the average of the two highest and two lowest numbers in the set

• Place numbers in ascending or descending order, calculate the average of the middle terms

• Determine which of the numbers in the set is found most frequently

The following data set represents the average annual temperatures for 10 European countries in 2016 (Celsius). Calculate the range. 1.75, 9.8, 7.55, 10.55, 5.8, 9.45, 19.2, 18.45, 16.2, 5.8

• 19.2

• 17.45

• 20.95

• 1.75

The following data set represents the minimum wage for 1990-2000. Calculate the median. (As this is money, round to two decimal places.) 8.25, 9.80, 7.25, 7.25, 8.44, 8.75, 8.44, 9.50, 9.60, 9.50

• 9.50

• 7.80

• 7.25

• 8.60

The following data set represents the average number of children per family for 10 countries in 2014. Calculate the mean number of children per family. 5.8, 6.1, 1.9, 1.4, 2.6, 2.8, 1.3, 4.4, 4.4, 1.7

• 3.24

• 4.8

• 4.4

• 5

What is the mode?

• number that occurs the most

• the average

• biggest - smallest

• the middle number

Tags

CCSS.4.MD.B.4

Find the mean of these numbers:

5,11,2,12,4,2

• 4.1

• 6

• 4.5

• 4

Tags

CCSS.7.NS.A.3

What is the mean?

• number that occurs the most

• the number in the middle

• biggest-smallest

• the average

If there is an even number of data in the data, set how do you find the median?

• Order the data and find the middle value.

• Order the data add the 2 middle values and divide by 2.

The mode score on the Mr. Ro's 6th grade math test was 94! Which of these interpretations must be correct?

• 99 was the highest score on the test.

• More students received a 94 than any other score

• No student scored below a 50

• A score of 91 was slightly below average.