Data Management

What is the range?

• The sum of the largest and smallest number in a set.

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

• The number in the middle of a set of numbers.

• The number that appears most often in a set of numbers.

What is the median?

• The number that appears most often in a data set.

• The difference between the largest and smallest number of a data set.

• The average of a data set.

• The central number of a data set.

What is the mode?

• The average.

• The number that appears most often.

• The largest number - the smallest number.

• The number in the middle.

Jean bowled 7 games last weekend. Her scores are: 15, 16, 13, 17, 12, 19, 14. What is the range of Jean's scores?

• 19

• 12

• 7

• 6

In order to find the median, the data must be sorted from least to greatest first.

• True

• False

The number of Km that Sophia cycled each week for a 7-week period is shown:

36, 42, 28, 52, 48, 36, 31

What is the median number of miles Sophia cycled?

• 36

• 24

• 39

• 52

In 9 boxes of skittles the number of red skittles was different.

Find the mode of the red skittles.

12,10,11,10,13,12,10,13,10

• 10

• 12

• 10 and 12

• no mode

Analyse the graph and answer...

What is the least popular social media platform for ages 30-49?

• Twitter

• Snapchat

• Instagram

• WhatsApp

Analyse the graph and answer...

Which day has more minutes of homework?

• Monday

• Tuesday

• Wednesday

• Thursday

The graph below shows the number of sunny days and rainy days in a city during four months.

Based on the graph, about how many more sunny days than rainy days did this city have during the months of April, May, and June?

• About 20

• About 40

• About 50

• About 100