Statistics and Probability - Ex 8C

Each dot represents 1 day. How many days were recorded?

• 9
• 21
• 20
• 105

How many trouts weighed MORE THAN 450 grams?

• 8
• 14
• 11
• 10

What is the highest score in the class?

• 88%
• 100%
• 13
• 98%

What is the range of the test scores?

• 15
• 100
• 6
• 10

How many students received a score in the 90s?

• 6
• 2
• 91%
• 17

How many total students were surveyed about their number of brothers and sisters? (add up all of the dots)

• 15

• 10

• 6

What is the mean of the data? (0's still count as numbers)

• 2.1333...

• 32

• 15

• 2.46

What is the median of the data?

• 2

• 1

• 3

• 12

What is the mode of the data?

• 2

• 1

• 4

• 12

The dot plot represents the results of a survey that

asked some people how many times they had flown overseas.

Use the graph to state how many people have flown

overseas once.