Finding the Mean from a Dot Plot

What is another common term for 'mean' in statistics?

• Median

• Average

• Mode

• Range

How do you calculate the mean of a set of numbers?

• None of the above

• Multiply all numbers and take the square root

• Add all numbers and divide by the total count

• Divide the sum of numbers by the maximum value

What is the purpose of using a dot plot in finding the mean?

• To calculate the median

• To simplify the addition process

• To visualize data distribution

• To find the mode of the data

How many bike rides were recorded in the dot plot example?

• 20

• 22

• 18

• 15

What is the sum of all bike ride distances from the dot plot?

• 120

• 130

• 100

• 112

What is the calculated mean of the bike ride distances?

• 6.22

• 7.0

• 5.5

• 6.5

How is a repeating decimal indicated in the results?

• Using an asterisk (*)

• With a bar above the repeating number

• By rounding up

• By writing 'repeat'

What does rounding to the tenths place result in for the mean?

• 6.22

• 6.3

• 6.0

• 6.2

If rounding to the hundredths place, what is the mean of the bike rides?

• 6.25

• 6.22

• 6.30

• 6.20

What unit of measurement is used in the bike ride distances?

• Feet

• Kilometers

• Meters

• Miles