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The following are a list of ages of players on a baseball team:. 19 31 22 30 25 39 20 39 27. Please make a dot-plot of these ages. 19 31 22 30 25 39 20 39 27. 1. Select a single number to represent all of the numbers graphed above.

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the following are a list of ages of players on a baseball team

The following are a list of ages of players on a baseball team:

19 31 22 30 25

39 20 39 27

Please make a dot-plot of these ages.

slide2

19 31 22 30 25

39 20 39 27

1. Select a single number to represent all of the numbers

graphed above.

2. Select a single number to represent the center of this

distribution.

Explain how you chose each of these numbers.

three methods to measure the center of a distribution
Three Methods to Measure the Center of a Distribution
  • Mean - The ordinary “average”, found by adding all up all of a given set of numbers and dividing by the amount of numbers added.
  • Median - The middle number once all of the numbers are arranged in order from smallest to largest.
  • Mode - The number that appears the most frequently in a set of numbers.
slide4

+ + + +

+ + + =

19 20 22 25 27

30 31 39 39

Find the Mean, Median and Mode of this set of numbers:

19 31 22 30 25

39 20 39 27

27

39

252

39

252

Middle Number

28

=

Mean:

9

27

29

Median:

Mode: