Histograms

Histograms

​Algebra 1 Block

​1. Describe the data distribution:

​

​2. What is the best measure of center?

​Mean or Median

​

​3. What is the best measure of variation?

​Standard deviation or 5 number summary

​Example

Multiple Choice

How many people at the bowling alley were ages 6 to 25?

• 12

• 5

• 7

• 16

Multiple Choice

How many times did she practice for at least 45 minutes?

• 6

• 7

• 9

• 12

Multiple Choice

How many times did she practice for less than 30 minutes?

• 13

• 12

• 9

• 17

Multiple Choice

Describe the data distribution of this graph.

• Skewed left

• Symmetric

• Skewed right

• Uniform

Multiple Choice

Would the mean or median be the best measure of center?

• Mean

• Median

• Neither

Multiple Choice

Would the standard deviation or the 5 number summary be the best measure of variance?

• Standard deviation

• 5 number summary

• Neither