Measures of Center

Take 1 minute to get scrap paper/pencil or whiteboard/marker

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Multiple Choice

Describe the histogram. Tap to enlarge image.

• Left Skewed

• Normal/Symmetrical

• Right Skewed

Multiple Choice

What is the overall shape of the graph? Tap to enlarge image.

• Normally Distributed

• Skewed left

• Skewed right

Multiple Choice

How would you describe this distribution? Tap to enlarge image.

• Left skewed

• Symmetrical/normal

• Right Skewed

Multiple Choice

What is the shape of this data? Tap to enlarge image.

• symmetric/normal

• skewed left

• skewed right

Fill in the Blank

Find the MEAN of 76, 68, 72, 70, 77, 73. Use a calculator.

Round to the nearest hundreth (2 decimal places)

Fill in the Blank

Find the MEDIAN of 68, 70, 72, 73, 76, 77.

Write the exact answer.

Multiple Choice

When the data is normally distributed, the mean and the median are:

• about the same

• far away from each other

Multiple Choice

According to the notes, which measure of center should be used when the data is mostly symmetrical/normal?

• mean

• median

Fill in the Blank

Find the MEAN of 76, 45, 72, 70, 77, 73. Use a calculator.

Round to the nearest hundreth (2 decimal places)

Fill in the Blank

Find the MEDIAN of 45, 70, 72, 73, 76, 77.

Write the exact answer.

Multiple Choice

According to the notes, which measure of center should be used when the data is skewed?

• mean

• median

Multiple Choice

This data is...

• approximately normal

• skewed left (left tail)

• skewed right (right tail)

Multiple Choice

From the previous slide, which measure of center was more affected/changed by the outlier?

• mean

• median

Multiple Choice

According to the notes, which measure of center should be used when the data is skewed?

• mean

• median

Multiple Choice

Which measure of center would be better?

• MEAN because it is NORMAL

• MEAN because it is SKEWED

• MEDIAN because it is NORMAL

• MEDIAN because it is SKEWED

Multiple Choice

Which measure of center would be better?

• MEAN because it is NORMAL

• MEAN because it is SKEWED

• MEDIAN because it is NORMAL

• MEDIAN because it is SKEWED

Multiple Choice

Which measure of center would be better?

• MEAN because it is NORMAL

• MEAN because it is SKEWED

• MEDIAN because it is NORMAL

• MEDIAN because it is SKEWED