Finding Statistics

How do you find the median of a data set that has two middle numbers?

• You pick the higher middle number

• You pick the lower middle number

• Add the two middle numbers and divide it by 2

• Subtract the two middle numbers and divide by 2

Which measure of central tendency best represents this data?

• Mean

• Median

• Mode

• Range

The mean of this data set is 17.8. What would happen to the mean if 40 was added to the data set?

• The mean would not change

• The mean would go up

• The mean would go down

Which class has the higher median?

• 1st period

• 2nd period

• They have the same median

How is the data distributed in this histogram?

• Symmetrically

• Skewed Right

• Skewed Left

How is the data distributed in this histogram?

• Symmetrically

• Skewed Right

• Skewed Left

Which of the following best describes the shape of the distribution?

• SKEWED LEFT
• SKEWED RIGHT
• UNIFORM
• SYMMETRICAL

Which of the following best describes the shape of the distribution?

• SKEWED LEFT
• SKEWED RIGHT
• UNIFORM 
• SYMMETRICAL

What is the best measure of central tendency and spread of the data set?

• median and mean absolute deviation

• median and interquartile range

• mean and mean absolute deviation

• mean and interquartile range

What is the shape of the distribution?

• Left skewed

• Symmetrical

• Right Skewed

• Uniform