Stats Test

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 would best represent this data?

• Mean

• Median

• Mode

• Range

Which class has the higher median?

• 1st period

• 2nd period

• They have the same median

Which class did better on the test?

• 1st period

• 2nd period

• They both performed the same

How is the data distributed in this histogram?

• Symmetrically

• Skewed Right

• Skewed Left

What does the standard deviation tell us about the data set?

• How spread out the numbers are

• How much each number in the data set increases by

• How much each number in the data set decreases by

Find the median of the data set
9, 8, 7, 11, 7, 16, 3

• 8
• 7
• 3
• 2

What is the mean of this set of data?

2, 15, 7

• 24

• 3

• 6

• 8

If you score 76, 85, 97, and 83 on your last 4 math tests, what would the score of your 5th test have to be to receive a 87 in the class?

• 94

• 90

• 85

• 88

-most frequently occurring number in a data set

• mean
• median
• mode
• range