Statistics Test Review

What is the mode?
500, 600, 700, 800, 500, 600

• 500 and 600
• 700
• 800 and 700
• 500

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

• 8
• 7
• 3
• 2

Ervin bowled 7 games last weekend. His scores are: 155, 165, 138, 172, 127, 193, 142. What is the range of Ervin's scores?

• 193
• 127
• 60
• 66

What was the day with the least amount of cars sold? 

• Monday
• Tuesday
• Wednesday
• Thursday

How many people had 3 pets?

• 5
• 7
• 4
• 3

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

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

What is the standard deviation for the data given:

{12, 13, 29, 18, 61, 35, 21}

• 293.67

• 15.87

• 17.14

• 41.98

What percent of the data falls between 8 and 10 absences?

• 0%

• 25%

• 50%

• 75%

• 100%