7th Study Guide: Data Analysis Ch 9

What measure represents the value that repeats the most

• Mode

• Median

• Mean

What measure represent the average

• Mode

• Median

• Mean

What measure represents the value in the center?

• Mode

• Median

• Mean

The Mean, Median and Mode are also known as?

• Central tendency Measures

• Middle values

• Center values

• Tendency of the middle

The number of pages that Carolyn wrote in her journal each day from Monday to Friday is shown below: 
9, 8, 12, 6, 10
What is the mean number of pages she wrote per day?

• 5
• 6
• 9
• 11

At Donald's Donuts the number of donut holes in a bag can vary. Help Donald find the mode of the number of donut holes per bag described in the sample below:
{12,10,10,10,13,12,11,13,10}

• 13
• 12
• 11
• 10

A data set can have more than one _______

• Median
• Mode
• Mean
• Midrange

Roger bowled 7 games last weekend. His scores are: 155, 165, 138, 172, 127, 193, 142. What is Roger's median score?

• 127
• 155
• 156
• 193

What do you do if there are two numbers in "the middle" when you are finding the median?

• Pick your favorite number
• Add the two numbers in the middle & then divide by two.
• They are both the median
• None of the above

To find the average of a set of numbers, add up all the items and divide by...

• 2.
• The smallest number
• The largest number
• The number of items in the set.