Comparing Distributions and Finding Outliers

Open Ended

In your own words, what is statistics?

Multiple Choice

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

• 500 and 600

• 700

• 800 and 700

• 500

Multiple Choice

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

• 8

• 7

• 3

• 2

Multiple Choice

What is the mode? 3, 12, 12, 14, 15, 4, 12, 12, 16, 16 

• 12

• 16

• 4

Multiple Choice

Find the median of these numbers: 4,2,7,4,3

• 2

• 5

• 7

• 4

Multiple Choice

What is the shape of the distribution?

• Skewed Left 
• Skewed Right
• Symmetric
• Bimodal

Multiple Choice

What is the shape of the distribution?

• Skewed Left 
• Skewed Right
• Symmetric
• Bimodal

Multiple Choice

Describe the data distribution shape of the graph.

• Skewed right
• Skewed left
• Uniform
• Symmetrical

Multiple Choice

Describe the histogram:

• Left Skewed
• Symmetrical
• Right Skewed
• Uniform

Multiple Choice

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

• SKEWED LEFT
• SKEWED RIGHT
• UNIFORM
• SYMMETRICAL

Multiple Choice

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

• SKEWED LEFT
• SKEWED RIGHT
• UNIFORM
• SYMMETRICAL

Multiple Choice

A value that is much higher or much lower than the other values in a set of data.

• Outlier
• Box Plot
• Range
• Histogram

Multiple Choice

The data set below has an outlier of 42.
2, 5, 12, 15, 19, 4, 6, 11, 16, 18, 12, 12, 42
What effect does removing the outlier have on the distribution of the data?

• The mean will decrease
• The median will decrease
• The mean will increase
• The median will increase

Multiple Choice

The prices at several different stores for a pair of shoes are shown below.
$78, $79, $81, $82, $83
Two days later, another store has the same shoes on sale for $65. How does the new price affect the data?

• Only the range was affected.
• The median increased, and the range increased.
• The mean increased, and the range increased.
• The mean decreased and the range increased.

Multiple Choice

Describe the shape of the distribution.

• symmetric

• skewed left

• skewed right

Multiple Choice

Describe the shape of the distribution.

• symmetric

• skewed left

• skewed right

Multiple Choice

Describe the shape of the distribution.

• symmetric

• skewed left

• skewed right

Multiple Choice

Describe the shape of the distribution.

• symmetric

• skewed left

• skewed right

Open Ended

Write a CUSS statement describing this distribution.

Open Ended

Write a CUSS statement describing this distribution.

Open Ended

Compare/Contrast these box plots. Hint: Use a CUSS statement to remember all the key elements of comparison.

Multiple Choice

What is being studied?

Compare the grades on a final math test of 25 students who use calculators and 25 students who do not use calculators. The students decide which group they are in.

• 50 math students

• Their grades on the final test

Multiple Choice

Who is being studied

Compare voter satisfaction levels between people assigned to use either paper ballots or touch‐ screen machines.

• Voters

• Paper ballots or touch-screen machines

Multiple Choice

Where is this study occurring?

Determine which brands of orange juice people prefer. The people are randomly chosen at the supermarket and are asked to taste both brands without knowing which brand they are drinking.

• At a supermarket

• On a survey

Multiple Choice

Who is being studied?

Estimate the number of students in your school who play video games more than 10 hours per week.

• Students

• Your School

• Video Games

• Hours per week

Multiple Choice

What is being studied?

Decide if computer games are more effective than paper and pencil drills for children learning the multiplication tables.

• Children

• Multiplication tables

• Math drills

• Computer Games vs. Paper & Pencil Drills

Open Ended

Why might a researcher be interested in the following?

Find out if not using car seat belts increases deaths and accidents.

If you finish early...

• Complete 13.3.1 Study

• Complete 13.3.3 Quiz

• Complete 13.3.4 Journal

• Work through any past missing work.

Some text here about the topic of discussion