Range Rovers
Making Predictions
Mean,Median, and Mode
Populations and Samples
Biased vs Unbiased(Random)
100
Find the range of this data set: 2, 4, 5, 6, 7, 8, 10
What is 8?
100

If 16 people out of 120 chose hot dogs as their favorite food, how many would you predict to choose hot dogs out of 5,000?

667

100
Find the mean of this data set: 1, 4, 5, 6
What is 4
100

A beverage company wanted to see if people in the United States liked their new logo. What is the population?

Everyone in the U.S

100

You want to know which store shoppers at the mall visit the most. You ask each 10th person as they enter the mall which store they will visit.

Random(Unbiased)

200
True or false: the range is also known as the average.
What is false?
200

If 56 people out of 120 say nachos is their favorite food how many would you predict to choose nachos out of 5000?

2,333

200
This measure of central tendency is found by looking for the number that appears most often.
What is mode?
200

A musician wanted to see what people who bought his last album thought about the songs. What is the sample?

A selection of  people who bought the album.

200

You want to estimate the number of students in your school who want a football stadium to be built. You survey the first 20 students who attend a Friday night football game.

Biased

300
The range is found by...
What is subtracting the smallest number from the highest
300

If 35 students out of 100 chose comedy as their favorite movie genre predict how many would choose comedy out of 600 students.

210

300
Find the median of this data set: 5, 5, 5, 5, 7, 7, 7, 7
What is 6
300

A gaming website wanted to find out which console its visitors owned. What is the population?

All of the website visitors.

300

To determine if the class understood the homework assignment, the teacher checks the top 3 papers in the pile of collected homework. 

Biased

400
Find the range of this data set: 23, 34, 14, 15, 45, 67
What is 53
400

If 12 out of 60 students said that chicken nuggets were their favorite food predict how many out of 550 would say chicken nuggets are their favorite. 

110

400
Another word for mean is ________
What is average?
400

Administrators at Riverview High School surveyed 100 random seniors to see how they felt about the lunch offering at the school's cafeteria. What is the sample?

100 students surveyed

400

Each math class randomly selects two students do represent their class on an advisory panel being assembled by the principal.

Unbiased (Random)

500
True or false: the range is one of the pieces of data that is plotted on a box plot.
What is false
500

In a random sample of 300 tokens, 5 have stamping errors. Predict how many tokens out of 120,000 would have stamping errors.

2,000

500
True or false: some data sets have no mode
True
500

A toy store owner tracking how much kids spend each month on toys. Which choice best represents a population?

All of the kids who buy toys.

500

Each week a teacher randomly selects one student from each class to review homework answers with the rest of the class.

Unbiased (Random)

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