(PA) Unit 9 Lesson 1 - Intro to Scatter Plots

Multiple Choice

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The definition of "Bivariate" is ...

• Involving three variables or sets of data.
• Involving two variables or sets of data.
• Relating to a single variable or dataset.
• Describing a relationship among multiple variables.

Poll

A scatter plot is a graph that uses points to represent values for two different numeric variables (known as bivariate numerical data).

Poll: 1. Which set of data would best be represented by a scatter plot?

• The number of letters in the first name and favorite color.
  

• The high temperatures for July and the low temperatures for July.

• The number of pets each student in your Pre-Algebra class has.

Poll

Poll: 2. Which sample population would give you the most representative population for Herndon Middle School?

• All the students in your homeroom

• All students that take Pre-Algebra

• All 8th graders

• A random sample of all students

Multiple Choice

Mr. Rose goes to 7-11 and purchases some packages of snacks.  Which set of data can be used to model the situation using a Scatter Plot?

Categorize

Options (6)

To compare house size and price

To examine the relationship between hours studied and test scores

To determine if there is a relationship between hours on phone and hours slept

To figure out the number of the students in each grade level

To calculate the population of different cities in Virginia

To determine your classmates’ favorite types of movies

Organize these options into the right categories

Good Scatter Plot Data

NOT Good Scatter Plot Data