Scatter Plot Analysis

​Scatter Plot Analysis

By CHELSEA DAVIS

Bell Work

Complete all questions. Store away all devices and get out white board and markers for practice.

Multiple Choice

A pizzeria charges $12 per pizza plus an additional $3 for delivery. Which equation represents the cost of having any number of pizzas delivered?

• c = 12p + 3
• c = 12p
• c = 3p
• c = 12 + 3p

Multiple Choice

Find the function rule.

• y = -2x +10
• y = -2x -10
• y = 2x +10
• y = 2x-10

Multiple Choice

A plumber charges a service fee of $40 plus $25 per hour for labor.
(A) Write a function rule for the total cost of hiring the plumber for a job that takes x hours.
(B) How much would it cost to hire the plumber for a job that takes 4 hours?

• (A) y = 40 + 25x
  (B) $140
• (A) y = 40x + 25
  (B) $185
• (A) y = 40 + 25x 
  (B) $185
• (A) y = 40x + 25 
  (B) $140

Multiple Choice

What does f(1990)=214 mean in the context of the problem?

• In 1990 there were 214 million people with health insurance

• In 214, there were 1990 people with health insurance

• When there are 1990 people, the year is 214

• None of these

Independent Practice

Multiple Choice

When looking at a scatter plot, there are three types of association:

• linear, nonlinear, no
• positive, negative, no
• linear, circular, no
• up, down, no

Multiple Choice

What is the correlation between length of running start and distance of jump?

• positive:  the further you run the further you jump
• negative: the less you run the less distance of your jump
• positive: the further your running start the less your distance

Multiple Choice

Which scatter plot shows a linear relationship between x and y?

• Graph A
• Graph B
• Graph C
• Graph D

Multiple Choice

What type of association does this graph have?

• positive 
• negative
• none
• all of the above

Multiple Choice

What is the correlation?

• Negative correlation
• No correlation
• Positive correlation
• All of the above

Multiple Choice

The scatter plot below shows the number of books read by students in Mrs. Hall’s English class and their final grades. Which statement represents the best description about the line of best fit?

• The more books students read, the lower their English grade.
• The more books students read, the higher their English grade.
• The fewer books students read, the higher their English grade. 
• No relationship exists between the number of books students read and their English grades. 

Multiple Choice

Describe the correlation in the graph shown.

• Strong Negative
• Strong Positive
• Weak Negative
• Weak Positive

Multiple Choice

A trucking company keeps track of the number of miles each of its drivers logs each week.  Describe the correlation between the number of miles a driver logs and the drivers age.

• There is a positive correlation.
• There is a negative correlation.
• There is no correlation.
• There is a parallel correlation

Multiple Choice

A scatter plot is...

• A linear equation
• A graph with dots all over it
• A graph of numerical data on two variables
• A representation of categorical data

Multiple Choice

Based on the scatterplot, which of the following conclusions about the relationship between her height and weight is true?

• There is a negative relationship between height and weight

• There is a positive relationship between height and weight

• There is a constant relationship between height and weight

• There is no relationship between height and weight

Multiple Choice

A data point that is far away from other points and doesn't fit the general pattern is...

• a single point
• an outlaw
• forgotten data
• an outlier

Multiple Choice

When points in the scatter plot appear to form two or more distinct clouds of points, it's called...

• clusters
• bunches
• groups
• cliques

Multiple Choice

When the data shows an upward trend: 

• positive correlation
• negative correlation
• no correlation

Multiple Choice

As the independent variable increases, the dependent variable decreases

• positive correlation
• negative correlation
• no correlation

Multiple Choice

When the scatter plot shows an increase in the outputs as the inputs are increasing

• positive correlation
• negative correlation
• no correlation

Multiple Choice

No correlation or association is when...

• there is a nonlinear trend.
• the data is not close together.
• there is no relationship between the data.
• there is a negative linear trend.

Multiple Choice

What type of association or correlation does the scatter plot represent?

• positive
• negative
• no

Multiple Choice

What can you conclude about the relationship between body mass and bite force of a crocodile?

• As bite force decreases, body mass increases.
• As body mass increases, bite force decreases.
• As body mass increases, bite force increases.
• There is no relationship.

Multiple Choice

What kind of relationship does this scatter plot represent?

• positive, linear
• negative, linear
• negative, nonlinear
• no relationship

Multiple Choice

Describe the relationship represented in the scatter plot.

• As shoe size increases, reading score increases.
• As shoe size increases, reading score decreases.
• As shoe size increases, there is no change in reading score.
• This scatter plot doesn't show a relationship,

Exit Pass
Out the Door

Multiple Choice

Which scatter plot shows a linear relationship between x and y?

• Graph A
• Graph B
• Graph C
• Graph D

Multiple Choice

As the age of the car increases, its value decreases. Which scatterplot represents this relationship?

• A
• B
• C
• D

Multiple Choice

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books.  Use the trend line to predict how many chapters would be in a book with 180 pages. 

• 12 chapters
• 15 chapters
• 18 chapters
• 21 chapters

Multiple Choice

What type of correlation does this graph have?

• positive
• negative
• none
• all of the above