What's the difference between a nonlinear graph and no correlation? Is a nonlinear graph basically not a straight line? (e.g.- a quadratic graph) and it's no correlation is the points are plotted "randomly," right?

No corellation mean that its not positive or negative and non linear mean that its not line and dont relate

is this going to help me in the real world when I'm 20

Well, it might. You might need to use this to analyze your spending and saving habits. Is your money spending going up as you get older? Questions like these, graphs like such can help you with.

is this going to help me in the real world when I'm 20

tbh this is the one of only things in math that's actually useful in real life. we don't want stupid people misinterpreting information and spreading it.

What is the difference between "no association" and "nonlinear association"? Thanks!

No association means that there is no line and all the dots are scattered. Nonlinear association means that the dots are close to each other but are not in a _line_.

How can you tell if a correlation is strong or weak?

Consider its absolute value (| |). An acceptable strength criteria varies by discipline. For some, it is > [65]; for others [.9]. Still other disciplines assign adjectives according to the value (e.g., strong, very strong, etc.,

how do we tell the difference between a positive,negative and neutral association?

A positive association is when the line on the graph is moving upward, like in Problem 1. You see, the line is moving up. Therefore, it is a positive association. In Problem 2, the line is moving down. That is called a negative association. No association is like in Problem 3, when there isn't a clear line at all. I hope this helps!

Main content

Course: Integrated math 1 > Unit 9

Lesson 1: Creating and interpreting scatterplots

Positive and negative associations in scatterplots

Google Classroom

We make scatterplots to see relationships between variables. Scatterplots are really good for helping us see if two variables have positive or negative association (or no association at all).

Problem 1: Flower height and petal length

Sam measured the height and petal length (in centimeters) of all the flowers in his garden.


Height $(cm)$ ‍	$30$ ‍	$20$ ‍	$15$ ‍	$35$ ‍	$10$ ‍	$40$ ‍
Petal length $(cm)$ ‍	$6$ ‍	$4$ ‍	$2$ ‍	$8$ ‍	$1.5$ ‍	$8.5$ ‍

question a

Plot the data in a scatterplot.

question b

What is the best description of the relationship between height and petal length for Sam's flowers?

question c

Which statement is the most accurate interpretation of the association?

Problem 2: Car driver age

Data was recorded on the age of drivers and the number of car accidents per

100

drivers in the year

2009

. The data is shown in the scatterplot below.

question A

What is the best description of the relationship between age and the number of car accidents?

question b

Which statement is the most accurate interpretation of the association?

Problem 3: Shoe sizes and test scores

Dexter's class recorded data on the test grades and shoe sizes of students in the class. The data is shown in the scatterplot below.

question a

What is the best description of the relationship between shoe size and test scores?

question b

Which statement is the most accurate interpretation of the association?

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Edwinchen2016
Posted 7 years ago. Direct link to Edwinchen2016's post “What's the difference bet...”
What's the difference between a nonlinear graph and no correlation? Is a nonlinear graph basically not a straight line? (e.g.- a quadratic graph) and it's no correlation is the points are plotted "randomly," right?
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- Kelvin Sowah
  Posted 6 years ago. Direct link to Kelvin Sowah's post “No corellation mean that ...”
  No corellation mean that its not positive or negative and non linear mean that its not line and dont relate
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300029653
Posted 4 years ago. Direct link to 300029653's post “is this going to help me ...”
is this going to help me in the real world when I'm 20
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- Vic
  Posted 3 years ago. Direct link to Vic's post “Well, it might. You might...”
  Well, it might. You might need to use this to analyze your spending and saving habits. Is your money spending going up as you get older? Questions like these, graphs like such can help you with.
  Comment on Vic's post “Well, it might. You might...”
  (6 votes)
Levi B s4/5
Posted a year ago. Direct link to Levi B s4/5's post “is this going to help me ...”
is this going to help me in the real world when I'm 20
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- 980038407
  Posted a year ago. Direct link to 980038407's post “tbh this is the one of on...”
  tbh this is the one of only things in math that's actually useful in real life. we don't want stupid people misinterpreting information and spreading it.
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  (14 votes)
Jenna McClure
Posted 5 years ago. Direct link to Jenna McClure's post “What is the difference be...”
What is the difference between "no association" and "nonlinear association"? Thanks!
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(10 votes)
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- Aarush Gogineni
  Posted 5 years ago. Direct link to Aarush Gogineni's post “No association means that...”
  No association means that there is no line and all the dots are scattered. Nonlinear association means that the dots are close to each other but are not in a line.
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chalmersb2028
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Hi if you see this then {insert npc wave here}
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  poop u bro
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why is math so important in our daily life $$$
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Peace
Posted 7 years ago. Direct link to Peace's post “How can you tell if a cor...”
How can you tell if a correlation is strong or weak?
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- robert.vaul
  Posted 7 years ago. Direct link to robert.vaul's post “Consider its absolute val...”
  Consider its absolute value (| |). An acceptable strength criteria varies by discipline. For some, it is > [65]; for others [.9]. Still other disciplines assign adjectives according to the value (e.g., strong, very strong, etc.,
  Comment on robert.vaul's post “Consider its absolute val...”
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cainsantoyo023
Posted 5 years ago. Direct link to cainsantoyo023's post “how do we tell the differ...”
how do we tell the difference between a positive,negative and neutral association?
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(5 votes)
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- Lexi
  Posted a year ago. Direct link to Lexi's post “A positive association is...”
  A positive association is when the line on the graph is moving upward, like in Problem 1. You see, the line is moving up. Therefore, it is a positive association. In Problem 2, the line is moving down. That is called a negative association. No association is like in Problem 3, when there isn't a clear line at all. I hope this helps!
  Button navigates to signup page
  (2 votes)
Brian Pedregon
Posted a year ago. Direct link to Brian Pedregon's post “This is not the Last of P...”
This is not the Last of PEDTROL!
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Ryan
Posted 6 years ago. Direct link to Ryan's post “why is the check button s...”
why is the check button so tiny
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- MillieBobbyBRown_el6
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  idk
  maybe...its because you need to zoom out
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