Inverse to Direct variance

In summary, the conversation is discussing how to rearrange the values of R in order to create a straight line graph. The goal is to find a proportional equation for I and F, but the individual is stuck on how to compare the numbers and what "rearrange" means. They are advised to arrange the numbers in F(R) in order from lowest to highest and fix a typo in order to easily find the proportion equation.
  • #1
tornzaer
77
0

Homework Statement



The data below:

I(A): 6 12 18 24
F(R): 240 120 80 60

Rearrange the values of R so that a straight line graph will result.

Homework Equations



I have to find a proportional equation for I and F. Something like I = F


The Attempt at a Solution



I understand I have to find the difference in proportion. Something like 60/240 and 24/6 and then I have to compare the numbers. This is where I need help. In addition, I don't know what the "rearrange" means and how will I make a straight line graph?


Please help. Thanks.
 
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  • #2
"Rearrange" means put the numbers in a different order.

Example:
1 2 4 3 can be rearranged to give 4 1 3 2.
 
  • #3
Redbelly98 said:
"Rearrange" means put the numbers in a different order.

Example:
1 2 4 3 can be rearranged to give 4 1 3 2.
I'm afraid not. It's a rule of thumb that scientific results are not "rearranged". I think it's more proportion based. I have to find the linking proportion, but that's where I am stuck.
 
  • #4
Try arranging the numbers in F(R) in order, from lowest to highest. But first fix this typo: "80" should really be "180".

If you do that, the proportion equation will be practically staring you right in the face.
 

What is the concept of "Inverse to Direct variance"?

"Inverse to Direct variance" is a statistical concept that refers to the relationship between two variables where one variable increases while the other decreases, or vice versa. In this case, the two variables have an inverse relationship, meaning that as one variable changes, the other changes in the opposite direction.

What is the difference between inverse and direct variance?

The difference between inverse and direct variance lies in their relationship between two variables. Inverse variance refers to the relationship between two variables where one increases while the other decreases, while direct variance refers to the relationship where both variables increase or decrease together.

How is "Inverse to Direct variance" calculated?

The calculation for "Inverse to Direct variance" involves finding the correlation coefficient, which measures the strength and direction of the relationship between the two variables. A correlation coefficient of -1 indicates a perfect inverse relationship, while a correlation coefficient of +1 indicates a perfect direct relationship.

What is the significance of "Inverse to Direct variance" in scientific research?

"Inverse to Direct variance" is important in scientific research as it helps identify and understand the relationship between two variables. It can also be used to make predictions about one variable based on the other and determine the strength of the relationship between the two variables.

What are some real-life examples of "Inverse to Direct variance"?

One example of "Inverse to Direct variance" is the relationship between exercise and weight loss. As the amount of exercise increases, weight decreases, demonstrating an inverse relationship. On the other hand, the relationship between study time and test scores is an example of direct variance, as more study time typically leads to higher test scores.

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