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Mathematics 22 Online
OpenStudy (anonymous):

help plz

OpenStudy (anonymous):

OpenStudy (anonymous):

Could I have a metal from the last question and I will help you with this one

OpenStudy (anonymous):

you got the last question wrong

OpenStudy (anonymous):

@jim_thompson5910

OpenStudy (anonymous):

@campbell_st

OpenStudy (anonymous):

@mathmate

OpenStudy (anonymous):

@wio

OpenStudy (anonymous):

@texaschic101

OpenStudy (anonymous):

@dan815

OpenStudy (anonymous):

are there any similarities between them

OpenStudy (anonymous):

im not sure

OpenStudy (anonymous):

What can you tell me about the graph

OpenStudy (anonymous):

@perl

OpenStudy (anonymous):

you cant see the pic

OpenStudy (anonymous):

I want you to tell me

OpenStudy (anonymous):

I already know what the answer is

OpenStudy (anonymous):

there are no similarties

OpenStudy (mathmate):

@normavalenzuela

OpenStudy (anonymous):

and based off that what can you say

OpenStudy (mathmate):

This is a very vague question that is subject to interpretation, and I hate to be in your shoes. If you look at the points, you will see that as we move to the right, the cost appears to increase. Look at the middle 4 points, they increase with age. Look at the top two points, they increase with age. Look at the bottom 3 points, they also increase with age. However, the increases are very small, but are definite. That makes a very small positive correlation. So technically, the correlation is positive. Practically, we cannot depend on such a small and vague correlation to do anything useful and would be considered no correlation. So your expected answer could go either way. To show that the correlation is technically positive, I have calculated its value as approximately +0.156; approximate because many of the values are estimated from the graph. In fact, the graph is not even drawn properly as indicated by the fact that the x-intervals are not uniform. They are widened when the x-values become double-digits.

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