I have the data and need to make a prediction based on it (probability)

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SUMMARY

This discussion focuses on using linear regression to predict birth rates for the year 2010 based on a provided equation, specifically $$y=-0.1103x+234.98$$. The independent variable $x$ represents the year, and substituting $x=2010$ into the equation yields a predicted birth rate of approximately 13.277. Participants confirm this calculation, demonstrating a clear understanding of applying linear regression for predictions.

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chriskeller1
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Hello Everyone,
I really can't understand stats and it's driving me crazy.

I have data for births linked with different years, the graphic looks like this
View attachment 3382
But I need to make a prediction on the births in year 2010. How do I go about that?!
 

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It looks like you are provided with the linear regression:

$$y=-0.1103x+234.98$$

Can you see what you need to use for $x$ to get a prediction for the year 2010?
 
I'm confused... Isn't x supposed to represent the years?
 
chriskeller1 said:
I'm confused... Isn't x supposed to represent the years?

Yes, it appears to me that the independent variable $x$ is the year, and this input into the given line will give a prediction for the output, the dependent variable which is the birth rate, for that year.

So, use $x=2010$ in the given line, and what do you find?
 
Oh, so basically it's going to be 13.277?

Thank you!
 
chriskeller1 said:
Oh, so basically it's going to be 13.277?

Thank you!

Yes, that's the same value I get. (Yes)
 

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