Regarding a scatterplot, a) identify one of its uses. b) what property

hexacordoK 2021-10-20 Answered
Regarding a scatterplot,
a) identify one of its uses.
b) what property should it have to obtain a regression line for the data?

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Expert Answer

Malena
Answered 2021-10-21 Author has 17857 answers
Step 1
a) It is easy to determine if the regression line slopes upwards, slopes downwards or is horizontal, without having to calculate the slope explicitely.
b) The data should be roughly have a linear pattern (points lie roughly about a line).
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