kritalewis
14.03.2022 •
Mathematics
Olivia notices that if she picks a very large scale for her y axis, her data appear to lie more along a straight line then if she zooms the scale all the way in. She concludes that she can use this to increase her correlation coefficient and make a more convincing case that there is a correlation between the variables she is studying. Is she correct?
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Ответ:
Complete question :
Rama subtracted 7 from thrice the number of marbles she has, and she gets the result as 20. Find the number of marbles she has
9 marbles
Step-by-step explanation:
Let The number of marbles she has = x
3 times the total - 7 = 20
That is ;
3x - 7 = 20
3x = 20 + 7
3x = 27
x = 27/3
x = 9
Number of marbles she has = 9