Lilly bought a $35 teddy bear and she only had $25 how can she make more money without a job? (she is a child)
1 answer:
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The coefficient of determination can be found using the following formula:
Using a Statistics calculator or an online tool to work with the data we were given, we get
So the best aproximation of r² is 0.861
There's only information to answer question C.
We can only know that 32 marbles were chosen. (yellow and black)
Why?
To answer the first two questions (a and b), we need to know the total number of marbles, so, we can only answer the last question (c).
We know that 7/10 of the 20 yellow marbles were chosen.
So, calculating we have:
Also, we know that 18 black marbles were chosen, so, the total of marbles chosen is equal to 32 (yellow marbles and black marbles)
Have a nice day!