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Arturiano [62]
4 years ago
5

Guess the correlation coefficient, r. ​

Mathematics
1 answer:
sattari [20]4 years ago
8 0

Answer:

It would most likely be 0.9.

Step-by-step explanation:

The correlation coefficient ranges from -1 to 1 and is dependent on how strong the correlation is between the points. It cannot be 1.2 as it is above one and it cannot be 1 because all the points do not line up on the line of best fit. However, most do, so we can assume that there a strong positive linear relationship which means 0.9 would be the correct answer. The close r gets to zero means the less of a correlation there is. The line of best fit isn't negative so it cannot be -0.23 and it has a strongly positive correlation, not a weak one so it isn't 0.13.

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A pineaple is 7 times heavy as an orange. The pineaple also weighs 870 grams more than the orange.
Lisa [10]

Answer:

1060 grams

Step-by-step explanation:

let the weight of the orange be x, then

pineapple weighs 7x, and also x + 870

equating the 2 expressions for the weight of the pineapple

7x = x + 870 ( subtract x from both sides )

6x = 870 ( divide both sides by 6 )

x = 145

The orange weighs 145 grams and the pineapple 145 + 870 = 1015 grams

Total weight of both = 145 + 1015 = 1060 grams


3 0
3 years ago
Differentiate each function. Do not expand an expression before differentiating.
algol [13]
F'(x)= 4 (2x+3)^3 times 2 = 8 (2x+3)^3 .
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3 years ago
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Nikitich [7]
It is 600. because you have to make a graph
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3 years ago
Y= x-v<br> b<br> Solve for x
Naily [24]

Answer:

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Step-by-step explanation:

just add v to the other side

3 0
3 years ago
What are the steps to solving this following equation? Put answer and steps.<br> (5) * (-9) * (-2)
lakkis [162]

Answer:

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Step-by-step explanation:

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7 0
3 years ago
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