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den301095 [7]
3 years ago
12

What is the slope of the line shown below(-1,6)and(32-3)

Mathematics
1 answer:
andrew-mc [135]3 years ago
8 0
The answer would be 9/-33. The formula for slope is M= y-y1/x-x1. 6-(-3) is 9, so that your numerator. -1-31 is -33 so that's your denominator.
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Answer:

There is a linear correlation between chest size and weight,0.8482

Step-by-step explanation:

Given that for a sample of eight​ bears, researchers measured the distances around the​ bears' chests and weighed the bears.

the value of the linear correlation coefficient is r = 0.921.

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H_0: r=0\\H_1: r\neq 0

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Test statistic t = \frac{r\sqrt{n-2 } }{\sqrt{1-r^2}} \\=5.791

p value <0.00001

Since p is less than 0.05 we reject H0

a) There is a  linear correlation between chest size andweight

b)--  R^2 = 0.8482 proportion of the variation in weight can be explainedby the linear relationship between weight and chest size

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