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postnew [5]
3 years ago
9

A scientist is studying the relationship between the depth of a watermelon vines’ roots and the weight of the watermelons produc

ed. The scientist collects measurements from a random sample of vines. He then conducts a significance test in which the null hypothesis is that there is no correlation between the two variables versus the alternative that the correlation is greater than 0. From this test he found a P-value of 0.0032. What does this tell us?A) There is significant evidence that the correlation is greater than 0 at the 0.05 level.B) There is no significant evidence that the correlation is greater than 0 at the 0.05 level.
C) The correlation is very small.D) The correlation is very close to 1.
Mathematics
1 answer:
Firdavs [7]3 years ago
7 0

Answer:

The answer is b

Step-by-step explanation:

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13x^8 + 4x^5 - 16x^2 try this

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A map has a scale of 1 in: 10 mi. On the map, the distance between two cities is 5 inches. What is the actual distance between t
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Step-by-step explanation:

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Equation for ( 6, 13) ( 7900, 5 )
tia_tia [17]

For this case we have that by definition, the equation of the line in the slope-intersection form is given by:

y=mx+b

Where:

m: It is the slope of the line

b: It is the cut-off point with the y axis

We have the following points through which the line passes:

(x_ {1}, y_ {1}) :( 6,13)\\(x_ {2}, y_ {2}): (7900,5)

We find the slope of the line:

m = \frac {y_ {2} -y_ {1}} {x_ {2} -x_ {1}} = \frac {5-13} {7900-6} = \frac {-8} {7894} = - \frac {4} {3947}

Thus, the equation of the line is of the form:

y = - \frac {4} {3947} x + b

We substitute one of the points and find b:

13 = - \frac {4} {3947} (6) + b\\13 = - \frac {24} {3947} + b\\13+ \frac {24} {3947} = b\\b = \frac {51335} {3947}

Finally, the equation is:

y = - \frac {4} {3947} x + \frac {51335} {3947}

Answer:

y = - \frac {4} {3947} x + \frac {51335} {3947}

5 0
3 years ago
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