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blondinia [14]
3 years ago
15

Adam has the scatterplot shown for his data set, where snowfall is measured in inches, and he is trying to describe the line of

best fit. Which choice correctly describes the line of best fit?
Mathematics
1 answer:
Ivanshal [37]3 years ago
8 0

Answer:

The best fit line is a regression line explaining relationship between dependent & independent variables, minimising the residual differences between observed values & actual values of dependent variable.

Step-by-step explanation:

Regression is a statistical process that explains relationship between dependent variable & independent variable(s). Scatter plot depicts the regression relationship between the variables in a graphical form.

Scatterplot showing snowfall measured in inches : is a graphical depiction of - regression relationship between snowfall as a dependent variable with its explanatory (independent) variables ; like temperature, humidity , other climate & weather factors etc.

The line of best fit would be a regression line (scatterplot), which describes the relationship of snowfall with its above mentioned explanatory variables, in such a way that the estimated value of snowfall is closest possible tothe actual values of snowfall (i.e their difference is minimum).

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How many coefficients are in the expression 5x³ - 2n² + 6x - 4?
ikadub [295]

Answer: 3 cofficients are there ( 5, 2, and 6).

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3 years ago
i have 17 coins. N of them are nickels and the rest are dimes. write an expression in two different ways for the amount of money
valkas [14]

Answer:

Step-by-step explanation:

(N)0.05 + (17-N)0.1 = M; M = amount of money I have.

Or 1.7-0.05N = M.

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3 years ago
Henrietta is giving her friend Tonya a box of Toblerone chocolate for her birthday. The Toblerone comes in
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Step-by-step explanation:

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5 0
2 years ago
VGravel is being dumped from a conveyor belt at a rate of 50 ft3/min. It forms a pile in the shape of a right circular cone whos
kupik [55]

Answer:

0.325 ft/min

Step-by-step explanation:

To solve we must follow the following steps:

First, the volume of a cone is given by the equation:

Vc = (1/3) * Pi * (r ^ 2) * h

where r is the radius and h is the height.

they tell us that the height is equal to twice the radius, therefore

h = 2r; r = h / 2

replacing r in the volume of the cone:

Vc = (1/3) * Pi * ((h / 2) ^ 2) * h

solving we have:

Vc = (1/3) * Pi * (1/4) * (h ^ 2) * h

Vc = (1/12) * Pi * h ^ 3

They give us the change in volume with respect to time, that is, dV / dt = 50

It can also be expressed in the following way:

dV / dt = (dV / dh) * (dh / dt)

We know V, so we can derive with respect to h, we are like this:

dV / dh = 3 * (1/12) * Pi * h ^ 2

dV / dh = (1/4) * Pi * h ^ 2

we know that h is equal to 14, therefore:

dV / dh = (1/4) * Pi * 14 ^ 2

dV / dh = (1/4) * 3.14 * 196 = 153.86

Now if we replace

dV / dt = (dV / dh) * (dh / dt)

50 = 153.86 * (dh / dt)

(dh / dt) =  50/158.36

(dh / dt) =  0.3249

This means that the change in height with respect to time is 0.325 feet per minutes.

4 0
3 years ago
Read 2 more answers
Use the Pythagorean Theorem to find the distance to the nearest tenth, between F(9, 5) and G(-2, 2). (Hint: Place F and G on the
artcher [175]
Put a point H on (9, 2).  Sketch a triangle out of the three points.  Distance between (-2, 2) and (9, 2) is going to be 11.  Distance between (9, 2) and (9, 5) is going to be 3.    These correspond to the a and b of the Pythagorean Theorem
c^2=a^2+b^2
c=√11^2+3^2=√130
<span>Square root of 130 is 11.4</span>
6 0
3 years ago
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