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Archy [21]
1 year ago
6

By visual inspection, determine the best fitting regression model for the data below

Mathematics
2 answers:
AVprozaik [17]1 year ago
7 0

Answer:

A) Quadratic

Step-by-step explanation: It has the U shape of a parabola which a quadratic equation has.

Lena [83]1 year ago
4 0

Answer:

The correct option is A.

Step-by-step explanation:

In a scatter plot the best fit curve in known as regression curve. Types of regression curves are

1. Linear regression line : If the best fit of a data is a straight line, then it is known as linear regression line.

2. Quadratic regression : If the best fit of a data is a U-shape curve, then it is known as quadratic regression.

3. Exponential regression : If the best fit of a data is an exponential curve, then it is known as exponential regression.

From the given graph it is clear that scatter data forms a U-shaped curve. Since the best fit of a data is a U-shape curve, therefore the quadratic regression model is best for the data.

Thus, option A is correct.

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Answer:

1 in. : 12 ft

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1 year ago
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The state of south dakota has a population of about 814,000 people. Find the population density in people per square miles if th
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Remark

Not many per square mile. Sounds like an ideal place to live.

Step One

Find the number of Square Miles.

Area = Height * Width

Area = 380 * 200

Area = 76,000 square miles.

Step Two

Find the Density

<u>Formula</u>

Density = Population / Square Miles

Population = 814,000 people

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Solve

Density = 814000/76000 = 10.7 people per square mile.

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Isn't that incredible. It means if all the Area of South Dakota were given to the people living there, each family of 4 would get roughly 1/2 a square mile.

4 0
2 years ago
We told Gavin not to run, but he did so anyway. He took 18 steps from second base, got
melamori03 [73]

Answer:

40 steps from 2nd to 3rd base

Step-by-step explanation:

18 - 7 + 3 - 5 + 11 = 20, which is halfway, so double that to get to 3rd base.

8 0
1 year ago
Jenny is taking a vacation to Florida. She travels 70 kilometers per hour for 2 hours, and 63 kilometers per hour for 5 hours. O
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Jenny traveled 70 km/h over 2 hours and 63 km/h over 5 hours. Her travel time was a total of 7 hours. 

We need to find out how far she traveled during this 7-hour period.

70 km/h * 2 h = 140 km 
63 km/h * 5 h = 315 km

Then, we can add 140 km and 315 km to get a total distance traveled of <em>455 km/h.</em>

We were asked to find the average <em>speed.</em> We can find it now, since we have total distance traveled (455 km) and total time taken (7 hours).

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2 years ago
A movie theater is offering a special summer pass. Passholders pay $8 per movie for the first 5 movies and watch additional movi
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1 year ago
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