Construct a scatterplot and identify the mathematical model that best fits the data. Assume that the model is to be used only for the scope of the given data and consider only linear, quadratic, logarithmic, exponential, and power models. Use a calculator or computer to obtain the regression equation of the model that best fits the data. You may need to fit several models and compare the values of R2.


y = 6.22 e1.39x

y = 20.14 + 13.36 ln x

y = 11.11x0.855

y = 9.56 + 5.66x

Construct A Scatterplot And Identify The Mathematical Model That Best Fits The Data. Assume That The

Answers

Answer 1

Answer:

i)

Find the attached

ii)

The mathematical model that best fits the data is;

y = 7.19 + 12.8 ln x

Step-by-step explanation:

i)

A scatter-plot can easily be constructed using applications such as Ms. Excel and Stat-Crunch.

In Ms. Excel we first enter the data in any two adjacent columns. Next, highlight the data, then click the insert ribbon and select the scatter-plot option.

Excel returns a scatter-plot chart as shown in the attachment below.

ii)

After obtaining the scatter-plot, we shall need to add a trend line in order to determine the mathematical model that best fits the data given.

Click anywhere inside the chart, then select the design tab under chart tools. Click on the Add Chart element in the upper left corner of the excel workbook and select more trend-line options. This feature will enable us to fit any trend-line to our data.

Select any trend line option ensuring you check the boxes; Display Equation on chart and Display R-squared value on chart.

Find the attached for the various trend-lines.

The mathematical model that best fits the data is;

y = 7.19 + 12.8 ln x

Since it has the largest R-squared value of 0.9905

Answer 2

The regression equation of the table of values is y = 9.56 + 5.66x

How to draw the scatter plot?

The table of values is given as:

x: 0.2 0.7 1.9 3.5 7.7

y: 3        5 35   37   47

See attachment for the scatter plot based on the above table of values

How to determine the regression equation?

To do this, we make use of a graphing calculator with the following calculation summary:

Sum of X = 14Sum of Y = 127Mean X = 2.8Mean Y = 25.4Sum of squares (SSX) = 36.48Sum of products (SP) = 206.4

The regression equation is represented as: y = a + bx

Where

b = SP/SSX = 206.4/36.48 = 5.66

a = MY - bMX = 25.4 - (5.66*2.8) = 9.56

So, we have:

y = 9.56 + 5.66x

Hence, the regression equation of the table of values is y = 9.56 + 5.66x

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Construct A Scatterplot And Identify The Mathematical Model That Best Fits The Data. Assume That The

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i’d say all are ethical it’s just they’re way of selling products. 1. advertising to children so heavily is a way of getting parents to buy the product, if a child is begging a parent for some product they seen on television most likely they will. 2. most people like unhealthy things/ junk food (i’m guessing this is about food) the more you see an advertisement about a restaurant and the food looks good the more you’re going to want to eat there. 3. manipulating audiences is a good way of selling products, doesn’t matter if it’s pretty people just buy luxury items to brag how much it was or that they have the item.

It is not ethical for companies to advertise to children so heavily. The American Academy of Pediatrics claims that too much exposure to marketing might encourage kids to smoke, drink, and eat poorly, which frequently results in obesity. Children are told by the advertising that they must have certain things in order to be happy and acceptable.

Why is advertising to children particularly troubling to ethicists?

Constantly exposing young children to complex marketing content may cause them to develop negative societal ideals like consumerism and materialism.

Children have little to no money of their own and must convince their parents to purchase things on their behalf, hence advertising to kids is unethical. Companies employ a "nag and complain" technique that fosters resentment between parents and children rather than directly marketing to parents.

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The Coahuiltecans occupied the Southern area of Texas. point True False

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Answer: true I think

Explanation:

they occupied below the Edwards Plateau to the Gulf coast

Answer:

I think its true

Explanation:

What were the reactions of each group in the different regions in British North America to the idea of Confederation? (please list a verity of different groups in different regions)

Answers

Answer:

New England, the Middle Colonies, the Chesapeake, and the Lower South.

Explanation:

The thirteen colonies of British North America that eventually formed the United States of America can be loosely grouped into four regions: New England, the Middle Colonies, the Chesapeake, and the Lower South.

PLEASE HELP I HAVE TO TURN THIS IN INNA BIT
From what we've learned about the first 5 Early Republic presidents, which one do you think was the most successful managing the domestic and/or foreign policy issues of their presidency? Give at least two examples of their leadership and why you think they were successful. Write 5-6 sentences.

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Explanation:

Thomas Jefferson probably handled foreign and domestic policies the best due to the Louisiana purchase. Hope this gives a little skeleton for your short paragraph! :)

Answer:

Thomas Jefferson definitely handled foreign and domestic policies the best due to the Louisiana purchase. Hope the sums up ur paragraph!

(I want to ask people to stop deleting my questions. Please leave my questions alone. I know some of them don't relate to educational stuff, but I just sometimes want to be a bit nice here :( )


My question :

Describe the elastic clause in the Constitution and give an example of how Congress uses it today.

Answers

Answer:

example of how Congress uses it today is how Congress needs to make laws that shall be necessary and proper for carrying into execution of the forgoing powers, and all the other powers vested by the Constitution in the Government of the department.

:)

Compare the way the Cherokee people lived before the Trail of Tears with their experiences during the journey.

Answers

Answer:

They were farming people and had been farming people for more than a thousand years. They did not live in teepees, but had permanent villages with substantial houses. At the time of their removal, the Cherokee had a higher literacy rate than the non-Indian Americans.

But then the Cherokee people were divided... What was the best way to handle the government’s determination to get its hands on their territory? Some wanted to stay and fight. Others thought it was more pragmatic to agree to leave in exchange for money and other concessions. In 1835, a few self-appointed representatives of the Cherokee nation negotiated the Treaty of New Echota, which traded all Cherokee land east of the Mississippi for $5 million, relocation assistance and compensation for lost property. To the federal government, the treaty was a done deal, but many of the Cherokee felt betrayed; after all, the negotiators did not represent the tribal government or anyone else.

By 1838, only about 2,000 Cherokees had left their Georgia homeland for Indian Territory. President Martin Van Buren sent General Winfield Scott and 7,000 soldiers to expedite the removal process. Scott and his troops forced the Cherokee into stockades at bayonet point while his men looted their homes and belongings. Then, they marched the Indians more than 1,200 miles to Indian Territory. Whooping cough, typhus, dysentery, cholera and starvation were epidemic along the way, and historians estimate that more than 5,000 Cherokee died as a result of the journey.

They were farming people and had been farming people for more than a thousand years. They did not live in teepees, but had permanent villages with substantial houses. At the time of their removal, the Cherokee had a higher literacy rate than the non-Indian Americans.

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Explanation:

three-part system involving a governor, council of advisers and an elected assembly representing each colony's citizens.

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Answers

Answer:

Explanation:

Because Northern Whigs feared that war with Mexico would result in the United States gaining new territories in the southwest, which would encourage the expansion of slavery.

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Answers

Answer:•Canadian/American Tension.1864•Coalation Government•The Charlotte Town Conferences•Threat of American Takeover•End of the Reciprocity Treaty•The Quebec Conferences•Fenian Invasion•British North America Act.1867Explanation:8 Most Important Events leading Up to Confederation

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Answers

An amendment is important because with out laws and rules in place it would be total caos
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Please help, need this ASAP!

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Answers

Answer:

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Explanation:

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Answer:

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Answers

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One of the issues at play in the interactions between the United States and the Republic of Texas was the eventual annexation of Texas by the U.S. There were two main difficulties with the issue of Texas joining the United States at the time: first, incorporating Texas into the Union might provoke Mexico

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Answer:

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Explanation:

i answered the same on the other question  

What principles are shown in the passage and how?
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Answers

LSAT questions about principles (also called “propositions” or “generalizations”) can take several forms: Identify the principle: The passage is an argument or a situation, and the principle is in the choices.

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Hope it hélps

I have been the most persevering and determined public man in my State to preserve the Union—the last to abandon the hope, that the good sense of the Nation would prevent a collision between the extremes.

–Jonathan Worth,
Letter to Springs, Oak and Co.,
May 13, 1861

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He was the last to think the South should fight for states’ rights.
He was the last to believe that the North would fight against the South.
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Answers

Answer:

Maybe #3 - He was the last to think that war was the only option left.

Answer:

D

Explanation:

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Ying Zheng (259-210 B.C.),who would reunite China,came to the Qin throne as a boy of nine.
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Answer: kid

Explanation: kid

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Answers

Answer:

Explanation:

How are the celebrations of July 1 the same today as they were in 1867?

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Like I said before parades and fireworks even though fireworks were invented in 200 B.C.

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Answers

Answer:

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prime meridian :)))))))))))))))))))))))
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