The regression model that best fit the data set is : Y=10.35-0.0467X
Explanation:
The equation of a regression line is given by;
Y=a+bX where b is the slope of the line a is the y-intercept , Y is the dependent variable and X is the independent variable
The slope b is given by;
b = n(∑xy)-(∑x)(∑y) / n(∑x² )-(∑x)²
a=(∑y)(∑x²)-(∑x)(∑xy) /n(∑x²)-(∑x)²
n is the sample size = 4
Form a table as;
x y xy x² y²
2 13 26 4 169
4 8 32 16 64
5 7.5 37.5 25 56.25
8 12 96 64 144
<u>19 40.5 191.5 109 433.25--------sum</u>
<u></u>
a=(∑y)(∑x²)-(∑x)(∑xy) /n(∑x²)-(∑x)²
a=(40.5)(109) - (19)(191.5) / 4(109) - (19)²
a=(4414.5 - 3638.5) / (436-361)
a=776/75
a=10.35
b = n(∑xy)-(∑x)(∑y) / n(∑x² )-(∑x)²
b=4(191.5)-(19)(40.5) / 4 (109)-19²
b=766-769.5 /436-361
b=-3.5/75
b= - 0.04667
The model will be represented by the equation;
Y=10.35 -0.0466X
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Keyword : regression, model, best fit, data set
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On December 31, 1492, the Catholic Kings signed in Granada a proclamation to expel Jews from the Kingdom of Castile. Ferdinand II also signed another document relating to Jews in the Kingdom of Aragon. The justification for this measure was given on the basis of a document produced by the Chief Inquisitor and personal confessor of Queen Isabella of Castile, Fr Tomas de Torquemada, a few days earlier. The arguments were purely religious in nature: measures are being taken to preserve the unity and spread the Catholic faith, because, according to numerous reports by various priests, Jews are in every way trying to assent Christians to Judaism.
Explanation:
- Reconquista is a period in the history of the Iberian Peninsula from 8th to 15th Century.
- The Spanish and Portuguese conquered their lands, occupied by the Arabs since 711.
- While in Portugal the Reconquista ended as early as the mid 13th Century, In Spain it lasted until the conquest of Granada in 1492.
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He was speaking about the division of opinion over the matter of slavery. With the north in opposition, and the south in support of slavery, he knew that the matter would come to a head, and it would not be pleasant.
He canceled farmers' debts and freed those who had become enslaved, but he refused to give away wealthy nobles' land.
Explanation:
Answer:
Plz hoped this helps i am sorry you have to read it but it is easier to explain!
Explanation:
By contrast, US GDP declined at most 5% in the severe recession of 1973-75. In general, periods of economic depression are manifest substantially reduced GDP, as well as severely high rates of unemployment, foreclosures, business closures, as well as significantly reduced wholesale and retail sales activity.