The least-squares regression line is ________. a. the line that passes through the most data points.
b. the line that minimizes the vertical distances of the data points from the line.
c. the line such that half of the data points fall above the line and half fall below the line.
d. All of the choices are correct.

Answers

Answer 1

Answer:

Answer:

a. the line that passes through the most data points.

Step-by-step explanation:

Regression analysis, is used to draw the line of‘ best ﬁt’ through co-ordinates on a graph. The techniques used enable a mathematical equation of the straight line form y=mx+c to be deduced for a given set of co-ordinate values, the line being such that the sum of the deviations of the co-ordinate values from the line is a minimum, i.e.

The least-squares regression lines is the line of best ﬁt

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mike is taking a his social studies test . mike was only able to finish 1/6 of the test in 1/2 hour. how long will it take him to finish the test?

Answers

$1-(1)/(6)=(5)/(6)\n\n\begin{array}{ccc}(1)/(6)\ of\ the\ test&-&(1)/(2)\ h\n\n(5)/(6)\ of\ the\ test&-&x\ h\end{array}\ \ \ \ |cross\ multiply\n\n\n(1)/(6)x=(1)/(2)\cdot(5)/(6)\n\n(1)/(6)x=(5)/(12)\ \ \ \ \ |multiply\ both\ sides\ by\ 6\n\n\boxed{x=(5)/(2)=2.5\ (h)}\leftarrow time\ he\ will\ have\ to\ do\ the\ test\n\n\ntotal\ test\ time:2.5\ h+0.5\ h=3\ h$

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What is the distance between point A and point B to the nearest tenth?A. 6.0
B. 9.0
C. 4.2
D. 1.4

Answers

3^2+3^2=|AB|^2
18=|AB|^2
|AB|=4.2

Answer C.

What is 3.75x-5-8.75+4.5+0.5 I need help ASAP it is a simplify the expression question

Answers

Answer:

3.75x-8.75 or

Step-by-step explanation:

Jamal borrowed $625 from his brother 8 years ago. Jamal repaid his brother in full with $830. What simple annual interest rate did Jamal pay?A. 4.0%
B. 4.1%
C. 4.2%
D. 4.3%

Answers

Answer: b 4.1%

Step-by-step explanation:

B. 4.1%. ...................

at a local fitness center, members pay a $6 membership fee and $5 for each aerobics class . nonmembers pay $6 for each aerobics class . for what number of aerobics classes will not cost for members and nonmembers be the same ?

Answers

When each member or non member takes 6 classes, the cost to each of them will be the same.

For members: 6 (membership) + 6(5) = 36

For nonmembers, 6 classes cost 6(6) = 36

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SOLVE THISSS (3x+6)/3=-1

Answers

Answer:

x = −3 TRUSSSSSSTTTT MEE

Step-by-step explanation:

THE PERSON ABOVE ME SAID -3

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