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12345 [234]
3 years ago
13

How do you find a regression equation

Mathematics
1 answer:
elena55 [62]3 years ago
3 0

Answer:

A regression coefficient is the same thing as the slope of the line of the regression equation.

Step-by-step explanation:

The equation for the regression coefficient that you'll find on the AP Statistics test is: B1 = b1 = Σ [ (xi – x)(yi – y) ] / Σ [ (xi – x)2].

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PLZ PLZ HELP
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It is the third one on the graph.

5 0
3 years ago
A car dealership has 55 cars and 11 vans. What is the ratio of cars to vans?
JulijaS [17]
It is 55:11. What number can both those numbers divide by? 11.
55/11=5
11/11=1

So the answer is 5:1.
6 0
3 years ago
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What triangle is similar to triangle STU?<br> A) XYZ<br> B) XZY<br> C) YXZ<br> D) ZXY
bixtya [17]

Answer:

The correct answer is ZXY

Step-by-step explanation:

hopr it helps

have a great day

:)

6 0
3 years ago
Which problem would have the solution of 30.8? Why <br> 110 x 2.8 or 11 x 2.8
Softa [21]

Answer:

11 times 2.8

Step-by-step explanation:

11 times 2 is 22. 11 times .8 is 8.8. 22 plus 8.8 is 30.8

6 0
3 years ago
Please answer the attachment with an answer, and tell me how to do it for brainliest, and 75 points.
lorasvet [3.4K]
1) find the mean,
               20+10+30+20+50+30+40+20/8= 27.5
2) Find the distance of each value from that mean
               20- 7.5
               10- 17.5
               30- 2.5
               20-7.5
               50- 22.5
               30- 2.5
               40- 12.5
               20- 7.5
3) Find the mean of those distances
               7.5+17.5+2.5+7.5+22.5+2.5+12.5+7.5/8=10

The Mean absolute deviation for this data set is 10.
3 0
4 years ago
Read 2 more answers
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