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jarptica [38.1K]
3 years ago
9

One year, in school A, 162 students leave and 109 go to university. In school B, 75 students leave and 68 go to university. Comp

are the percentages of students going to university from each school
Mathematics
2 answers:
eduard3 years ago
5 0

Answer:

in school a , 67.3 % of leaving students go to university.

in school b ,90.7% of leaving students go to university

Step-by-step explanation:

zloy xaker [14]3 years ago
5 0

Answer:

school A = 67,28

school B = 90,6

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The regression equation is calculated as: ŷ = -0.99299X + 26.39918

<h3>How to solve for the regression equation</h3>

We have these data for the x axis

12 15 20 22 15 8 6 17

These are the values for the y axis

17 15 6 7 6 18 21 7

Sum of X = 115

Sum of Y = 97

Mean X = 14.375

Mean Y = 12.125

Sum of squares (SSX) = 213.875

Sum of products (SP) = -212.375

Regression Equation = ŷ = bX + a

b = SP/SSX = -212.38/213.88 = -0.99299

a = MY - bMX = 12.13 - (-0.99*14.38) = 26.39918

ŷ = -0.99299X + 26.39918

These values where inputted into a regression analysis calculator and the output is ŷ = -0.99299X + 26.39918

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brainly.com/question/26843436

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