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defon
3 years ago
7

An educator wants to see how the number of absences for a student in her class affects the student’s final grade. The data obtai

ned from a sample are shown.
Number of absences

26

29

32

34

36

37

Final grade

48

68

66

69

76

67
Mathematics
1 answer:
Vinvika [58]3 years ago
5 0

Answer:

Simple linear equation is :

Y = 86.784 - 2.67x

Step-by-step explanation:

The educator wants to see the relationship between no of absences and final grades of the student. No. of absence of student is independent variable while final grade is dependent variable. The final grades of the student are dependent on the no. of absence they do.

b = Sxy / Sxx

b =  { 2312 [ 37 * 422 ] / 6 } / 337 - 37^2 / 6 = -2.67

a = -2.67 * 37/6 = 86.784

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Answer:

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Given the following angles from the diagram;

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From the diagram

m<5 = m<1 = 55 degrees (corresponding angle)

m<1 + m<2 = 180 (sum of angle on a straight line)

Hence;

55 + m<2 = 180

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Also;

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Hence the angle measures that are correct are m<2 = 125degrees, m<8 = 55 degrees and m<14 = 100 degrees

Step-by-step explanation:

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2 years ago
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Step-by-step explanation:

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