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r-ruslan [8.4K]
3 years ago
14

a university is comparing the grade point averages of biology majors with grade point averages of engineering majors. the univer

sity wants to test whether there is a significant difference in the hpa for students in the two majors what are the null and alternative hypotheses that should be used to test this claim
Mathematics
1 answer:
Ronch [10]3 years ago
7 0

Answer:

H0 : μEng = μBio

H1: μEng ≠ μBio

Step-by-step explanation:

μEng = Engineering average gpa

μBio = Biology average gpa

To test for difference between two sample means , in this case grade point average of biology majors and Engineering major.

Null hypothesis is the initial truth, which is that ; there is no difference in the mean grade point average of both biology and engineering majors

H0 : μEng = μBio

The Alternative hypothesis is the opposite of the null, which is stated has ; there is difference between the average GPA of both Engineering and Biology majors

H1: μEng ≠ μBio

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Answer:

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Step-by-step explanation:

According to the scenario, computation of the given data are as follows,

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By putting the value in the formula, we get

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To make that graph you follow these steps.
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- vertical axis: y
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- negative x-semi axis: to the left
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2) solve the inequality for y:
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3) Graph

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- remember that 3 is the y intercept, and 2/5 is the slope
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- the solution is the region above and to the left of the dotted line.

4) See the figure attached for better visualization: the pink region is the solution of the inequality.

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