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Lelu [443]
3 years ago
5

Suppose a certain state university's college of business obtained the following results on the salaries of a recent graduating c

lass.
Finance Majors Business Analytics Majors
n1 = 120 n2 = 30
X1 = $45,137 X2 - $55.417 5
1 = $19,000 1 = $10,000
A) Formulate hypothes so that, the nullypothesis is rejected, we can conclude that salaries for Finance majors are significantly lower than the salaries of Business Analytics majors. Use the alpha = 0.05.
B) What is the value of the test statistics.
C) What is the p-value.
D) What is your conclusion?
1. Do not reject H0. We cannot conclude that series for Face major are significantly lower than the aim of Analytics majors.
2. Do not reject H0. We can conclude that salaries for Finance majors are significantly lower than the sales of Business Analytics majors.
3. Reject H0. We cannot conclude that salaries for Finance majors are significantly lower than the sales of Business Analytics majors.
4. Reject H0. We can conclude that salaries for Finance majors are significantly lower than the sales of Business Analytics majors.
Mathematics
1 answer:
Digiron [165]3 years ago
4 0

Answer: 2.

Step-by-step explanation: Don't reject H0, we can't conclude cause of the sales and the aftermath.

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Answer:

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2. Note that

A_{\triangle IJK}=A_{\triangle IAK}=\dfrac{3\sqrt{3}}{2}\ un^2 \\ \\ \\A_{\triangle KLM}=A_{\triangle KAM}=4\sqrt{3}\ un^2 \\ \\ \\A_{\triangle MNI}=A_{\triangle MAI}=6\sqrt{3}\ un^2

3. The area of hexagon IJKLMN is the sum of the area of all triangles:

A_{IJKLMN}=2\cdot \left(\dfrac{3\sqrt{3}}{2}+4\sqrt{3}+6\sqrt{3}\right)=23\sqrt{3}\ un^2

Another way to solve is to find the area of triangle KIM be Heorn's fomula, where all sides KI, KM and IM can be calculated using cosine theorem.

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