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3 years ago

WHAT IS DIRECT AND WHICH IS NON DIRECT

Mathematics

1 answer:

Yuliya22 [10]3 years ago

4 0

y = (a number) * x is direct.

Y=3X direct

X=-1

Y=(2/7)X direct

-0.5X=Y direct

Y=2.2X +7

Y=4

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Arlecino [84]

Answer:

The claim is rejected

Step-by-step explanation:

Claim: UCF is advertising their bachelor in Economics with the statistic that the starting salary of a graduate with a bachelor in economics is $ 48,500 according to Payscale (2013-13).

Null hypothesis: $H_0: \mu = 48500$

Alternate hypothesis : $H_a : \mu \neq 48500$

n = 50

Since n is more than 30 .

So we will use Z test

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Standard deviation = 15000

$Z=\frac{x-\mu}{\frac{s}{\sqrt{n}}}\\Z=\frac{43350-48500}{\frac{15000}{\sqrt{50}}}\\Z=-2.42$

Refer the z table

p value = 0.00776

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WINSTONCH [101]

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3 years ago

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