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Natasha_Volkova [10]
3 years ago
14

How do you do number 2

Mathematics
1 answer:
frozen [14]3 years ago
8 0

I vhnkkvcjkkjhjgdwe. cfee dd

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patriot [66]
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3 years ago
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melisa1 [442]

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Step-by-step explanation:

7 0
3 years ago
A researcher conducted a paired sample t-test to determine if advertisements were viewed more in the morning (before noon) or in
Natalija [7]

Answer:

b. No, there was no difference between Morning (M= 32), and Evening (M=40.625), (t [7] = 1.15, p > .05).

Step-by-step explanation:

The critical value for one tailed test is t ∝(7) > 1.895

A one tailed test is performed to test the claim that advertisements were viewed more in the morning (before noon) or in the evening (after 5pm)

The null and alternative hypotheses are

H0: μm = μe   vs     Ha μm > μe

where μm is the mean of the morning and μe is the mean of evening.

The calculated value of t = -1.152587077  which is less than the critical region hence the null hypothesis cannot be rejected .

P(T<=t) one-tail 0.143458126 > 0.05

If two tailed test is performed the critical region is t Critical two-tail 2.364624252

and the calculated t value is  -1.152587077  which again does not lie in the critical region .

Hence μm =  μe or    μm ≤ μe

P(T<=t) two-tail 0.286916252  > 0.025

Therefore

b. No, there was no difference between Morning (M= 32), and Evening (M=40.625), (t [7] = 1.15, p > .05).

Option b gives the best answer.

6 0
3 years ago
Plz help!!!!!!!!!!!!!!! 100 points! any links or wrong answers will be flaged
garik1379 [7]

Answer:

Part A: 431070.9 ergs

Part B: 1.6 x 103mm

Step-by-step explanation

7 0
3 years ago
The price for 32 inch TV cost $625 and the clearance sale is 20% off. What is the new selling price?
Elan Coil [88]
The answer is 125. Just for you to understand all you have to do is 20 *____ =625 in this case 20*125=625 :)
8 0
3 years ago
Read 2 more answers
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