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34kurt
2 years ago
11

Hey guys can u help me on this one, I quite don’t get it

Mathematics
1 answer:
galina1969 [7]2 years ago
3 0

Answer:

try 130

Step-by-step explanation:

dont murder me if my math is wrong....

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Find the point estimate for the true difference between the given population means. Round your answer to three decimal places.
uranmaximum [27]

Answer:

Point Estimate for different between population means = - 0.99

Step-by-step explanation:

We are given data of two samples and we have to find the best point estimate of the true difference between two population means. Remember that in absence of data about population the best estimator is the sample data. So, we will find the means of both sample data and find the difference of that means. This difference between the means of sample data will be the best point estimate for the true difference between the population means.

Formula to calculate the mean is:

Mean=\frac{\text{Sum of Values}}{\text{Number of Values}}

Mean of Sample 1:

Mean=\frac{1414}{11}=128.55

Mean of Sample 2:

Mean=\frac{1684}{13}=129.54

Therefore the best point estimate for difference between two population means would be = Mean of Sample 1 - Mean of Sample 2

= 128.55 - 129.54

= - 0.99

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3 years ago
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2/3(4/3)= 8/9

Jovan ran 8/9 of a mile in a full hour.

Hope this helps!
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3 years ago
After the outbreak of a mysterious disease, the average wait time at a hospital increased by 70\%70%70, percent. Before the outb
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Answer:

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Step-by-step explanation:

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Y=250d + 250 = -250d + 7500<br> Solve for d
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Step-by-step explanation:

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