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3 years ago

What is the difference between the sample average y and the population mean?

1 answer:

3 0

When a finite number of samples are drawn from a larger population, the sample mean of that sample, while usually close to the population mean, is not the same thing. A population mean, on the other hand, is a description of pretty much ALL of whatever is being examined.

Example of population: Everyone in the USA
Example of a sample: One person, chosen at random, from each of the 50 states

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Arianna needs 3/4 cup of flour to bake a batch of cupcakes. she has 1/2 cup of flour. what fraction of a batch can Arianna bake?

pantera1 [17]

Answer:

She can bake 3/8 of a batch of cupcakes.

Step-by-step explanation:

If she only has 1/2 of the flour and you are trying to find the fraction of a batch she can make, you are essentially trying to figure out what is 1/2 of 3/4, which is basically just multiplying 1/2 by 3/4. This would get you the answer of 3/8. Hope this helps:)

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3 years ago

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Irina-Kira [14]

Answer:

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Step-by-step explanation:

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4 years ago

If the measures of the angles of a triangle are in the ratio 3:3:4 what is the measure of the largest angle of the triangle

Mnenie [13.5K]

Answer:

72 degrees

Step-by-step explanation:

There are 3+3+4 = 10 parts of the ratio, so divide 180 degrees in a triangle, by 10 and = 18 degrees for each part.

then 3:3:4 would yield degrees of 54:54:72

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3 years ago

Ok I still don’t get this pls help!

hichkok12 [17]

Answer:

p and q value is 70 deg and r,s,t and u is 110 deg

Step-by-step explanation:

I. If half circle = 180°

when p = q = 70°

so r = s = t = u = 180 - 70 = 110°

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3 years ago

Read 2 more answers

Consider the inequality 4x – 3 ≥ 13. Select four x-values that make the inequality true.

Neporo4naja [7]

Answer:

Step-by-step explanation:

Here are some steps to help you

Step 1

4x-3≥13 We are going to be simplifying

Step 2

4x-3≥13 Add 3 to the sides

4x≥16

Step 3

4x≥16 Divide them sides by 4

x≥4

So therefore your answer is x≥4

Hope this helps

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3 years ago

What is the difference between the sample average y and the population​ mean?

What is the difference between the sample average y and the population mean?