3 years ago

Discuss how the t-test for correlated groups and the t-test for single samples are alike and different.

1 answer:

3 0

In one sample t-test, you compare it to some value that you already know to represent the population mean. In the t-test for correlated groups, the statistic is the difference between your two samples, which you test against the population mean difference.

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Estimate the product 28 2/3 x 4/5

Leona [35]

Answer:

23.2, exact is 22.9333334

Step-by-step explanation:

28 2/3 is around 28.5 ,4/5 is .75

28.5 * .75 = 21.375

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3 years ago

Fin walks 1 mile to the grocery store. When he is half way from the store,a friend picks him up and drives him the rest of the w

Anit [1.1K]

He did not walk 1/2 a mile. Because it's a round-trip, it's technically 2 miles long. so, in the end, he did not walk 1/4 of the trip. Hope this helps :)

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3 years ago

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In the figure below, AC and BD are diameters of circle P.

Anni [7]

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Step-by-step explanation:

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3 years ago

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F(x) = -4x2 + 10<br> Find f(-2)

Veronika [31]

Answer:

f(-2) = -6

Step-by-step explanation:

In the expression, to get f(-2);

we simply substitute the value of x with -2

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f(-2) = -4(-2)^2 + 10

f(-2) = -4(4) + 10

f(-2) = -16 + 10

f(-2) = -6

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3 years ago

Evaluate 3y²- 2y + 8, when y = 5

aleksandrvk [35]

Your final answer would be 73, because you would have to plug in 5 for Y.

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4 years ago