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den301095 [7]
2 years ago
14

Which biased estimator will have a reduced bias based on an increased sample size? mean median standard deviation range

Mathematics
1 answer:
alexgriva [62]2 years ago
8 0
The answer is: [C]: standard deviation ..
___________________________________
Explanation:
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However, note that the mean of a sample from a normal population (that is, a type of "standard deviation" known as "standard deviation from a sample mean", is an "unbiased estimator" of the "population mean".

We shall represent the "sample mean" as:  x̅<span>  ; 
               (pronounced: "x-bar"; that is; "ex-bar"); this is the usual symbol                                                                                                              used; 
</span>
We shall represent the sample size as "n" ;
                                                 (This is the usual variable used; note that
                                                                                "n" is a numeric value).
__________________________________________________________
The standard deviant from the sample mean:

(n *  x̅)  / (n + 1) is a "biased estimator of the mean" that becomes "unbiased" as the sample size increases; since as "n" increases in values; the value of the entire entire expression becomes smaller (i.e the standard deviation becomes smaller.
___________________________
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Answer:

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Step-by-step explanation:

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The base of a circular fence with radius 10 m is given by x = 10 cost, y = 10 sin t. the height of the fence at position (x, y)
antiseptic1488 [7]

The parametric equations for x and y describe a circle of radius 10 m, so the length of the base of the fence is the length of the circumference of a circle of radius 10 m. The formula for that circumference (C) is ...

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The height as a function of angle (t) is found by substituting for x and y.

... h(t) = h(x(t), y(t)) = 4 + 0.01·((10cos(t))²-)10sin(t))²) = 4+cos(2t)

The average value of this over the range 0 ≤ t ≤ 2π is 4, since the cosine function has two full cycles in that range, and its average value over a cycle is zero.

Thus, the area of one side of the fence is that of a rectangle 20π m long and 4 m wide. That will be

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You can work out the integral for area as a function of t. When you do, you will find it gives this same result.

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2 years ago
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Answer:

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Step-by-step explanation:

Manny = M

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Step-by-step explanation:

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Step-by-step explanation:

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