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Hatshy [7]
3 years ago
7

Idea of sampling variability?

Mathematics
1 answer:
vesna_86 [32]3 years ago
7 0
The term "sampling variability" refers to the fact that the statistical information from a sample (called a statistic) will vary as the random sampling is repeated. Sampling variability will decrease as the sample size increases. Samplings vary because each sample is based upon a different set of the population.
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(9, 18)and<br> (3, n) .<br> Find<br> n
Maru [420]

I don't seem to comprehend what you are asking?

8 0
3 years ago
The volume of a boys' basketball is 434 cubic inches. Dan would like to get a ball
Nataly_w [17]

Answer:

The correct answer is A. 9.4 inches.

Step-by-step explanation:

Given that the volume of a boys' basketball is 434 cubic inches, and Dan would like to get a ball with half the volume for his son, to determine what is the diameter of the ball that Dan will buy for his son, the following calculation has to be done, knowing that the volume of a sphere is four thirds multiplied by pi multiplied by the radius cubed:

4/3 x 3.14 x X ^ 3 = 434

4.186 x X ^ 3 = 434

X ^ 3 = 434 / 4.186

X = 3√ 103.662

X = 4.7

In turn, since the radius of a sphere is equal to half its diameter, the diameter of the basketball is 9.4 inches (4.7 x 2).

4 0
3 years ago
State the leading coefficient of the polynomial:<br> f(x) = 6x^5 + 9x^4 + 2x^3 + 3x^2 - 4x -6
dlinn [17]

Answer:

The leading coefficient of the polynomial is 5 .

Step-by-step explanation:

f(x) = 6x^5 + 9x^4 + 2x^3 + 3x^2 - 4x -6

In this polynomial , the highest exponential is the leading coefficient .

So there are 5 coefficients ,

5 , 4 , 3 , 2 , and x

so above , the highest one is 5 .

4 0
3 years ago
6x + 5y = 147<br> 8x + 4y = 156
satela [25.4K]

Answer:

[12, 15]

Step-by-step explanation:

{6x + 5y = 147

{8x + 4y = 156

-¾[8x + 4y = 156]

{6x + 5y = 147

{-6x - 3y = -117 ← New Equation

________________

2y = 30

___ ___

2 2

y = 15 [Plug this back into both equations to get the x-coordinate of 12]; 12 = x

So, using the Elimination Method, what I did here was took the bottom equation and multiplied it by -¾, turning 8x to -6x, canceling out all <em>x-terms</em><em>.</em><em> </em>It does not matter which variable you choose to eliminate, as long as you know what you are doing.

I am joyous to assist you anytime.

3 0
3 years ago
There are 206 adults at a language school. Each adult studies one of French or Spanish or German. 35 women study French. 67 of a
Monica [59]

Answer:

28 men

Step-by-step explanation:

Assuming no women study German, the number of men that study French should be N = 206 - 35 - 67 - 44 - 32

N = 206 - 102 - 76

N = 206 - 178

N = 28

5 0
3 years ago
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