4 years ago

What is the most important thing that must be true about a sample so that you can make a valid inference about population

1 answer:

4 0

<span>Unless you have some other choices, I'd have to say Stratification, to make sure the groups are representative and heterogeneous.

I hope I helped.</span>

You might be interested in

What's 598 divided by 3 as a mixed number

Novay_Z [31]

Answer:

$199\frac{1}{3}$

Step-by-step explanation:

598 _

____ = 199,3 = 199⅓

That bar over the 3 is what is known as bar notation, indicating <em>repetitive digits</em>.

I am joyous to assist you anytime.

4 0

3 years ago

The length of the triangle for the pool table is the twice the sum of 5 and a number. If the rack is

gayaneshka [121]

Answer:

30 + 6x inches

Step-by-step explanation:

Let the required number be x

If the length of the triangle for the pool table is the twice the sum of 5 and a number

L = 2(5+x)

L = 10+2x

Since the triangle is quadilateral, this means that all sides are equal

Perimeter = 3L

Perimeter = 3(10+2x)

Perimeter = 30+6x

Hence the perimeter, in inches, of the triangle is 30 + 6x inches

7 0

3 years ago

Birth control pills have a theoretical annual efficacy of 99.5%, but a real-worls efficacy of only 95%. If a college student tak

Sidana [21]

Answer: In my opinion B. 0.005 is the correct answer

Step-by-step explanation:

8 0

3 years ago

3 groups of a number plus 2

nikklg [1K]

X times x times x +2

4 0

2 years ago

Simplify x(x-5)+4(x-3)

hodyreva [135]

X^2 - x - 12
Hope this helps!

8 0

3 years ago