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2 years ago

Which of the following is the MOST accurate definition of standard deviation

1 answer:

6 0

The MOST accurate definition of standard deviation is the mean absolute deviation of the sum of the squared deviation from the average. Option 4

<h3>Definition of standard deviation</h3>

Standard deviation can be defined as a statistic tool that measures the dispersion of a dataset in relation to its mean and is calculated as the square root of the available variance of the set.

It is calculated as the square root of the given variance.

Thus, the MOST accurate definition of standard deviation is the mean absolute deviation of the sum of the squared deviation from the average.

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Calculate a length of a square ground of perimeter 160m

wlad13 [49]

Square Perimetre = Side x 4
So a length of a square ground is 160/4 = 40 (m)

5 0

2 years ago

To make 1 1/2 ozen muffins a recipe uses 3 1/2 cups of flour how many cups of flour is needed for every dozen muffins made

Ahat [919]

Answer:

the answer is 2 1/3 or There is 2\frack{11}{14}\ cups needed to make every dozen of muffins.

Step-by-step explanation:

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2 years ago

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Help help help help (question 6)

garik1379 [7]

Answer: I got C.

Step-by-step explanation: I squared both 3.9 and 9.7 which gave me 109.3. Then, I square rooted it and got 10.45 which rounds to 10.5. Hopefully, this is right.

8 0

3 years ago

Suppose you have 5 riders and 5 horses, and you want to pair them off so that every rider is assigned one horse (and no horse is

maw [93]

There are 120 ways in which 5 riders and 5 horses can be arranged.

We have,

5 riders and 5 horses,

Now,

We know that,

Now,

Using the arrangement formula of Permutation,

i.e.

The total number of ways $^nN_r = \frac{n!}{(n-r)!}$ ,

So,

For n = 5,

And,

r = 5

As we have,

n = r,

So,

Now,

Using the above-mentioned formula of arrangement,

i.e.

The total number of ways $^nN_r = \frac{n!}{(n-r)!}$ ,

Now,

Substituting values,

We get,

$^5N_5 = \frac{5!}{(5-5)!}$

We get,

The total number of ways of arrangement = 5! = 5 × 4 × 3 × 2 × 1 = 120,

So,

There are 120 ways to arrange horses for riders.

Hence we can say that there are 120 ways in which 5 riders and 5 horses can be arranged.

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7 0

2 years ago

A parabola has a vertex at (-6, 2) and opens down. Which of the following represents the

Setler [38]

Answer:

I don't see any choices but I think the axis of symmetry is x=-6.

Step-by-step explanation:

4 0

3 years ago