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3 years ago

HELP PLZ PLZ Why should you use the median and interquartile range (IQR) to compare two populations that contain outliers?

Mathematics

1 answer:

Zielflug [23.3K]3 years ago

3 0

Answer: The median and IQR are not influenced by the presence of outliers.

Step-by-step explanation: The median and IQR will not change with ouliers but something like mean would so if there is outliers you should use median to properly represent the numbers

hope this helps mark me brainliest if you can

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Write a polynomial function with the given zeros. multiply the terms (write in standard form).

sukhopar [10]

Answer:

<h2>1)</h2><h2> $x^{3} - 3timesx -2 = 0$ </h2><h2>2)</h2><h2> $x^{3} - x^{2} - 6timesx$ </h2>

Step-by-step explanation:

A polynomial function of x can be represented as

$f(x) = (x + 1)(x + 1)(x - 2)$ , if we put x = -1 / -1 / 2, then we will get x = 0.

Now,

$f(x) = (x + 1)(x + 1)(x - 2) = (x^{2} + 2timesx + 1)(x - 2) = x^{3} + 2timesx^{2} + x - 2timesx^{2} - 4timesx -2 = x^{3} - 3timesx -2.$

Similarly, this function must have to be valued 0 for x = -2, 0, 3

Let g(x) be the function.

Hence,

$g(x) = (x + 2)(x - 0)(x - 3) = (x^{2} + 2timesx )(x - 3) = x^{3} + 2timesx^{2} - 3timesx^{2} -6timesx = x^{3} - x^{2} - 6timesx$

3 0

3 years ago

Zielflug [23.3K]

Step-by-step explanation:

I just answered that. so, here again :

all we need to do is find the surface area, deduct windows and door areas.

that gives us the m² to be covered, which we have to multiply by $12.50 to get the total price.

the house surface area is like for a box, but we don't care about the top and the bottom. only about the walls.

the "box" is 18 m × 14 m × 4 m.

so, the front and the back walls are each

18m × 4 m = 72 m²

both front and back : 2×72 = 144 m²

each side wall is

14m × 4m = 56 m²

both sides : 2×56 = 112 m²

now for the deductions.

each window is

1.5 × 2 = 3 m²

both windows : 2×3 = 6 m²

the door is

1 × 2.5 = 2.5 m²

so, the total area to "side" is

144 + 112 - 6 - 2.5 = 247.5 m²

to side 247.5 m² it costs

247.5 × 12.5 = $3,093.75

7 0

2 years ago

An evergreen nursery usually sells a certain shrub after 5 years of growth and shaping. The growth rate during those 5 years is

ivanzaharov [21]

Answer:

$h(t) = 0.75t^2 + 4t + 12$

Step-by-step explanation:

The equation given calculates the derivative of the height in relation to the time, that is, the rate of change of the height. To find the equation for the height, we need to integrate this equation:

$dh/dt = 1.5t + 4$