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3 years ago

Because they represent such extreme values, outliers should always be eliminated from statistical analyses.

1 answer:

6 0

False because outliers do matter in statistical world. For example it helps us in inferential statistics where the outlier can determine the probability of getting that result

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Please help...ASAP What is the solution set of x^2 + 5x + 1 = 0?

solmaris [256]

-5 +- sq rt of 21/2

Quadratic formula
A= 1 b= 5 c= 1

-b +- sq rt b^2-4ac /2a
-5 +- sq rt 25-4(1)(1) /2

4 0

3 years ago

Read 2 more answers

Points

Triss [41]

Answer: B $852.00

Step-by-step explanation:

6 0

3 years ago

1. Who authored the web page? How do you know?

Deffense [45]

I can’t see where someone authored this web pages and no I don’t know unless if you’ve shown me it.

5 0

3 years ago

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The following examples illustrate the inverse property of multiplication. Study the examples, then choose the statement that bes

Scilla [17]

Answer:

For all real numbers a except 0, we have

a(1/a) = 1

Step-by-step explanation:

Multiplication of real numbers are having the following properties:

i) commutative = ab = ba

ii) associative a(b+c) =ab+ac

iii) Multiplicative identity element exists such that for any number

a*1 =1*a = a

i.e. 1 is identity.

Inverse property is for any a not equal to 0, we have a real number such that

a*that real number = multiplicative identity

i,.e. a(a real number) = 1, a not equal to 0

In other words, there exists an 1/a for all a not equal to 0 satisfying a*1/a = 1

8 0

4 years ago

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Math expressions that equal 13

qaws [65]

Step-by-step explanation:

There can be a lot of math expressions that may equal 13. Here are some of the expressions that equal 13.

9 + 4 = 13

15 - 2 = 13

1 × 13 = 13

Now, let us consider some interesting expression

$x^3-x^2+x+7$

If the value of x = 2, then the expression will be equal to 13.

i.e.

$2^3-2^2+2+7=13$ ∵ when x = 2

Considering a word problem

<em>'Tom has 10 oranges while Tony has 3 more oranges than Tom. How many oranges Tony has?</em>

Let 'x' be the number of oranges Tom has.

The number of oranges Tony has = x + 3

as Tom has 10 oranges, so x = 10

Therefore, the number of oranges Tony has = x + 3

= 10 + 3 = 13

Therefore, the number of oranges Tony has = 13

7 0

3 years ago