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3 years ago

How will a high outlier in a data set affect the mean and median?

Mathematics

1 answer:

Lisa [10]3 years ago

6 0

A high outlier in a data sat causes the mean and median value to move slightly towards the outlier

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3 years ago

Solve the radical equation. square root 6n-11= n – 3 Which solution is extraneous? A.)2

Anvisha [2.4K]

ANSWER

D) 10

EXPLANATION

We want to solve the radical equation,

$\sqrt{6n - 11} = n - 3$

Square both sides,

$6n - 11 = (n - 3) ^{2}$

Expand brackets on right hand side,

$6n - 11 = {n}^{2} - 6n + 9$

Rewrite in general quadratic equation form,

${n}^{2} - 12n + 20 = 0$

Factor to obtain,

$(n - 2)(n - 10) = 0$

Apply the zero product principle to get,

$n = 2 \: or \: n = 10$

We put n=2 into the equation to get,

$\sqrt{6(2) - 11} = 2 - 3$

$1 = - 1$

This statement is false, hence 2 is an extraneous solution

We put n=10, to get

$\sqrt{6(10) - 11} = 10 - 3$

$\sqrt{49} = 7$

$7 = 7$

This is true, hence the only solution is
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4 years ago

Read 2 more answers

A hacker is trying to guess someone's password. The hacker knows (somehow) that the password is 15 characters long, and that eac

Arisa [49]

There are 26 possible lowercase letters, 26 possible uppercase letters, and 10 possible numbers (0-9). 26+26+10=62 That means there's a 1/62 chance that they get one letter right. But there's 15 letters. They're chance would decrease each time to get it exact. 1/62 divided by 15/1 = 1/832 So there is a 1 in 832 chance that the hacker guesses it correct first try with that information.

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4 years ago

How will a high outlier in a data set affect the mean and​ median?

How will a high outlier in a data set affect the mean and median?