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3 years ago

Which value in the data set is an outlier?

Mathematics

1 answer:

lidiya [134]3 years ago

3 0

22 is an outlier in the given data set

Step-by-step explanation:

Given data set is:

7, 8, 9, 10, 10, 22

First of all, we have to defined an outlier.

An outlier is a thing that is far away from the main body.

The mathematical or statistical definition says:

"The value in the data set that is far away from the values in the data set is called outlier"

In the given data set,

The value 22 is an outlier, as all the other values are close to each other except 22

Hence,

22 is an outlier in the given data set

Keywords: Outlier, data set

Learn more about data set at:

#LearnwithBrainly

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3 years ago

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postnew [5]

Answer:

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Step-by-step explanation:

This can be modeled as a binomial random variable with n=8 and p=0.4.

The probability that k individuals in the sample have Type A blood can be calculated as:

$P(x=k) = \dbinom{n}{k} p^{k}(1-p)^{n-k}\\\\\\P(x=k) = \dbinom{8}{k} 0.4^{k} 0.6^{8-k}\\\\\\$

Then, we can calculate the probability that more than 8/2=4 have Type A blood as:

$P(X>4)=P(X=5)+P(X=6)+P(X=7)+P(X=8)\\\\\\P(x=5) = \dbinom{8}{5} p^{5}(1-p)^{3}=56*0.0102*0.216=0.1239\\\\\\P(x=6) = \dbinom{8}{6} p^{6}(1-p)^{2}=28*0.0041*0.36=0.0413\\\\\\P(x=7) = \dbinom{8}{7} p^{7}(1-p)^{1}=8*0.0016*0.6=0.0079\\\\\\P(x=8) = \dbinom{8}{8} p^{8}(1-p)^{0}=1*0.0007*1=0.0007\\\\\\\\P(X>4)=0.1239+0.0413+0.0079+0.0007=0.1738$

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3 years ago