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Julli [10]
3 years ago
14

A set of data with 100 observati removed, what is the mean of the new data se of 267 There are six outliers in the data set, whi

ch have a mean of 688. If the six outliers are
Mathematics
1 answer:
Andreas93 [3]3 years ago
6 0

Answer:

<u>the mean-average of the data without the outliers is 22572/94 = 240.12766 correct to four digits.</u>

Step-by-step explanation:

If the six outliers are removed, what is the mean average of the remaining data... is ASSUMED what the question was supposed to ask. I'll go out on a limb here, because there really isn't much else you can calculate with just

this much data anyways. I refer to the mean or average as the mean-average....just sayin'

 

Mean-Average = total/count , which means the total = count * mean-average.

 

Well, the data containing the outliers has a mean-average of 267 and a count of 100 statistics as given in the problem. So the total of all of the data including the outliers is 26700.

 

Likewise, the six outliers have a mean-average of 688 as given in the problem.

So the total of the outliers is 688 * 6 = 4128.

 

As a result, the total of the 94 statistics when the six outliers are rejected is 26700-4128=22572.

 


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magazine provided results from a poll of adults who were asked to identify their favorite pie. Among the ​respondents, ​% chose
Alex73 [517]

Complete Question

A magazine provided results from a poll of 500 adults who were asked to identify their favorite pie. Among the 500 ​respondents, 12 ​% chose chocolate​ pie, and the margin of error was given as plus or minus 5 percentage points.What values do ​ \r p ,  \ \r q, ​n, E, and p​ represent? If the confidence level is 90​%, what is the value of \alpha ​?

Answer:

a

   \r p is the sample proportion   \r  p  =  0.12

   n is the  sample size is  n  =  500

   E is the  margin of error is E  =  0.05

   \r  q represents the proportion of those that did not chose chocolate​ pie i.e                        \r  q  =  1-  \r p

b

   \alpha  = 10\%

Step-by-step explanation:

Here

    \r p is the sample proportion   \r  p  =  0.12

   n is the  sample size is  n  =  500

    \r  q represents the proportion of those that did not chose chocolate​ pie i.e  

      \r  q  =  1-  \r p

      \r  q  =  1-  0.12

      \r  q  = 0.88

     E is the  margin of error is E  =  0.05

Generally \alpha is the level of significance and it value is mathematically evaluated as

     \alpha  = ( 100 -  C  )\%

Where  C is the confidence level which is given in this question as  C =  90  \%

So  

    \alpha  = ( 100 -  90  )\%

    \alpha  = 10\%

5 0
3 years ago
Hey I hope this helps many people but how do you do this problem <br><br> 5x=0.4
Scrat [10]
X=0.08 hope it helps love
4 0
3 years ago
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What is the rate of change of y=-4/9x+5
WARRIOR [948]

Answer:

Rate of change of y is -  \frac{4}{9}

Step-by-step explanation:

y =  -  \frac{4}{9} x + 5 \\  \\ differentiating \: with \: respect \: to \: x \\  \\  \frac{dy}{dx}  =  -  \frac{4}{9} \frac{d}{dx} x +  \frac{d}{dx} 5 \\  \\  \frac{dy}{dx}  =  -  \frac{4}{9} .1 +  0 \\  \\  \huge \red{\frac{dy}{dx}  =  -  \frac{4}{9} } \\  \\ rate \: of \: change \: of \: y =-  \frac{4}{9}

8 0
2 years ago
Is this correct ? Please help me
NNADVOKAT [17]

Answer:

Median: 8

Minimum: 3

Maximum: 15

First quartile: 6

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Step-by-step explanation:

6 0
3 years ago
What is the missing number on the number line?
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The answer is 17
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