Calcul a average for price of cars

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explanation : I am creating a script in PHP which need to give a average correct all this data follow a Gausien repartition ... but some prices are not correct and too lower or too higher... so it dommage the reliability of the average. As it's a Gaussian curve law... Could you give me the formula to calculate the average price ? could you help me if i provide you example of data ? thanks for you help If you are php coder it's a good advantage.

PHP

Statistics

ID Projek: 1618329

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7 pekerja bebas membida secara purata $111 USD untuk pekerjaan ini

@gopalvora

Hi Ready to start Thanks..

$180 USD dalam 12 hari

4.9

(144 ulasan)

6.7

@GigaWorx

Please check PMB for details, Thanks.

$135 USD dalam 2 hari

4.7

(7 ulasan)

3.3

@lehuyendiep

I'm mayor in Statistics and PHP also. Your problem is in my ability (you can check my profile). Please send me your data, and i hope i can help you to complete the project.

$100 USD dalam 2 hari

5.0

(2 ulasan)

2.8

@aladinooo

Hi, I can help you with determining the formula for Gaussian function average. Please hit me with the details. Thanks

$30 USD dalam 1 hari

5.0

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1.0

@JepBo

Hi! I can remember that the best linear approximation is the sample mean. I could look for references if you are interested. If the problem is that you have outliers, you could try the median (it is not linear and it's easily implemented (my suggestion)) or a process to remove outliers.

$30 USD dalam 0 hari