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  A statistical study on the distribution of the numbers of people infected wit...

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 A statistical study on the distribution of the numbers of people infected with covid-19

in France by age group on January 20, 2022 revealed the following statistical table:

Age  Xi

 

rfi

(ci -  mean)

[0;16[

0,01

-49,42

[16;46[

0,25

-26,42

[46;66[

0,35

-1,42

[66;76[

0,16

13,58

[76;86[

0,23

23,58

              THE  COEFFICIENT OF VARIATION EQUALS   = 

           ***   (Round a float value to 3 decimal places) 

 

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