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I want to calculate average hours worked from below bar graph and following this method but I feel this method is not correct to find average working hours

Procedure A:

( 4*1+4*2 +6*3+7*4 + 13*5 +8*6 ) /(1+2+3+4+5+6)sum of worked hours average= 171/21 = 8.14

procedure B:

average= ( 4+4+6+7+13+8)/6( total green bar counts) average= 42/6= 7

Can anyone suggest which one is correct way to find average working hours ??

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  • $\begingroup$ Try to succinctly, but completely describe the average you want - that should make computing something else less likely. What is the COMPUTERSCIENCE angle? $\endgroup$ Commented Jun 17, 2023 at 10:31

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Neither of the above mentioned procedures gives the correct average working hours. Average working hours is the ratio of the total working hours of employees to the number of employees. I don't understand the reason for posting this question in this platform it is in no way related to computer science and you could possibily find the answer by a simple search engine query or post the question in Mathematics Stack Exchange.

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  • $\begingroup$ (@AndrejBauer: With samples from 1 to 6, any average outside that interval lacks credibility. average hours worked is neither hours worked/abscissa label unit (what if the graph extends to 24 h?) nor average number of people/bar(category).) $\endgroup$ Commented Jun 17, 2023 at 14:23

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