the mean rainfall in a city in three weeks is 242.2 CM if the average rainfall in the next week is 236.8 then what is the average rainfall for all the 4 weeks

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Solution

Dear Student
Given mean of three weeks =242.2cm
average of next week =236.8cm
Average of all 4 weeks = $\frac{242.2 + 236.8}{2} = 239.5 c m$

Regards

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the mean rainfall in a city in three weeks is 242.2 CM if the average rainfall in the next week is 236.8 then what is the average rainfall for all the 4 weeks

Dear Student Given mean of three weeks =242.2cm average of next week =236.8cm Average of all 4 weeks =242.2+236.82=239.5cm Regards

Dear Student
Given mean of three weeks =242.2cm
average of next week =236.8cm
Average of all 4 weeks = $\frac{242.2 + 236.8}{2} = 239.5 c m$

Regards