The following is ht record of goals scored by team A in a football session             For the team b, mean number of goals scored per match was 2 with a standard deviation 1.25 goals. Find which team may be considered more consistent?

Explanation

[#XI_RD_32_E01_49]





`text { Mean }=frac{sum_{i=1}^{5} f_{i} x_{i}}{sum_{i=1}^{5} f_{i}}=frac{50}{25}=2`



Given mean of team `B=2`


Mean of both the teams is same.



`text { Now, } sigma=frac{1}{N} sqrt{N sum {f}_{{i}} {X}_{{i}}^{2}-(sum {f}_{{i}} {X}_{{i}})^{2}}`


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