Math, asked by alisha8693, 1 month ago

Find the mean of the following data X equals 19 21 23 25 27 29 31 and F equals to13 15 16 18 16 15 13

Answers

Answered by kk8207558khushbu

0

⇒mean =

⇒mean = 13+15+16+18+16+15+13

⇒mean = 13+15+16+18+16+15+13______________________________________

⇒mean = 13+15+16+18+16+15+13______________________________________(19×13)+(21×15)+(23×16)+(25×18)+(27×16)+(29×15)+(31×13)

⇒mean = 13+15+16+18+16+15+13______________________________________(19×13)+(21×15)+(23×16)+(25×18)+(27×16)+(29×15)+(31×13)

⇒mean = 13+15+16+18+16+15+13______________________________________(19×13)+(21×15)+(23×16)+(25×18)+(27×16)+(29×15)+(31×13)

⇒mean = 13+15+16+18+16+15+13______________________________________(19×13)+(21×15)+(23×16)+(25×18)+(27×16)+(29×15)+(31×13) ⇒mean =

⇒mean = 13+15+16+18+16+15+13______________________________________(19×13)+(21×15)+(23×16)+(25×18)+(27×16)+(29×15)+(31×13) ⇒mean = 13+15+16+18+16+15+13

⇒mean = 13+15+16+18+16+15+13______________________________________(19×13)+(21×15)+(23×16)+(25×18)+(27×16)+(29×15)+(31×13) ⇒mean = 13+15+16+18+16+15+13___________________________

⇒mean = 13+15+16+18+16+15+13______________________________________(19×13)+(21×15)+(23×16)+(25×18)+(27×16)+(29×15)+(31×13) ⇒mean = 13+15+16+18+16+15+13___________________________247+1575+368+450+432+435+403

⇒mean = 13+15+16+18+16+15+13______________________________________(19×13)+(21×15)+(23×16)+(25×18)+(27×16)+(29×15)+(31×13) ⇒mean = 13+15+16+18+16+15+13___________________________247+1575+368+450+432+435+403

⇒mean = 13+15+16+18+16+15+13______________________________________(19×13)+(21×15)+(23×16)+(25×18)+(27×16)+(29×15)+(31×13) ⇒mean = 13+15+16+18+16+15+13___________________________247+1575+368+450+432+435+403

⇒mean = 13+15+16+18+16+15+13______________________________________(19×13)+(21×15)+(23×16)+(25×18)+(27×16)+(29×15)+(31×13) ⇒mean = 13+15+16+18+16+15+13___________________________247+1575+368+450+432+435+403 ⇒mean=25

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