Question

Please answer to parts this photo

Answer 1

Answer:

Age (in years) No. of Cases (Fi) Mid Point (Xi) FiXi

5-14 6 9.5 57

15-24 11 19.5 214.5

25-34 21 29.5 619.5

35-44 23 39.5 908.5

45-54 14 49.5 693

55-64 5 59.5 2975.

65-74 3 69.54 208.5

SigmaFi=83 ΣFiXi=2998.5