Calculate average of the following discrete series. Use Short-cut Method by taking 25 as assmed average. {:("Size",30,29,28,27,26,25,24,23,22,21),("Frequency (f)",2,4,5,3,2,7,1,4,5,7):}

Calculate average of the following discrete series. Use Short-cut Meth

1.	Calculate average of the following discrete series. Use Short-cut Method by taking 25 as assmed average. {:("Size",30,29,28,27,26,25,24,23,22,21),("Frequency (f)",2,4,5,3,2,7,1,4,5,7):}
Answer» <html><body><p><br/></p><a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a> :<a href="https://interviewquestions.tuteehub.com/tag/average-13416" style="font-weight:bold;" target="_blank" title="Click to know more about AVERAGE">AVERAGE</a> = 24.925</body></html>