NDA2021MathematicsStatisticsActual
What is the sum of deviations of the variate values 73 , 85,92,105,120 from their mean?
Options
- A-2
- B-1
- C0
- D5
Correct answer
C. 0
Step-by-step solution
Mean = 73+85+92+105+120 5 =95 Sum of the deviation from the mean aligned & =(95-73)+(95-85)+(95-92)+(95-105) & =22+10+3-10-25=0 aligned