The mean of 9 observation was found to be 55 Later on it was discovered that an observation 59 was misread as 95 Find Correct Mean *
5 points
41
52
51
45
Answers
Answered by
0
= 51
Step-by-step explanation:
mean of 9 observation = 55
Total mean = 9 × 55
= 495
incorrect = 495
correct = 495 + 59 - 95
= 459
correct mean = 459
____
9
= 51
Similar questions