Join Examsbook
The average of a collection of 20 measurements was calculated to be 56 cm . But later it was found that a mistake had occurred in one of the measurements which was recorded as 64 cm, but should have been 61 cm. The correct average must be:
5Q:
The average of a collection of 20 measurements was calculated to be 56 cm . But later it was found that a mistake had occurred in one of the measurements which was recorded as 64 cm, but should have been 61 cm. The correct average must be:
- 155.85 cmtrue
- 256.15 cmfalse
- 353 cmfalse
- 454.5 cmfalse
- Show AnswerHide Answer
- Workspace