Question: the average height of 35 boys in a class was calculated as 183 cm . it has later found that the height of one of the boys in the class was wrongly written as 166 cm whereas his actual height was 106 cm . find the actual average height of the boys in the class ( round off your answer to two decimal places ) . ?
A)  178.27 cm
B)  181.29 cm
C)  978.29 cm
D)  178.89 cm
E)  176.29 cm
Correct answer: b
Grade: 8 | Topic: Statistics and Probability | Difficulty: Medium | Standard: 8.SP.A.1