Question

the mean mark got by 6 pupil's in a cat is 75.5 of them scored 83 73 71 67 and 69. what was the score of the sixth pupil?.what was the modal mark​

Answer 1

Answer: score if the sixth pupil is 90

Explanation:

Mean mark-75.5

6pupil

83+73+71+67+69+x= 75.5

363+x=75.5×6

×=453-363

×=90