Question

I've attached a picture that asks my questions. Please help.

Answer 1

Answer:

THE ANSWER IS:

•ANS a) 4.

•ANS b) 30 STUDENTS.

•ANS c) 8.

Step-by-step explanation:

WE SOLVE LIKE THIS:

•ANS a)RANGE = HIGHEST VALUE - LOWEST VALUE

= 10 - 6

= 4.

ANS b)NUMBER OF STUDENTS IN THE GROUP - SUM OF ALL FREQUENCIES

5+4+7+10+4

= 30 STUDENTS.

ANS c) MEAN IS 8.

HOPE IT HELPS YOU.