Question

please help me this is hard​

Answer 1

Answer:

(b) 5 students

here it is!

Answer 2

Answer:

(i) Range=higher value-lower value

=10-6=4

(ii) Total number of students=5+4+7+10+4 i.e. sum of frequency= 30

(iii) mean=(6+7+8+9+10)/5

= 40/5 =8

hope you find my answer helpful

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