Question

chenta took 7 math tests in one marking period.What is the range of her test scores? scores are 89,73,84,91,87,77,94. options are a)20 b)21 c)03 d)04​

Answer 1

Given :- chenta took 7 math tests in one marking period.What is the range of her test scores ? scores are 89,73,84,91,87,77,94.

options are :-

a)20

b)21

c)03

d)04

Answer :-

→ Given scores in maths test are = 89,73,84,91,87,77,94.

so,

→ Highest score of chenta = 94 marks

→ Lowest score of chenta = 73 marks .

then,

→ Range of her test score = Highest score - Lowest score = 94 - 73 = 21 marks (b) (Ans.)

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