3 years ago

PLS HELP (40 POINTS!!)

Mathematics

2 answers:

attashe74 [19]3 years ago

7 0

Okay!

(◍•ᴗ•◍)

⇒first, add all the marks 6+7+8+9+10

⇒the answer will be 40 then there is

⇒5 numbers which were 6+7+8+9+10 the numbers that we were trying to add

⇒so divide 40÷5 is 8

⇒ the mean is 8

ФωФ

sineoko [7]3 years ago

5 0

Answer:

Number of students:

5 + 4 + 7 + 10 + 4 = 30

Total of marks:

5*6 + 4*7 + 7*8 + 10*9 + 4*10 = 244

Mean mark:

244/30 = 8.1333 ≈ 8

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