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Artist 52 [7]
2 years ago
6

A student obtain 85 ,90,95,100and 75 in his maths test (1). What is the average of his test grades?

Mathematics
2 answers:
netineya [11]2 years ago
8 0

Answer:

89.

Step-by-step explanation:

There are 5 scores.

So the Average = (85 + 90+95+100+ 75)/5

= 445/5

= 89.

WITCHER [35]2 years ago
3 0

Answer:

A student's average test grade is 89!!!

Step-by-step explanation:

85 ,90,95,100and 75

average is easy to find out

add all test point

85+90+95+100+75=445

and divided by Number of test

445 / 5(test)=89

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Answer:

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Step-by-step explanation:

We know that

Mean = Sum of terms/Total terms

=> Mean = 4 + 6 + x + y + 10/5

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Now,

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=> Median = 6/3

=> Median = 3rd term = x

So,

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Since x and y are in order so,

Possible outcomes will be 7,8 & 9

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Taking x = 7 and y = 8

4(7) = 20 + 8

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Hence,

x = 7 and y = 8

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