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Chapter 3: Q.12 (page 164)

Calculate the mean of your scores if you had five math tests this semester. Your score were 89,97,93,86, and 99.

Short Answer

Expert verified

The mean of the scores are 92.8.

Step by step solution

01

Step 1.  Apply the concept of Mean value

In this type of question, use the concept of mean value that is

Mean=sum鈥�of鈥�all鈥�numberTotal鈥�number

02

Step 2.  Finding the mean value by explaining the question

Since,

The scores of the maths in different semesters are 89,97,93,86&99.

The sum of all the values of the scores are 89+97+93+86+99=464

Total number of mean = 5

03

Step 3.  Calculating the mean

Now, the mean score is

Mean=sum鈥�of鈥�all鈥�numberTotal鈥�numberMean=4645Mean=92.8

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