Question

Find the mean of the first 7odd prime number?.


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Answer 1

Question : -

Find the mean of the first 7 odd prime numbers ?

Answer : -

First 7 odd prime numbers are : -

1, 3, 5, 7, 11, 13, 17.

Formula for finding mean

‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎ For un grouped data : -

$= > \: \frac{</strong><strong>s</strong><strong>um \: of \: all \: observations}{</strong><strong>n</strong><strong>umber \: of \: observations}$

$= > \: \frac{1 + 3 + 5 + 7 + 11 + 13</strong><strong> </strong><strong>+</strong><strong> </strong><strong>1</strong><strong>7</strong><strong>}{7}$

$= > \: \frac{</strong><strong>5</strong><strong>7</strong><strong>}{7}$

$= > </strong><strong>8</strong><strong>.</strong><strong>1</strong><strong> </strong><strong>$

* Mean of first 7 odd prime numbers is 8.1

Answer 2

Answer:

$\huge{\underline{\mathtt{\red{A}\pink{N}\green{S}\blue{W}\purple{E}\orange{R}}}}$

8.2857 is an average of first 7 prime numbers mentioned in the below table, by substituting the total sum and count of numbers in the formula.