Question

find the mean of the following data
25 , 27 , 19 , 29 , 21 , 23 , 25 , 30 , 28 , 20​

Answer 1

Answer:

24.7

Step-by-step explanation:

Mean = sum of all samples / no. of samples

∴ Mean = 25 + 27 + 19 + 29 + 21 + 23 + 25 + 30 + 28 + 20​ / 10

∴ Mean = 247 / 10

∴Mean = 24.7

Answer 2

Step-by-step explanation:

$\sf \: Mean = Average \\ \\ \sf \:Mean = \frac{sum \: of \: numbers}{count\: of \: numbers} \\ \\ \bf \: \frac{25 + 27 + 19 + 29 + 21 + 23 + 25 + 28 + 30 + 20}{10} = \frac{247}{10} = 24.7$