Question

weight ( in kg) of 20 students is given below calculate the mean weight weight ( in kg) 42 43 44 45 46 47 number of students 4 3 3 6 2 2 ​

Answer 1

Step-by-step explanation:

mean =

$\frac{42 \times 4 + 43 \times 3 + 44 \times 3+ 45 \times 6 + 46 \times 2 + 47 \times 2}{20} \\ = \frac{885}{20} \\ = 44.25$