Question

consider the following data.
score | 50 | 60 | 70
weight | 0.60 | 0.30 | 0.10
what is the weighed mean?
the value of the weighed mean is .

Explanation:

Step1: Multiply each score by weight

$(50 \times 0.60) + (60 \times 0.30) + (70 \times 0.10)$

Step2: Calculate each product

$30 + 18 + 7$

Step3: Sum the products

$30 + 18 + 7 = 55$

Answer:

55