Question

9. A student got 45, 34, 35, 40 and 30 in
five subjects which were assigned
weights 2,3,1, 1 and 3 respectively. His
weighted average is​

Answer 1

Step-by-step explanation:

We need to calculate averages for many purposes such as for determining the trends, taking some cost decisions, profit decisions, etc. The measures of determining averages are the measures of central tendency. The arithmetic mean, Geometric mean, Median and mode are some of the common measures. While calculating the average using the Arithmetic mean, we can either use simple mean formula or the weighted average formula. The calculation of the weighted average is a little bit more complex than that of the simple average. However, here we shall discuss the weighted average formula. Let’s begin learning!

Answer 2

Answer:

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