To calculate the average percentage, you need to: Determine the sample sizes corresponding to each percentage. For each percentage, multiply it by its sample size. Add all the numbers obtained in step 2. Add all the sample sizes. Divide the number from step 3 by that from step 4. If you converted percentages to fractions in step 2, convert back.

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You can calculate the average percentage manually by understanding the formula. The formula is p e r c e n t a g e a v e r a g e = V a l u e T o t a l n u m b e r s o f d a t a The sum

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