how to calculate the average of many percentages?
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Calculate the average percentage by dividing the total items represented by percentages by the overall total of items. In the example, a total of 200 pencils were removed out of a total of 500 pencils. Divide 200 by 500, which is equal to 0.40. Convert to percentage form by multiplying 0.40 by 100.
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To calculate the percentage of a specific number, you first convert the percentage number to a decimal. This process is the reverse of what you did earlier. You divide your percentage by 100. So, 40% would be 40 divided by 100 or .
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To calculate the percentage of a number Y that X represents, just divide X by Y and multiply the result by 100.
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It is calculated by adding up all the numbers, then dividing the total by the count of numbers. In other words, it is the sum divided by the count. Average of two numbers is given by the sum of the two numbers divided by two.
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['avg = sum(lst) / len(lst)', 'var = sum((x-avg)**2 for x in lst) / len(lst)', 'print(var)', '# 0.6666666666666666.']
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['function get_percentage($total, $number)', 'if ( $total > 0 ) {', 'return round($number / ($total / 100),2);', '} else {', 'return 0;', '}', '}']
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Divide the total from Step 1 by the number of decimals in your set (as determined in Step 2). In this example, you would divide 5.79 by 4 to get 1.4475. This is the average for your set.
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Consider the normal distribution N(100, 10). To find the percentage of data below 105.3, that is P(x < 105.3), standartize first: P(x < 105.3) = P ( z < 105.3 − 100 10 ) = P(z < 0.53).
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Average can be calculated as the sum of all the terms divided by the total number of terms. Mathematically, Percentage can be calculated as the sum of marks obtained divided by the total marks and whole multiplied to 100.
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['Step 1: Convert all the percentages to decimal probabilities. For example: ... ', 'Step 2: Construct a probability distribution table. ... ', 'Step 3: Multiply the values in each column. ... ', 'Step 4: Add the results from step 3 together.']
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Find the average percentageTake the total amount of the decimals, and divide that number by the total number of individual percentages. This gives you the average percentage in decimal form. Change from a decimal to a percentTake the average percentage in decimal form, and multiply the number by 100.
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['Find the absolute difference between two numbers: |20 - 30| = |-10| = 10.', 'Find the average of those two numbers: (20 + 30) / 2 = 50 / 2 = 25.', 'Divide the difference by the average: 10 / 25 = 0.4.', 'Express it as percentages: 0.4 * 100 = 40%']
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To calculate percentages, start by writing the number you want to turn into a percentage over the total value so you end up with a fraction. Then, turn the fraction into a decimal by dividing the top number by the bottom number. Finally, multiply the decimal by 100 to find the percentage.
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Press the equal sign to get an answer of 100. Divide this percentage by the number you need to divide by. For example, to divide the resultant percentage by 5, you would key in 100, followed by /, 5, and then =. This would give you an answer of 20.
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['Gather Your Statistics.', 'Divide by Entire Population.', 'Convert to Percentage.']
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To calculate a percentage, you need a fraction. Convert the fraction to decimal form by dividing the numerator by the denominator, multiply by 100, and there's your percentage. When you compile a data set, each value (x) can be expressed as a percentage of the entire set.
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You add all of the numbers in the set and divide by how many numbers are in the list. For example, suppose you have the numbers 3, 7, 10 and 16. Add them up to get 36. Divide that number by 4 to get the average: 9.