In a sample of 20 kaing of mangoes, each containing 50 mangoes, the vendor found that 5, 8, 12, 3, 0, 6, 11, 7, 5, 4, 2, 9, 4, 2, 7, 9, 3, 6, 5, and 2 mangoes respectively are rotten.   On the average, how many mangoes per kaing are rotten?   Answer:   How many percent of the total mangoes are rotten?   Answer:   Construct a pie graph showing the percentage of rotten versus not rotten mangoes in 20 kaings.   Answer:   If each mango can be sold at 20 pesos per piece, how much is the total price of the vendor for selling the mangoes that are not rotten?   Answer:

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2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.