Percentile and percentile rank
In a data set with a minimum value of 54.5 and a maximum value of 98.6 with 300 observations, there are 186 points less than 81.2. Find the percentile and percentile rank for 81.2.
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Classify these oxides as acidic, basic, amphoteric, or neutral. P4O10, At2O7, Al2O3, SnO2, MgO, Li2O, CO, NO. Begin by classifying the element (other than oxygen) in each oxide by where it appears on the periodic table.
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Assume an energy of 345 W s is to be delivered from a 33.0 µF capacitor. To what potential difference must it be charged?
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