# Mean, Median, Mode, Variance

Apr 15th, 2015
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This study guide/ examination practice deals with the fundamental concepts of statistics: mean, median, mode, variance and standard deviation. Finding mean and mode from a frequency table is also included and explained. Both formulas for variance are used. A thorough guide for exam preparation.

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Mean, median, mode, variance 1) Find the mode, median and mean of 1, 1, 3, 5, 102) Based on the scores 1, 9, 3, 6, 1, 2, 6, 2, 2, and 8, a score of 2 is the _______(choose from mean, median, mode). Also calculate the other two statistics3) Find the mode, median and mean number of coins from this frequency table: Number of coins a student had in his pocket during ten days Frequency 0 3 1 4 2 2 3 14) Find the variance and standard deviation for 2, 3, 5, 6, 95) For the following set of data. 101, 102, 100, 100, 110, 109, 109, 108, 109Find: a) the mean b) the median c) the mode d) the variance e) the standard deviation6) For the following set of data. 12.5, 12.7, 14.9, 11.3, 11.7, 10.9Find: a) the mean b) the median c) the mode d) the variance e) the standard deviationSolutions1.) The mode is the number that occurs most often.The mode = 1The median is the middle value when the numbers are arranged in increasing ord

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