Introduction to Statistics |
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Page 27
... frequency distribution it is necessary to use the cumulative frequencies . If the table is originally expressed in ... frequency of N is associated . This fol- lows at once from the definition , since there will then be just as many ...
... frequency distribution it is necessary to use the cumulative frequencies . If the table is originally expressed in ... frequency of N is associated . This fol- lows at once from the definition , since there will then be just as many ...
Page 91
... frequency distribution as compared with the normal distribution . Of two distributions having the same standard deviation but different values of M4 ( the fourth moment about the mean ) , the one with the larger value of M4 will be less ...
... frequency distribution as compared with the normal distribution . Of two distributions having the same standard deviation but different values of M4 ( the fourth moment about the mean ) , the one with the larger value of M4 will be less ...
Page 115
... frequency distribution . = In arranging the grades , the pair ( 70 , 63 ) is placed in the cell corres- ponding to the class marks x 72 and y = 62 . The pair ( 96 , 88 ) is placed in the cell corresponding to x = 97 and y = 87. In this ...
... frequency distribution . = In arranging the grades , the pair ( 70 , 63 ) is placed in the cell corres- ponding to the class marks x 72 and y = 62 . The pair ( 96 , 88 ) is placed in the cell corresponding to x = 97 and y = 87. In this ...
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Common terms and phrases
aces applied approximately arithmetic mean average price best fit best line calculated cards cent Chapter class boundaries class interval class limits class mark class width coefficient of correlation computed corresponding cumulative frequencies data of Table determine difference Draw equal equation Ex'y example Figure Find the mean Find the probability formula frequency curve frequency distribution frequency table geometric mean given grades harmonic mean height histogram illustration inches line of best lower boundary Mark Frequency mean and standard mean deviation measure of dispersion median method modal class mode normal curve normal distribution number of items number of permutations number of variates obtain ordinates pair parent population problem quantities sample means sample of 100 selected at random set of data set of numbers sigma notation standard deviation standard units statistical THEOREM total area total number upper boundary variable Σα Συ Συν σχ ху