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# 274_assign4 - PSYC 274 Assignment P 66 1 Bimodal...

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PSYC 274 - Assignment P. 66 - 1 Bimodal distribution: a distribution with 2 modes. Descriptive statistics: they describe the raw data w/ a single number Measures of central tendency: numbers that represent the average or typical score obtained from measurements of a sample Mdn: abbreviated form of Median Median: a score value in the distribution w/ an equal number of scores above and below it. The median is the 50 th percentile in a distribution. Mode: the most freq occurring scores in a distribution of scores. Multimodal distribution: a distribution w/ more than two modes. Unimodal distribution: a distribution w/ one mode. P. 66 -2 One type: measures of central tendency > indicates the typical score obtained 2 nd type: measure of variability > indicateds the amount of variation or dispersion around the typical score. P. 66 – 3 15, 17, 20, 24, 27, 27, 27, 29, 32, 36, 38, 46 , 48, 49, 49, 49, 49 , 50, 53, 56, 61, 65, 66, 67 a) mode: 49 b) distribution: unimodal P. 66 – 4 a) mode: 27

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274_assign4 - PSYC 274 Assignment P 66 1 Bimodal...

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