Descriptive Statistics 0.0 / 5 ? PsychologyDescriptive statistics terminologyUniversityNone Created by: carleyl95Created on: 14-01-20 11:34 Sum of all the scores in the dataset divided by the number of scores in the dataset- most frequently used, but sensitive to extreme scores mean 1 of 22 the middle score after putting all of the scores into ascending order median 2 of 22 the most frequent score in the dataset mode 3 of 22 calculate the mean of a number of samples and then calculate the mean of all of those. population mean 4 of 22 a type of graph which shows the frequency of values in a sample, and shows the distribution of those scores histogram 5 of 22 a graph that shows the frequency of scores, but retains the values of each individual observation stem and leaf plot 6 of 22 a graph in which you can see extreme scores and distributions boxplot 7 of 22 all of the possible people/items with a particular characteristic interested in population 8 of 22 a selection of people/items from the target population sample 9 of 22 a graph showing a relationship between two variables scattergram 10 of 22 peaks in the middle, and tails to each side symmetrical normal distribution 11 of 22 measure of how peaked the distribution is kurtosis 12 of 22 a flat distribution platykurtic 13 of 22 a very peaked distribution leptokurtic 14 of 22 a normal disctribution mesokurtic 15 of 22 extended tail to the right positively skewed 16 of 22 extended tail to the left negatively skewed 17 of 22 two pronounced peaks, usually when there are two distinct populations underlying the data bimodal distribution 18 of 22 degree to which the scores are different from one another variance 19 of 22 highest minus lowest score in dataset range 20 of 22 how much the scores vary around the mean standard deviation 21 of 22 chance that population mean will fall between the upper and lower limits 95% confidence interval 22 of 22
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