Given the following distribution: 14, 10, 12, 14, 14, 10, 8Calculate the mean, median, mode, standard deviation, and range.Calculate the mean, median, mode, standard deviation, and range forthe following distribution: 109, 110, 109, 107, 106, 100, 801.When scores are arranged in order of magnitude, the researcher has formed aa. histogram b. measure of centralityc. measure of dispersiond. distribution2.When a distribution is skewed, the researcher who is interested in central tendency should use thea. meanb. medianc. moded. percentile3.The influence of a few extreme scores in one direction most effects the value of thea. meanb. medianc. moded. percentile4. The absicca is the a. the horizontal axis b. the vertical axisc. the connected points on a polygon. d. a measure of central tendency5.The following are all measures of central tendency except thea. meanb. medianc. ranged. mode6.When we say that the average height of all adult females in the U.S. is known to be 5″6″, we are usinga. descriptive statisticsb. inferential statisticsc. predictive statisticsd. probability estimates7. When a researcher attempts to estimate the characteristics of an entire population on the basisof sample measures, the techniques are calleda. descriptive statisticsb. inferential statisticsc. Skewed statisticsd. b and c, but not a8. The _____ is a point on a distribution/scale such that half the observation falls above it and halfbelow it.a.modeb.arithmetic meanc.standard deviationd.median9. Statistics as a general field is divided into two subareas. They area. predictive and inferential.b. descriptive and inferential.c. nominal and ordinal.d. none of these.10. When scores are arranged in order of magnitude, the researcher has formed aa.histogram.b.measure of centrality.c.measure of dispersion.d.distribution.11. When a distribution shows a large majority of very low scores and a few very high scores, the distribution is said to bea.skewed to the rightb.skewed to the left.c.skewed to the middled.bimodal.12. When each score is listed in order of magnitude, together with the number of individuals receiving each score, the researcher has set upa.a unimodal distribution.b.a bimodal distribution.c.a skewed distribution.d.a frequency distribution.13. The ordinate is identical to thea.X axis.b.Y axis.c.mean.d.none of these.14. The difference between the highest and lowest scores in any distribution is calleda.the deviation score.b.the standard deviation.c.the range.d.none of these.15. One major defect of the range is thata.it included the entire width of the distribution.b.it is based on only two scores.c.it is not a measure of variability.d.all of these.16. The standard deviation is a measure ofa.how far all the scores vary from the mean.b.how far the middlemost 50% of cases vary form the mean.c.how far the highest and lowest scores vary form each other.d.central tendency.17. The standard deviation must always be calculated with reference to thea.decile.b.median.c.mode.d.mean.18. The more heterogeneous the distribution of scores,a.the smaller the standard deviation.b.the larger the standard deviation.c.the more the distribution tends to be skewed.d.the greater the chance of excluding extreme scores.19. A distribution with a large standard deviation must also have a largea.number of scores near the mean.b.number of scores near the median.c.variance.d.none of these.20. A platykurtic distribution always hasa.a relatively small standard deviation.b.a relatively large standard deviation.c.a standard deviation of zero.d. a few extreme scores at just one end of the distribution.21. The term which defines the flatness or peakedness of a curve isa.homoscedasticityb.rangevalues.c.central tendency.d.kurtosis.22. When most scores cluster closely around the mean, the curve isa.asymmetrical.b.platykurtic.c.shaped like a Ud.leptokurtic.23. When an extremely homogeneous set of scores is graphed, then the resulting frequency distribution curve isa.platykurtic.b.leptokurtic.c.mesokurtic.d.bimodal.24. If the range on a mesokurtic distribution is equal to 60, then the standard deviation will be approximately equal toa.10.b.360.c..17.d.impossible to determine from the facts given.25. Of the following, indicate which is not a measure of variabilitya.rangeb.percentilec.standard deviationd.variance.
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