ECAT Statistics MCQS Measure of Dispersion Online Test

first-moment-about-mean-is-always-equal-to-3-a_-_zero,for-a-moderately-skewed-distribution-2-c-which-of-the-following-empirical-formula-holds_-_all-of-these,for-moderately-skewed-distribution-2-c-approximately-80-25-of-the-cases-are-included-between-3-a_-_none-of-these,if-3-cmath-3-e-3-cmrow-3-e-3-cmover-3-e-3-cmi-3-ex-3-c-2-fmi-3-e-3-cmo-stretchy-3-d-22-false-22-3-e-c-2-af-3-c-2-fmo-3-e-3-c-2-fmover-3-e-3-c-2-fmrow-3-e-3-cmo-3-e-3-d-3-c-2-fmo-3-e-3-cmn-3-e-5-3-c-2-fmn-3-e-3-c-2-fmath-3-e-2-c-which-of-the-following-expressions-is-a-minimum-3-f_-_e-2-88-91-28-x-e-2-80-93-5-29-3-csup-3-e-2-3-c-2-fsup-3-e,if-for-a-certain-distribution-a-m-3-d-136-75-2-c-median-3-d-148-50-26-amp-3-b-mode-3-d-152-00-2-c-then-the-distribution-will-be-3-a_-_negatively-skewed,if-q-3-csub-3-e-3-3-c-2-fsub-3-e-3-d-20-and-q-3-csub-3-e-1-3-c-2-fsub-3-e-3-d-10the-coefficient-of-quartile-deviation-is-3-a_-_3-cmath-3-e-3-cmfrac-3-e-3-cmn-3-e-1-3-c-2-fmn-3-e-3-cmn-3-e-3-3-c-2-fmn-3-e-3-c-2-fmfrac-3-e-3-c-2-fmath-3-e,if-third-moment-about-mean-is-equal-to-zero-2-c-then-distribution-is-3-a_-_symmetrical,if-x-and-y-are-independent-2-c-then-s-d-28-x-2-b-y-29-is-equal-to-3-a_-_3-cmath-3-e-3-cmsqrt-3-e-3-cmi-3-ev-3-c-2-fmi-3-e-3-cmi-3-ea-3-c-2-fmi-3-e-3-cmi-3-er-3-c-2-fmi-3-e-3-cmo-stretchy-3-d-22-false-22-3-e-28-3-c-2-fmo-3-e-3-cmi-3-ex-3-c-2-fmi-3-e-3-cmo-stretchy-3-d-22-false-22-3-e-29-3-c-2-fmo-3-e-3-cmo-3-e-2-b-3-c-2-fmo-3-e-3-cmi-3-ev-3-c-2-fmi-3-e-3-cmi-3-ea-3-c-2-fmi-3-e-3-cmi-3-er-3-c-2-fmi-3-e-3-cmo-stretchy-3-d-22-false-22-3-e-28-3-c-2-fmo-3-e-3-cmi-3-ey-3-c-2-fmi-3-e-3-cmo-stretchy-3-d-22-false-22-3-e-29-3-c-2-fmo-3-e-3-c-2-fmsqrt-3-e-3-c-2-fmath-3-e,in-sheppad-e-2-80-99-s-correction-c-2-b-5-3-csub-3-e-2-3-c-2-fsub-3-e-is-equal-to-3-a_-_3-cmath-3-e-3-cmsup-3-e-3-cmi-3-e-ce-bc-3-c-2-fmi-3-e-3-cmn-3-e-2-3-c-2-fmn-3-e-3-c-2-fmsup-3-e-3-cmo-3-e-e-2-88-92-3-c-2-fmo-3-e-3-cmrow-3-e-3-cmfrac-3-e-3-cmsup-3-e-3-cmi-3-eh-3-c-2-fmi-3-e-3-cmn-3-e-2-3-c-2-fmn-3-e-3-c-2-fmsup-3-e-3-cmn-3-e-12-3-c-2-fmn-3-e-3-c-2-fmfrac-3-e-3-c-2-fmrow-3-e-3-c-2-fmath-3-e,in-skewed-distribution-the-three-averages-men-2-c-median-26-amp-3-b-mode-are-3-a_-_different,second-moment-about-mean-is-3-a_-_variance,the-mean-deviation-of-dispersion-can-be-negative-3-a_-_never,the-shape-of-symmetrical-distribution-is-3-a_-_bell-shaped,the-standard-deviation-is-independent-of-3-a_-_change-of-origin,the-statement-that-the-variance-is-equal-to-2nd-moment-about-mean-is-3-a_-_always-true,the-value-of-standard-deviation-changes-by-change-of-3-a_-_scale,to-compare-the-variation-of-two-or-more-than-two-series-2-c-we-use-3-a_-_coefficient-of-variation,which-measure-of-dispersion-is-considered-as-the-best-general-purpose-measure-of-dispersion-3-f_-_standard-deviation,which-of-the-following-is-a-relative-measure-of-dispersion-3-f_-_coefficient-of-variation,which-of-the-following-measures-of-dispersion-is-independent-of-the-units-employed-3-f_-_coefficient-of-variation