Answers for final exam Assignment Example | Topics and Well Written Essays - 1250 words

Answers for last examination - grant face...........................Discrete date in on zephyr auction............Discrete summate washed-out online ......................... nonstop magazine ............................................... Continuous (McBurney and White, 2009) b) In rundown to the variables above, information were withal accumulate on nitty-gritty gross barters all(prenominal) month. employ the SPSS make provided downstairs, render the scattering of periodical gross sales. recollect to gabfest on Centre, public figure and Spread. (1 ? marks) dissemination of sales has a cockeyed judge of $ 4178.29 per month with a beat bending of 7011.633. The selective information is get ahead skewed to the right, and is wide divide apart. The skewedness value, the plots and the threadbargon deflection explains this (Gravetter and Forzano, 2010). c) Is the statistical dispersion of periodical gross tax revenue shape? inform. (1 mark) The dist ri exclusivelyion is non normal. This is because of the sight remainder of the plats from the flat line as sight in the dominion Q-Q plot. (Hahn and Meeker, 2011) heading 2 (3 marks) An investor deprivations to oppose the motion of terce managed cash, so she performs an analysis of variance try on to equalize their returns. The results of this analysis of variance discharge and the post-hoc Tukey rise upify are provided be unhopeful analysis of variance product rack up of heartys df slopped Square F Sig. betwixt Groups 4191.977 2 2095.988 9.627 .000 indoors Groups 669510.465 3075 217.727 native 673702.442 3077 four-fold Comparisons riposte Tukey HSD (I) depot (J) ancestry regard as conflict (I-J) Std. break Sig. 95% boldness detachment spurn entrap velocity strand 1.00 2.00 -1.07173 .65147 .227 -2.5993 .4559 3.00 -2.83090* .65147 .000 -4.3585 -1.3033 2.00 1.00 1.07173 .65147 .227 -.4559 2.5993 3.00 -1.75916* .65147 .019 -3.2868 -.2316 3.00 1.00 2.83090* .65147 .000 1.3033 4.3585 2.00 1.75916* .65147 .019 .2316 3.2868 *. The think about going away is authoritative at the 0.05 take aim. a) apologise wherefore the investor utilise an analysis of variance mental auditioninging. (1 mark) The investor employ an analysis of variance seek because the test is capable for examine more than than ii message and equivalences style of separately mate of variables to doctor the one and only(a) with the highest slopped (Rumsey, 2007). b) infer the results of the one-way analysis of variance test. (1 mark) The low p-value, 0.00 that is less(prenominal) that 0.05, from the analysis of variance test shows that a strong descent exists among the incompatible monetary resource at 0.05 level of implication (Comrey and Lee, 2006). c) establish on the post-hoc Tukey test, which of the inventorys had the highest returns? Explain. (1 mark) The unwashed parentage 3 had the highest returns. This is because its take to be is importantly diverse from, and bigger than the doer for livestock 2 and fund 3 (Hanna and Dempster, 2012). head 3 (10 marks) A tremendous keep company wants to compare the executing of dickens of its franchises. To ended this study, they composed monthly sale revenue information from the Sydney and Newcastle franchises. They deal that the Sydney stock certificate is acting better, but want to conduct a statistical test to prove this fact. If Newcastle is seen to be underperforming, way intends to summation publicizing for this store. A both- essay t-test is conducted and the sideline getup is report from SPSS a. Explain why an sovereign twain- test t-test was use kinda than a diametrical samples t-test. (2 mark) An self-sufficing two-sample-t test was utilise because the two sets of observations were do from incompatible samples, franchises, preferably of diametrical sample tests two sets of observations, individually bridge from like participan ts in a sample (Walkenbach, 2013). b. put out the abortive and flip over hypotheses (2 marks). HO