Question #9- Stats 200-Please assist with problem.
There is conﬂicting information about whether a new medication affecls a person’sability to concentrate as measured by time spent on a task. You wish to test the following claim W at a signiﬁcance level of 1:0.05l1=0.05.For the context of this problem, m=u17uiud=u2—nl where the ﬁrst data set represents apre—test measure oftime on task and the second data set represents a post—test measure ofﬂine onlask. Hm:OI-Io:p.d=0uuwPOHa: 31th You believe the population of difference scores is normally distributed= but you do notknow the standard deviation You obtain the following sample of data: are—test Dost—test37.] 3637.8 38.340.5 52.163.6 71.172.2 84.756.4 7′ 1.965.8 67.5 What is the test statistic for this sample? (Report answer accurate to three decimalplaces.) test statistic = What is the 7 alue forthis sample? (Report answu aocmate to four decimal places.)pHralue : The pvalue is…o F 1essthan(orequalto)rm.. (" greater than an This test statistic leads to a decision to…. “ reject the null. (- accept the null. “ fail to reject the null As such, the ﬁnal conclusion is that… (- There is suﬂic-iﬂit evidence to wanant rejection of the claim that the meandiﬂ’ﬂence ofpost—tat ﬁ’om pre—test is greater than 0. (" There is not sufﬁcient evidrmce to warrant rejection ofthe daini‘that themean diﬁa’ence of post—test: from pre-test is greater than 0. P The sample data support the claim that the mean difference of post-test frompreitest is grth than 0. (- There is not sufﬁcient sample evidence II! support the claimthat the meandiﬂ’ﬂence ofpostitat ﬁ’om preitest is greater than 0.