Question

A candy company taste-tested two chocolate bars, one with almonds and one without almonds. A panel of testers rated the bars on a scale of O to 5, with 5 indicating the highest taste rating. Assume the population standard deviations are equal. At the 0.05 significance level, do the ratings show a difference between chocolate bars with or without almonds? With Almonds Without Almonds NWNW met a. State the decision rule for 0.05 significance level: Ho: Hwithout = Mwith His Mwithout Hwith: (Negative amounts should be indicated by a minus sign. Round your answers to 3 decimal places.) Answer is complete but not entirely correct. Reject Ho ift (2.836) S 0.551 b. Compute the test statistic. (Round your answer to 2 decimal places.) & Answer is complete but not entirely correct. Test statistic 0.16

Answer 1

Minitab - Untitled File Edit Data BH Calc Stat Graph Editor Tools Window Help Assistant at 03: 30 BOSE 03 + PED I XIQUETOON Session Two-Sample T-Test and Cl: With Almonds, Without Almond TWO-Sample T for With Almonds vs Without Almond With Almonds Without Almond N Mean StDev SE Mean 71.857 0.900 0.34 5 3.00 1.73 0.77 Difference = u(With Almonds) - (Without Almond) Estimate for difference: -1.143 95% CI for difference: (-2.837, 0.551) T-Test of difference - 0 (VS #): T-Value = -1.50 P-Value = 0.164 Both use Pooled StDev = 1.2984 DF = 10 cз с4 cs c6c7c8 With Almonds Without Almond * 2261 ZZZZJHTS Current Worksheet: Worksheet 2 Type here to search

Given, o.or, Ho: Фін Е Мəің Vs Hill without th with this prob solved using Minitab statistics software. sleps to follow... Inter the data in sepesale colm click on stat & basic statistics 2 sample t test select sample click on equay variance = click ok . O . S al reject Ho if t<-2.837 or t> 0.551 • b] Test statistics = 0.164

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