please show all steps A candy company taste-tested two chocolate bars, one with

Question

please show all steps

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 0 to 5, with 5 indicating the highest taste rating. If the bar had almonds, the rating was assigned a code of 1; if the bar did not have almonds, the rating was assigned a code of O Assume the population standard deviations are equal. At the .05 significance level, do the ratings show a difference between chocolate bars with or without almonds? Rating WithWithout Rating WithWithout 2 The test statistic is (Round your answer to 2 decimal places.) Decision: Do not reject vlHo. .-Hz

Explanation / Answer

t-statistics is 5.16

p value is less than 0.05. Therefore, we reject the null hypothesis.

SUMMARY OUTPUT Regression Statistics Multiple R 0.429339 R Square 0.184332 Adjusted R Square 0.102765 Standard Error 1.298351 Observations 12 ANOVA df SS MS F Significance F Regression 1 3.809524 3.809524 2.259887 0.16367 Residual 10 16.85714 1.685714 Total 11 20.66667 Coefficients Standard Error t Stat P-value Lower 95% Upper 95% Lower 95.0% Upper 95.0% Intercept 3 0.58064 5.166712 0.000421 1.706253 4.293747 1.706253 4.293747 with/without -1.14286 0.760236 -1.50329 0.16367 -2.83677 0.551055 -2.83677 0.551055

Related Questions

Navigate

• Browse (All)
• Browse P
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.