The sodium content of a popular sports drink is listed as 220 mg in a 32-oz bottle. Analysis of 10 bottles indicates a sample mean of 228.2 mg with a sample standard deviation of 18.2 mg. (a) State the hypotheses for a two-tailed test of the claimed sodium content. H0: μ ≥ 220 vs. H1: μ < 220 H0: μ ≤ 220 vs. H1: μ > 220 H0: μ = 220 vs. H1: μ ≠ 220 a b c (b) Calculate the t test statistic to test the manufacturer’s claim. (Round your answer to 4 decimal places.) Test statistic (c) At the 5 percent level of significance (α = .05), does the sample contradict the manufacturer’s claim? (Click to select) Do not reject Reject H0. The sample (Click to select) contradicts does not contradict the manufacturer’s claim. (d-1) Use Excel to find the p-value and compare it to the level of significance. (Round your answer to 4 decimal places.) The p-value is . It is (Click to select) greater lower than the significance level of .05. (d-2) Did you come to the same conclusion as you did in part (c)? Yes No
The sodium content of a popular sports drink is listed as 220 mg in a 32-oz bottle. Analysis of 10 bottles indicates a sample
(a) State the hypotheses for a two-tailed test of the claimed sodium content.
- H0: μ ≥ 220 vs. H1: μ < 220
- H0: μ ≤ 220 vs. H1: μ > 220
- H0: μ = 220 vs. H1: μ ≠ 220
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a
-
b
-
c
(b) Calculate the t test statistic to test the manufacturer’s claim. (Round your answer to 4 decimal places.)
Test statistic
(c) At the 5 percent level of significance (α = .05), does the sample contradict the manufacturer’s claim?
(Click to select) Do not reject Reject H0. The sample (Click to select) contradicts does not contradict the manufacturer’s claim.
(d-1) Use Excel to find the p-value and compare it to the level of significance. (Round your answer to 4 decimal places.)
The p-value is . It is (Click to select) greater lower than the significance level of .05.
(d-2) Did you come to the same conclusion as you did in part (c)?
-
Yes
-
No
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