Data on the weights (lb) of the contents of cans of diet soda versus the contents of cans of the regular version of the soda is summarized to the right. Assume that the two samples are independent simple random samples selected from normally distributed populations, and do not assume that the population standard deviations are equal. Complete parts (a) and (b) below. Use a 0.05 significance level for both parts. Diet Regular μ μ1 μ2 n 34 34 x 0.79146 lb 0.81544 lb s 0.00437 lb 0.00752 lb A. Test the claim that the contents of cans of diet soda have weights with a mean that is less than the mean for the regular soda. What are the null and alternative hypotheses? A. H0: μ1≠μ2 H1: μ1<μ2 B. H0: μ1=μ2 H1: μ1<μ2 C. H0: μ1=μ2 H1: μ1>μ2 D. H0: μ1=μ2 H1: μ1≠ The test statistic, t, is ____. (Round to two decimal places as needed.) B. Construct a confidence interval appropriate for the hypothesis test in part (a). C. The P-value is _ D. State the conclusion for the test _ Reject the null hypothesis OR fail to reject the null hypothesis. E. Construct a confidence interval appropriate for the hypothesis test in part (a). _lb<μ1-μ2<__lb F. Does the confidence interval support the conclusion found with the hypothesis test? (NO/YES) because the confidence interval contains (Only negative values/only positive values/zeros)

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Description: Data on the weights (lb) of the contents of cans of diet soda versus the contents of cans of the regular version of the soda is summarized to the right. Assume that the two samples are independent simple random samples selected from normally distrib

MATLAB: An Introduction with Applications

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Data on the weights (lb) of the contents of cans of diet soda versus the contents of cans of the regular version of the soda is summarized to the right. Assume that the two samples are independent simple random samples selected from normally distributed populations, and do not assume that the population standard deviations are equal. Complete parts (a) and (b) below. Use a 0.05 significance level for both parts.

Diet	Regular
μ	μ1	μ2
n	34	34
x	0.79146 lb	0.81544 lb
s	0.00437 lb	0.00752 lb

Test the claim that the contents of cans of diet soda have weights with a mean that is less than the mean for the regular soda.

What are the null and alternative hypotheses?

H0: μ1≠μ2

H1: μ1<μ2

H0: μ1=μ2

H1: μ1<μ2

H0: μ1=μ2

H1: μ1>μ2

H0: μ1=μ2

H1: μ1≠

The test statistic, t, is ______.
(Round to two decimal places as needed.)

B. Construct a confidence interval appropriate for the hypothesis test in part (a).

C. The P-value is _____

D. State the conclusion for the test _____

Reject the null hypothesis OR fail to reject the null hypothesis.

E. Construct a confidence interval appropriate for the hypothesis test in part (a). _____lb<μ1-μ2<____lb

F. Does the confidence interval support the conclusion found with the hypothesis test?

(NO/YES) because the confidence interval contains (Only negative values/only positive values/zeros)

Definition Definition Measure of central tendency that is the average of a given data set. The mean value is evaluated as the quotient of the sum of all observations by the sample size. The mean, in contrast to a median, is affected by extreme values. Very large or very small values can distract the mean from the center of the data. Arithmetic mean: The most common type of mean is the arithmetic mean. It is evaluated using the formula: μ = 1 N ∑ i = 1 N x i Other types of means are the geometric mean, logarithmic mean, and harmonic mean. Geometric mean: The nth root of the product of n observations from a data set is defined as the geometric mean of the set: G = x 1 x 2 ... x n n Logarithmic mean: The difference of the natural logarithms of the two numbers, divided by the difference between the numbers is the logarithmic mean of the two numbers. The logarithmic mean is used particularly in heat transfer and mass transfer. ln x 2 − ln x 1 x 2 − x 1 Harmonic mean: The inverse of the arithmetic mean of the inverses of all the numbers in a data set is the harmonic mean of the data. 1 1 x 1 + 1 x 2 + ...

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