Answered: Each of these columns of data represent…

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

Section: Chapter Questions

Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...

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Question

Each of these columns of data represent a different soda bottling line, with the values representing the amount of soda per bottle in ounces. The business question being asked for each of the three comparisons is "do the two bottling lines bottle the same volume of soda on average, bearing in mind that the sample difference that you may observe could just be coincidence."

What is the null hypotheses?

Alternative hypothesis

P value

Alpha=0.05

Is it significant ?

t-Test: Two-Sample Assuming Unequal Variances

	C7	C8
Mean	20.01679499870	20.59290905613
Variance	0.01032479977	0.01011215081
Observations	50.00000000000	50.00000000000
Hypothesized Mean Difference	0.00000000000
df	98.00000000000
t Stat	28.49610006164
P(T<=t) one-tail	0.00000000000
t Critical one-tail	1.66055121707
P(T<=t) two-tail	0.00000000000
t Critical two-tail	1.98446745451

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