For 7-8: Assume that all necessary conditions are met for the hypothesis tests we have studied. a. Formulate the null and alternative hypotheses using mathematical symbols. b. Explain which type of test should be used and why. c. Decide between one-tailed or two-tailed test and sketch an appropriate distribution curve with the appropriate critical value(s) shown on the horizontal axis. d. Calculate relevant sample statistics and the appropriate test value, all to four decimal places. Compute the p-value using a cdf in your calculator (write which calculator menu item was used), and shade in the corresponding area on your sketch. e. f. Verify all results using the Stat -> TESTS Menu in the calculator (write which menu item was used). Write the test value and p-value given by the calculator without rounding at all. g. Decide whether to reject the null or not reject the null, and explain why using both the traditional method and p-value method. h. Rephrase your final decision as a complete sentence that mentions supporting evidence and the claim. 7. Cans of Coke are filled by a machine to about 12 oz each. A randomly selected 36-pack of cans was measured and found to have a mean of 12.19 oz per can and a standard deviation of 0.13 oz. Perform an appropriate hypothesis test, at a = 0.01, for whether the machine is over filling the cans.
For 7-8: Assume that all necessary conditions are met for the hypothesis tests we have studied. a. Formulate the null and alternative hypotheses using mathematical symbols. b. Explain which type of test should be used and why. c. Decide between one-tailed or two-tailed test and sketch an appropriate distribution curve with the appropriate critical value(s) shown on the horizontal axis. d. Calculate relevant sample statistics and the appropriate test value, all to four decimal places. Compute the p-value using a cdf in your calculator (write which calculator menu item was used), and shade in the corresponding area on your sketch. e. f. Verify all results using the Stat -> TESTS Menu in the calculator (write which menu item was used). Write the test value and p-value given by the calculator without rounding at all. g. Decide whether to reject the null or not reject the null, and explain why using both the traditional method and p-value method. h. Rephrase your final decision as a complete sentence that mentions supporting evidence and the claim. 7. Cans of Coke are filled by a machine to about 12 oz each. A randomly selected 36-pack of cans was measured and found to have a mean of 12.19 oz per can and a standard deviation of 0.13 oz. Perform an appropriate hypothesis test, at a = 0.01, for whether the machine is over filling the cans.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:For 7-8: Assume that all necessary conditions are met for the hypothesis tests we have studied.
a. Formulate the null and alternative hypotheses using mathematical symbols.
b. Explain which type of test should be used and why.
c. Decide between one-tailed or two-tailed test and sketch an appropriate distribution curve with
the appropriate critical value(s) shown on the horizontal axis.
d. Calculate relevant sample statistics and the appropriate test value, all to four decimal places.
e. Compute the p-value using a cdf in your calculator (write which calculator menu item was used),
and shade in the corresponding area on your sketch.
f.
Verify all results using the Stat -> TESTS Menu in the calculator (write which menu item was
used). Write the test value and p-value given by the calculator without rounding at all.
g.
Decide whether to reject the null or not reject the null, and explain why using both the traditional
method and p-value method.
h.
Rephrase your final decision as a complete sentence that mentions supporting evidence and the
claim.
7. Cans of Coke are filled by a machine to about 12 oz each. A randomly selected 36-pack of cans was
measured and found to have a mean of 12.19 oz per can and a standard deviation of 0.13 oz. Perform an
appropriate hypothesis test, at a = 0.01, for whether the machine is over filling the cans.
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