The manufacturers of Oriental Spice Sauce are concerned that the sodium levels in their product vary too much. A package of the sauce is supposed to contain 700mg700mg of sodium with a standard deviation of 120mg120mg. A sample of 1515 packages was analyzed and the sample mean was 720mg720mg and the sample standard deviation was 71.8642mg71.8642mg. Is there evidence at α=0.1α=0.1 that variation has changed from the desired level?
Determine the critical value(s) of the test statistic. If the test is two-tailed, separate the values with a comma. Round your answer to three decimal places.
The manufacturers of Oriental Spice Sauce are concerned that the sodium levels in their product vary too much. A packag
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The manufacturers of Oriental Spice Sauce are concerned that the sodium levels in their product vary too much. A packag
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