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 800mg of sodium with a standard deviation of 140mg. A sample of 20 packages was analyzed and the sample standard deviation was 215.7043mg. Is there evidence at =0.05 that the standard deviation of the sodium content exceeds the desired level? Assume the population is normally distributed.

Step1of5:

State the null and alternative hypotheses. Round to four decimal places when necessary.

Step 2 of 5 : 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. Step 3 of 5: Determine the value of the test statistic. Round your answer to three decimal places. Step 4 of 5: Make the decision. Step 5 of 5: What is the conclusion?