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10 points Nutritional researchers want to investigate the effectiveness of a special higil reducing serum...

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10 points Nutritional researchers want to investigate the effectiveness of a special higil reducing serum cholesterol level in men 22 randomly selected men were given the SHF diet for two months and their cholesterol level measured 30 men in the control group are given regular diet The following sample results are available Treatment Group Individuals on SHF diet 22 110 10 Sample Size Sample Mean Average cholesterol level in mg dl Sample Standard Deviation Test the hypothesis that there is no difference in average cholesterol levels of the two populations a State the null and alternative hypotheses in this box Answer written outside this box will not be considered b What is the degree of freedom for this test Control Group Individuals on regular diet 30 120 8 Write your answer in this box Answer written outside this box will not be considered d Test the hypothesis using a 0 01 Show work below and write your conclusion in this box Conclusion written outside this box will not be considered c What is the critical value for testing the above hypothesis using 1 level of significance Write your answer in this box Answer written outside this box will not be considered

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