1. Poverty and Calcium. A simple random sample of 18 people with incomes below the poverty level gives the following daily calcium intake: 686   423   743      647     734     641     993     620     574      634    850 858   992  775     1113      672      879    609 Test the claim that people with income below the poverty level have a daily calcium intake of less than 800 mg per day.     a) State the null and alternative hypothesis   b) Find test statistics     c) find the p-value approach     d) conclusion

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