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Are these value “significant” enough to prove or disprove a claim?

Are these value “significant” enough to prove or disprove a claim?. Homework. Page 734, problem 11.61 Page 735 Case Closed! (Data and more information is found on page 685). Steps in a Hypothesis-testing Analysis. Describe the population characteristics

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Are these value “significant” enough to prove or disprove a claim?

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  1. Are these value “significant” enough to prove or disprove a claim?

  2. Homework • Page 734, problem 11.61 • Page 735 Case Closed! (Data and more information is found on page 685)

  3. Steps in a Hypothesis-testing Analysis • Describe the population characteristics • State the null and alternative hypothesis • Select the significance level α for the test • Display the test statistic to be used • Check to make sure that any assumptions are reasonable • Compute statistic and p-value • State conclusion

  4. A random sample of 2700 California lawyers reveals only 1107 who felt that ethical standards of most lawyers are high. Does this provide strong evidence for concluding that fewer than 50% of all California lawyers feel this way?

  5. 137 randomly selected Georgia Tech students who have the HOPE entering as freshman were selected. At the end of their first year, 53.2% had a GPA below 3.0 and lost their HOPE scholarship. Does this data provide convincing evidence that a majorityof student at Georgia Tech lose their scholarship?

  6. A random sample of 12 frozen dinners of a certain type was selected and the calorie content of each one was determined. Here are the resulting observations: 255, 244, 239, 242, 265, 245, 259, 248, 225, 226, 251, and 233. The stated calorie content on the package is 240. Does the random sample provide evidence that the average calorie content is 240?

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