Which of the following statements is true regarding the chi- square critical val

Question

Which of the following statements is true regarding the chi- square critical value.

1. Is the value that cuts off the upper 15 % of the distribution. By chance alone the chi-square statistic will exceed this value 15% of the time. In a particular problem, if the chi-square statistic exceeds the critical value we must conclude that we are observing a rather unlikely set of results
2. None of these

3. Is the value that cuts off the upper 5 % of the distribution. By chance alone the chi-square statistic will exceed this value 5% of the time. In a particular problem, if the chi-square statistic exceeds the critical value we must conclude that we are observing a rather unlikely set of results or that the experiment was conducted improperly. With this critical value we will never reject a true hypothesis.
4. Is the value that cuts off the upper 5 % of the distribution. By chance alone the chi-square statistic will exceed this value 5% of the time. In a particular problem, if the chi-square statistic exceeds the critical value we must conclude that we are observing a rather unlikely set of results or that the experiment was conducted improperly. With this critical value we will always accept the true hypothesus
5. Is the value that cuts off the upper 5 % of the distribution. By chance alone the chi-square statistic will exceed this value 5% of the time. In a particular problem, if the chi-square statistic exceeds the critical value we must conclude that we are observing a rather unlikely set of results or that the experiment was conducted improperly

Explanation / Answer

2 and 4th are true

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