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# Hypothesis Testing of Mean

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Stats questions, Fill in the blanks Q20-26.

20. Given H0: &#956;= &#956;0, then Ha : ___________________________________ .

21. Given H0: &#956; &#8804; &#956;0, then Ha : ___________________________________ .

22. Given H0: &#956; &#8805; &#956;0, then Ha : ___________________________________ .

23. A statement of what you wish to conclude goes in the ______________.

24. A market analyst believes that more than 30% of the adults in a certain area regularly read a certain magazine. The analyst wishes to conduct a hypothesis test to see whether this belief will be supported. The appropriate statistical hypotheses are: __________________.

25. Given: H0: &#956; &#8805; 50; Ha: &#956; < 50; &#945; = 0.05. A simple random sample of size 64 is drawn from a non-normally distributed population. = 45, s2 = 256. The computed value of the test statistic is _________________, which is compared for significance with a value from the ____________________ distribution. X

26. Given: H0: &#956;= 100; Ha: &#956; &#8800; 100; &#945; = 0.03; computed z = 2.25, p = 0.0244. The null hypothesis should reject because __________________________________________.