State STAT 200 Multiple Choice Question

Jul 2nd, 2016
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1.The data summary used to calculate the p-value in order to decide between the null hypothesis and the alternative hypothesis is called a A) test statistic. B) statistically significant result. C) significance level. D) p-value. 2. Determine if the statement is a typical null hypothesis (Ho) or alternative hypothesis (Ha). The average price of a particular statistics textbook over the internet is the same as the average price of the textbook sold at all bookstores in a college town. A) Alternative hypothesis B) Null hypothesis 3. Suppose a 95% confidence interval for p, the proportion of drivers who admit that they sometimes run red lights when no one is around, is 0.29 to 0.38. Which of the following statements is false? A) It is plausible that a majority of all drivers would admit that they sometimes run red lights when no one is around. B) It is plausible that about 37% of all drivers would admit that they sometimes run red lights when no one is around. C) A test of H0:

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State STAT 200 Multiple Choice Question1.The data summary used to calculate the p-value in order to decide between the null hypothesisand the alternative hypothesis is called aA) test statistic.B) statistically significant result.C) significance level.D) p-value.2. Determine if the statement is a typical null hypothesis (Ho) or alternative hypothesis (Ha). Theaverage price of a particular statistics textbook over the internet is the same as the average priceof the textbook sold at all bookstores in a college town.A) Alternative hypothesisB) Null hypothesis3. Suppose a 95% confidence interval for p, the proportion of drivers who admit that theysometimes run red lights when no one is around, is 0.29 to 0.38. Which of the followingstatements is false?A) It is plausible that a majority of all drivers would admit that they sometimes run red lightswhen no one is around.B) It is plausible that about 37% of all drivers would admit that they sometimes run red lightswhen no one is around.C) A test of H0: = 0.5 versus Ha: 0.5 would be rejected using a = 0.05.d) A test of H0: = 0.5 versus Ha: 0.5 would be rejected using a = 0.05.4. A hypothesis test for a population proportion ? is given below:Ho: ? = 0.10 Ha: ? ? 0.10If the sample size n = 500 and sample proportion -hat = 0.04, then the z-statistic is:A) -4.47B) 6.84C) -6.84D) 4.475.Which of the following is not one of the steps for hypothesis testing?A) Assuming the null hypothes

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