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Chapter 7 – 11 MATH 200 Vocab Practice

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Chapter 7 Vocab PracticeA criticalvalue, z Subscript alphazα, denotes the_______.A critical value, z alpha, denotes the z-score with an area of alpha to its right.Which concept below is NOT a main idea of estimating a population proportion?”Using a sample statistic to estimate the population proportion is utilizing descriptive statistics” isNOT a main idea of estimating a population proportion.Which of the following groups has terms that can be used interchangeably with others?Percentage, Probability, and Proportion can be used interchangeably with each other.A_______ is a single value used to approximate a population parameter.A Point Estimate is a single value used to approximate a population parameter.Which of the following is NOT true of the confidence level of a confidence interval?“”There is a 1 – alpha chance, where alpha is the complement of the confidence level, that the true value of p will fall in the confidence interval produced from our sample.” is not true regarding the confidence level of a confidence interval.Which of the following is NOT an observation about critical values?”A critical value is the area in the right-tail region of the standard normal curve” is NOT an observation about critical values.Which of the following is NOT a requirement for constructing a confidence interval for estimating the populationproportion?”The trails are done without replacement” is NOT a requirement for constructing a confidence interval for estimating the population proportion.When analyzingpolls, which of the following is NOT aconsideration?When analyzing polls, the sample should be a voluntary response or convenience sample.Which of the following is NOT needed to determine the minimum sample size required to estimate a populationproportion?Standard Deviation is NOT needed to determine the minimum sample size required to estimate a population proportion.The number of_______ for a collection of sample data is the number of sample values that can vary aftercertain restrictions have been imposed on all data values.The number of degrees of freedom for a collection of sample data is the number of sample values that can vary after certain restrictions have been imposed on all data valuesWhich of the following is NOT a property of the Student tdistribution?”The standard deviation of the Student t distribution is s=1″ is NOT a property of the Student t distribution.The_______ is the best point estimate of the population mean.The sample mean is the best point estimate of the population meanWhich of the following calculations is NOT derived from the confidenceinterval?The population mean, (upper confidence limit + lower confidence limit) is not derived from the confidence interval.Which of the following is NOT a requirement for constructing a confidence interval for estimating a population mean with sigma σ known?

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