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Final Exam Practice Fall 2008

# Final Exam Practice Fall 2008 - INTRODUCTORY STATISTICS...

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INTRODUCTORY STATISTICS PRACTICE FINAL EXAMINATION Fall 2008 NAME_________________________ I. Matching (4 Points Each) _____ Correct Decision _____ Test Statistic _____ Region of Rejection _____ One-Tailed Test _____ Simple Random Sample _____ Alternate Hypothesis _____ Central Limit Theorem _____ Hypothesis Testing _____ Level of Significance _____ Systematic Sample A. A ____________________ assumes that each item or person in the population has an equal chance of being included. B. The _____________________ states that if the sample size n is sufficiently large, the sampling distribution of the means will be approximately normal no matter whether the population is normally distributed, skewed, or uniform. C. ___________________is a procedure based on sample evidence and probability theory to decide whether the hypothesis is a reasonable statement. D. An ____________________ is a statement about a population parameter that is accepted when the null hypothesis is rejected. E. The _____________________ is the risk we assume of rejecting the null hypothesis when it is actually true. F. A ______________ is a value determined from sample information collected to test the null hypothesis. G. The _________________ defines the location of all those values that are so large or so small that the probability of their occurrence under a true null hypothesis is rather remote. H. If the null hypothesis is true and the researchers do not reject it, then a ______________ has been made. I. For a _________________of hypothesis, the area of rejection is only in one tail of the curve. J. To conduct a __________________, the researcher must partition the N items in the frame into n groups of k items where, k = N/n, rounding k to the nearest integer. To select a systematic sample, choose the first item to be selected at random from the first k items in the frame. Then select the remaining n – 1 observations by taking every kth item thereafter from the entire frame.

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Part II. Multiple Choice (5 Points Each)
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