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Test_bank_for_elementary_statistics_a_step_by_step_approach_10th_edition_by_bluman

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MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Statistics is the science of conducting studies to A) collect, organize, summarize, analyze, ... and draw conclusions from data. B) monitor, study, and report on a subject. C) hypothesize, experiment, and form conclusions. D) solve a system of equations. 1) TRUE/FALSE. Write 'T' if the statement is true and 'F' if the statement is false. 2) Statistics are used to analyze the results of surveys. It is important to understand the terms and concepts so that one can understand exactly what is being represented (or misrepresented) by a given statement. 2) MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 3) A ____________ is a characteristic or attribute of a subject that can assume different values? A) exponent B) datum C) variable D) sample 3) 4) Variables with values that are determined by chance are called _____________. A) erratic variables. B) random variables. C) inconsistent variables. D) specialized. 4) 5) Each value in a data set may be referred to as either a data value or a(n) ____________. A) subdata B) atom C) point D) datum 5) 6) What is meant by a biased sample? A) A biased sample is a sample created using a weighted die. B) A biased sample is a sample that is not representative of the population. C) A biased sample is a sample selected to reach a pre-determined conclusion. D) A biased sample is a sample that doesn't have a uniform distribution of outcomes. 6) 7) If a weather center monitors and calculates the average number of tornadoes that pass through Topeka, Kansas each year, what type of variable would they be investigating? A) hypothesis variable B) random variable C) controlled variable D) isolated variab [Show More]

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