Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Computing Algorithms
A computing algorithm is a set of instructions or a process for solving computational problems. In other words, it contains a set of rules that indicate the step-wise process to solve a problem. The algorithm takes a set of inputs, executes the instructi…
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Problem#6 19. Age of Death-Row Inmates In 2002, the mean age of an in- mate on death row was 40.7 years, according to data obtained from the U.S. Department of Justice. A sociologist wondered whether the mean age of a death-row inmate has changed since then. She randomly selects 32 death-row inmates and finds that their mean age is 38.9, with a standard deviation of 9.6. Construct a 95% confidence interval about the mean age. What does the interval imply? Answers: Fail to Reject Ho: t(critical) = -2.0395, t-value = -1.06. CI = 42.36 - 35.44
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Transcribed Image Text:Problem#6 19. Age of Death-Row Inmates In 2002, the mean age of an in- mate on death row was 40.7 years, according to data obtained from the U.S. Department of Justice. A sociologist wondered whether the mean age of a death-row inmate has changed since then. She randomly selects 32 death-row inmates and finds that their mean age is 38.9, with a standard deviation of 9.6. Construct a 95% confidence interval about the mean age. What does the interval imply? Answers: Fail to Reject Ho: t(critical) = -2.0395, t-value = -1.06. CI = 42.36 - 35.44
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