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1-20chapter stats

# 378 361 350 375 200 391 375 368 321 what is the 10th

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Unformatted text preview: ox & Whiskers Plot 1-208 Chapter 01 - An Introduction to Business Statistics 110. Quality control is an important issue at ACME Company which manufactures light bulbs. In order to conduct testing of the life hours of their light bulbs, they randomly sampled nine light bulbs and measured how many hours they lasted. 378, 361, 350, 375, 200, 391, 375, 368, 321 What are the inner fences? A. 274.0, 438.0 B. 212.5, 499.5 C. 397.0, 438.0 D. 458.5, 499.5 E. 61.5, 123.0 AACSB: Analytical Studies Bloom's: Application Difficulty: Hard Topic: Box & Whiskers Plot 111. Quality control is an important issue at ACME Company which manufactures light bulbs. In order to conduct testing of the life hours of their light bulbs, they randomly sampled nine light bulbs and measured how many hours they lasted. 378, 361, 350, 375, 200, 391, 375, 368, 321 What are the outer fences? A. 274.0, 438.0 B. 212.5, 499.5 C. 397.0, 438.0 D. 458.5, 499.5 E. 61.5, 123.0 AACSB: Analytical Studies Bloom's: Application Difficulty: Hard Topic: Box & Whiskers Plot 1-209 Chapter 01 - An Introduction to Business Statistics 112. In a survey of 550 randomly-selected college statistic students were surveyed on their impressions of their course, instructor and textbook. The results are as follows: Compute a point estimate of the proportion of all college statistic students who think their instructor was "very effective" A. 0.136 B. 0.536 C. 0.182 D. 0.280 E. 0.014 AACSB: Analytical Studies Bloom's: Application Difficulty: Easy Topic: Proportion 1-210 Chapter 01 - An Introduction to Business Statistics 113. In a survey of 550 randomly-selected college statistic students were surveyed on their impressions of their course, instructor and textbook. The results are as follows: Compute a point estimate of the proportion of all college statistic students who feel their textbook is not "easy" or "very easy" A. 0.189 B. 0.811 C. 0.009 D. 0.656 E. 0.151 AACSB: Analytical Studies Bloom's: Application Difficulty: Medium Topic: Proportion 1-211 Chapter 01 - An Introduction to Business Statistics 114. In a survey of 550 randomly-selected college statistic students were surveyed on their impressions of their course, instructor and textbook. The results are as follows: Compute a point estimate of the proportion of all college statistic students who think the quality of the course was "fair" A. 0.251 B. 0.620 C. 0.129 D. 0.871 E. 0.340 AACSB: Analytical Studies Bloom's: Application Difficulty: Easy Topic: Proportion 1-212 Chapter 01 - An Introduction to Business Statistics 115. In a survey of 550 randomly-selected college statistic students were surveyed on their impressions of their course, instructor and textbook. The results are as follows: Compute a point estimate of the proportion of all college statistic students who think that they had a "very ineffective" or "extremely ineffective" instructor A. 0.282 B. 0.136 C. 0.182 D. 0.280 E. 0.464 AACSB: Analytical Studies Bloom's: Application Difficulty: Medium Topic: Proportion 1-213 Chapter 01 - An Introduction to Business Statistics 116. In a survey of 550 randomly-selected college statistic students were surveyed on their impressions of their course, instructor and textbook. The results are as follows: Of the students who thought their textbook was very hard to read, 50 also thought that the quality of the course was "poor". What proportion of students who think that their textbook was "hard" also thought their course was "poor". A. 0.588 B. 0.155 C. 0.091 D. 0.251 E. 0.616 AACSB: Analytical Studies Bloom's: Application Difficulty: Hard Topic: Proportion 1-214 Chapter 01 - An Introduction to Business Statistics 117. 550 students answered a question with the following results based on their rating of their instructor: What proportion of the students who rated their instructor as very or somewhat effective received a B or better in the class? A. 0.345 B. 0.254 C. 0.482 D. 0.898 E. 0.644 AACSB: Analytical Studies Bloom's: Application Difficulty: Hard Topic: Proportion 118. A measurement located outside the outer fences of a box-and-whisker display is _____. A. always in the first quartile B. an outlier C. always the largest value in the data set D. within the inner fence AACSB: Reflective Thinking Bloom's: Comprehension Difficulty: Medium Topic: Box & Whiskers Plot 1-215 Chapter 01 - An Introduction to Business Statistics 119. Another name for the 50th percentile is the _____. A. Mean B. First quartile C. Median D. Mode E. Third quartile AACSB: Reflective Thinking Bloom's: Knowledge Difficulty: Medium Topic: Percentile 120. The measurement in a sample or a population that occurs most frequently is the _____. A. Mode B. Mean C. Median D. Outlier E. Average AACSB: Reflective Thinking Bloom's: Knowledge Difficulty: Medium Topic: Central Tendency 121. The average of the squared deviations of the individual population measurement from the population mean is the ____...
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