1-20chapter stats

# The times recorded were as follows in minutes 118 124

This preview shows page 1. Sign up to view the full content.

This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: t 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 is the 90th percentile? A. 335.5 B. 370.5 C. 380.6 D. 296.8 E. 375 105. 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 is the third quartile? A. 335.5 B. 370.5 C. 380.6 D. 296.8 E. 375 1-143 Chapter 01 - An Introduction to Business Statistics 106. 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 is the first quartile? A. 335.5 B. 370.5 C. 380.6 D. 296.8 E. 375 107. 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 is the 10th percentile? A. 335.5 B. 370.5 C. 380.6 D. 296.8 E. 375 108. 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 is the 65th percentile? A. 335.5 B. 370.5 C. 380.6 D. 296.8 E. 375 1-144 Chapter 01 - An Introduction to Business Statistics 109. 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 is the IQR? A. 41 B. 22 C. 61.50 D. 191 E. 82 110. 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, 123.0 111. 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 1-145 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 1-146 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 1-147 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 1-148 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 1-149 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...
View Full Document

{[ snackBarMessage ]}

### What students are saying

• As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

Kiran Temple University Fox School of Business ‘17, Course Hero Intern

• I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

Dana University of Pennsylvania ‘17, Course Hero Intern

• The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

Jill Tulane University ‘16, Course Hero Intern