1-20chapter stats

73 c 2240 d 324 e 676 aacsb analytical studies blooms

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Unformatted text preview: m's: Application Difficulty: Medium Topic: Variability 1-188 Chapter 01 - An Introduction to Business Statistics 65. The company financial officer was interested in the average cost of PCs that had been purchased in the past six months. A random sample of the price of 10 computers was taken with the following results (mean = $3,213): $3,250, $1,127, $2,995, $3,250, $3,445, $3,449, $1,482, $6,120, $3,009, $4,000 What is the standard deviation? A. 1359 B. 4993 C. 1846575 D. 3587 E. 1976454 AACSB: Analytical Studies Bloom's: Application Difficulty: Medium Topic: Variability 66. The local amusement park was interested in the average wait time at their most popular roller coaster at the peak park time (2 p.m.). They selected 13 patrons and had them get in line between 2 and 3 p.m. Each was given a stop watch to record the time they spent in line. The times recorded were as follows (in minutes) (mean = 114.15): 118, 124, 108, 116, 99, 120, 148, 118, 119, 121, 45, 130, 118 What is the range? A. 103 B. 23.62 C. 557.97 D. 128.8 E. 115 AACSB: Analytical Studies Bloom's: Application Difficulty: Easy Topic: Variability 1-189 Chapter 01 - An Introduction to Business Statistics 67. The local amusement park was interested in the average wait time at their most popular roller coaster at the peak park time (2 p.m.). They selected 13 patrons and had them get in line between 2 and 3 p.m. Each was given a stop watch to record the time they spent in line. The times recorded were as follows (in minutes) (mean = 114.15): 118, 124, 108, 116, 99, 120, 148, 118, 119, 121, 45, 130, 118 What is the variance? A. 103 B. 23.62 C. 557.97 D. 128.8 E. 115 AACSB: Analytical Studies Bloom's: Application Difficulty: Medium Topic: Variability 68. The local amusement park was interested in the average wait time at their most popular roller coaster at the peak park time (2 p.m.). They selected 13 patrons and had them get in line between 2 and 3 p.m. Each was given a stop watch to record the time they spent in line. The times recorded were as follows (in minutes) (mean = 114.15): 118, 124, 108, 116, 99, 120, 148, 118, 119, 121, 45, 130, 118 What is the standard deviation? A. 103 B. 23.62 C. 557.97 D. 128.8 E. 115 AACSB: Analytical Studies Bloom's: Application Difficulty: Medium Topic: Variability 1-190 Chapter 01 - An Introduction to Business Statistics 69. 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 (mean = 346.6). 378, 361, 350, 375, 200, 391, 375, 368, 321 What is the range? A. 342.43 B. 3424.3 C. 58.5 D. 191 E. 10609 AACSB: Analytical Studies Bloom's: Application Difficulty: Easy Topic: Variability 70. 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 (mean = 346.6). 378, 361, 350, 375, 200, 391, 375, 368, 321 What is the variance? A. 342.43 B. 3424.3 C. 58.5 D. 191 E. 10609 AACSB: Analytical Studies Bloom's: Application Difficulty: Medium Topic: Variability 1-191 Chapter 01 - An Introduction to Business Statistics 71. 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 (mean = 346.6). 378, 361, 350, 375, 200, 391, 375, 368, 321 What is the standard deviation? A. 342.43 B. 3424.3 C. 58.5 D. 191 E. 10609 AACSB: Analytical Studies Bloom's: Application Difficulty: Medium Topic: Variability 72. In a statistic class, 10 scores were randomly selected with the following results were obtained: 74, 73, 77, 77, 71, 68, 65, 77, 67, 66 What is the 90th percentile? A. 77 B. 73 C. 74 D. 67 E. 65.9 AACSB: Analytical Studies Bloom's: Application Difficulty: Medium Topic: Percentile 1-192 Chapter 01 - An Introduction to Business Statistics 73. In a statistic class, 10 scores were randomly selected with the following results were obtained: 74, 73, 77, 77, 71, 68, 65, 77, 67, 66 What is the third quartile? A. 65.9 B. 67.3 C. 66.75 D. 73.85 E. 77.0 AACSB: Analytical Studies Bloom's: Application Difficulty: Medium Topic: Percentile 74. In a statistic class, 10 scores were randomly selected with the following results were obtained: 74, 73, 77, 77, 71, 68, 65, 77, 67, 66 What is the first quartile? A. 65.9 B. 67.3 C. 66.75 D. 73.85 E. 77.0 AACSB: Analytical Studies Bloom's: Application Difficulty: Medium Topic: Percentile 75. In a statistic class, 10 scores were randomly selected with the following results were obtained: 74, 73, 77, 77, 71, 68, 65, 77, 67, 66 What is the 10th percentile? A. 65.9 B. 67.3 C. 66.75 D. 73.85 E. 77.0 AACSB: Analytical Studies Bloom's: Application Difficulty: Medium Topic: Percentile 1-193 Chapter...
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This document was uploaded on 01/20/2014.

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