Unformatted text preview: _.
A. Standard deviation
B. Mean
C. Variance
D. Median
E. Range AACSB: Reflective Thinking
Bloom's: Knowledge
Difficulty: Medium
Topic: Variability 1216 Chapter 01  An Introduction to Business Statistics 122. A(n) _____ process is able to consistently produce outputs that meet specifications.
A. in control
B. capable
C. normal
D. statistically average
E. constant AACSB: Reflective Thinking
Bloom's: Knowledge
Difficulty: Medium
Topic: Statistical Process 123. The difference between the largest and smallest measurements in a population or sample
is the _____.
A. Mean
B. Median
C. Range
D. Variance
E. Standard deviation AACSB: Reflective Thinking
Bloom's: Knowledge
Difficulty: Easy
Topic: Variability 124. If the mean is greater than the median, then the distribution is _____.
A. skewed right
B. skewed left
C. symmetrical
D. bimodel AACSB: Reflective Thinking
Bloom's: Knowledge
Difficulty: Medium
Topic: Central Tendency 1217 Chapter 01  An Introduction to Business Statistics 125. The point estimate of the _______________ is the positive square root of the sample
variance.
A. sample mean
B. sample standard deviation
C. range
D. median
E. population standard deviation AACSB: Reflective Thinking
Bloom's: Knowledge
Difficulty: Medium
Topic: Variability 126. Getting a process into statistical control does not guarantee that the process is capable of
_____.
A. Remaining in control
B. Having no outliers
C. Meeting specifications
D. A & C
E. none of the above AACSB: Reflective Thinking
Bloom's: Knowledge
Difficulty: Medium
Topic: Statistical Process 127. The ____________________ is a quantity that measures the variation of a population or
sample relative to its mean.
A. Mean
B. Standard deviation
C. Range
D. Coefficient of variation
E. Zscore AACSB: Reflective Thinking
Bloom's: Knowledge
Difficulty: Medium
Topic: Variability 1218 Chapter 01  An Introduction to Business Statistics 128. Compute the population variance of the data:
16,18,23,21,17,16,24,23,9,17,11,16,22,10,15,14.
A. 21.9
B. 3.87
C. 20.5
D. 17.0
E. 3.625 AACSB: Analytical Studies
Bloom's: Application
Difficulty: Medium
Topic: Variability 129. If the median of a data set is 760 and the upper quartile is 950, and the lower quartile is
650, what is the interquartile range?
A. 300
B. 190
C. 110
D. 150
E. 910 AACSB: Analytical Studies
Bloom's: Application
Difficulty: Medium
Topic: Box & Whiskers Plot 1219 Chapter 01  An Introduction to Business Statistics 130. Given a set of data with a mean of 150 and a standard deviation of 20. Using
Chebyshev's Theorem, what is the minimum percentage of data between 110 and 190?
A. 95.44%
B. 93.75%
C. 68.26%
D. 75.00%
E. 98.75% AACSB: Analytical Studies
Bloom's: Application
Difficulty: Hard
Topic: Chebyshev's Theorem 131. Compute the sample standard deviation of the data set 6,4,2,1,4,1
A. 1.83
B. 2.00
C. 1.41
D. 3.33
E. 4.00 AACSB: Analytical Studies
Bloom's: Application
Difficulty: Medium
Topic: Variability 1220 Chapter 01  An Introduction to Business Statistics 132. If 50 of 500 sampled customers said they would make a purchase of a new TV set, what
is the sample proportion?
A. .10
B. .20
C. .15
D. .25 AACSB: Analytical Studies
Bloom's: Application
Difficulty: Easy
Topic: Proportion 133. Which of these are important properties of any data set?
A. outliers
B. variation
C. shape
D. B & C
E. none of the above AACSB: Reflective Thinking
Bloom's: Evaluation
Difficulty: Hard
Topic: Descriptive Statistics 134. If specifications are (1.6, 1.8), and a 99.73 percent tolerance interval is (1.62, 1.83), is
the process capable?
A. Yes, always
B. Yes, 99.73% of the time
C. No AACSB: Analytical Studies
Bloom's: Comprehension
Difficulty: Medium
Topic: Statistical Process 1221 Chapter 01  An Introduction to Business Statistics 135. The average lateness for one of the top airline companies is 10 minutes. The variance of
the lateness measure is calculated as 9. An airplane arrived 13 minutes after the stated arrival
time. Calculate the Zscore for this particular airplane's lateness.
A. 0.33
B. 0.58
C. 1.33
D. 0.44
E. 1.00 AACSB: Analytical Studies
Bloom's: Application
Difficulty: Medium
Topic: Variability 136. The average life of Canadian women is 73.75 years and the standard deviation of the
women's life expectancy in Canada is 6.5 years.
Using the Chebyshev's theorem, determine the minimum percentage of women in Canada
whose life expectancy is between 64 and 83.5 years.
A. 93.17%
B. 68.26%
C. 55.56%
D. 88.89%
E. 33.33% AACSB: Analytical Studies
Bloom's: Application
Difficulty: Medium
Topic: Chebyshev's Theorem 1222 Chapter 01  An Introduction to Business Statistics 137. The average life of Canadian women is 73.75 years and the standard deviation of the
women's life expectancy in Canada is 6.5 years.
Based on Chebyshev's inequality determine the upper and lower bounds on the average life
expectancy of the Canadian women such that at least 90% of all population is included.
A. [12.09 135.41]
B. [8.75 138.75]
C. [...
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 Winter '14
 Frequency, Frequency distribution, Histogram, AACSB, Statistical charts and diagrams

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