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the corresponding descriptor of the sample.
A. Sampling error
B. Nonobservation error
C. Observation error
D. Nonresponse AACSB: Reflective Thinking
Bloom's: Knowledge
Difficulty: Medium
Topic: Sampling 30. The central limit theorem states that as the sample size increases the distribution of the
sample ________ approach the normal distribution.
A. medians
B. means
C. standard deviations
D. variances AACSB: Reflective Thinking
Bloom's: Knowledge
Difficulty: Medium
Topic: Central limit theorem 31. Consider two population distributions labeled A and B. Distribution A is highly skewed
and nonnormal, while the distribution B is slightly skewed and near normal. In order for the
sampling distributions of A and B to achieve the same degree of normality:
A. Population A will require a larger sample size.
B. Population B will require a larger sample size.
C. Population A and B will require the same sample size.
D. None of the above AACSB: Reflective Thinking
Bloom's: Analysis
Difficulty: Medium
Topic: Sampling distribution 1573 Chapter 01  An Introduction to Business Statistics 32. As the sample size ______________ the variation of the sampling distribution of
___________.
A. Decreases, decreases
B. Increases, remains the same
C. Decreases remains the same
D. Increases, decreases
E. None of the above AACSB: Reflective Thinking
Bloom's: Comprehension
Difficulty: Medium
Topic: Sampling distribution of sample mean 33. Consider a sampling distribution formed based on n = 3. The standard deviation of the
population of all sample means
is ______________ less than the standard deviation of
the population of individual measurements σ.
A. Always
B. Sometimes
C. Never AACSB: Reflective Thinking
Bloom's: Comprehension
Difficulty: Easy
Topic: Sampling distribution of sample mean 34. If the sampled population has a mean 48 and standard deviation 16, then the mean and the
standard deviation for the sampling distribution of
A. 4 and 1
B. 12 and 4
C. 48 and 4
D. 48 and 1
E. 48 and 16 AACSB: Analytic
Bloom's: Knowledge
Difficulty: Medium
Topic: Sampling distribution of sample mean 1574 for n = 16 are: Chapter 01  An Introduction to Business Statistics 35. A manufacturing company measures the weight of boxes before shipping them to the
customers. If the box weights have a population mean and standard deviation of 90 lbs. and
24 lbs. respectively, then based on a sample size of 36 boxes, the probability that the average
weight of the boxes will exceed 94 lbs. is:
A. 34.13%
B. 84.13%
C. 15.87%
D. 56.36%
E. 16.87% AACSB: Analytic
Bloom's: Application
Difficulty: Medium
Topic: Sampling distribution of sample mean 36. A manufacturing company measures the weight of boxes before shipping them to the
customers. If the box weights have a population mean and standard deviation of 90 lbs. and
24 lbs. respectively, then based on a sample size of 36 boxes, the probability that the average
weight of the boxes will be less than 84 lbs. is:
A. 16.87%
B. 93.32%
C. 43.32%
D. 6.678%
E. 84.13% AACSB: Analytic
Bloom's: Application
Difficulty: Medium
Topic: Sampling distribution of sample mean 1575 Chapter 01  An Introduction to Business Statistics 37. The population of all sample proportions has a normal distribution if the sample size (n) is
sufficiently large. The rule of thumb for ensuring that n is sufficiently large is:
A. np ≥ 5
B. n(1  p) 5
C. np ≤ 5
D. n(1  p) ≤ .5 and np ≤ 5
E. np .5 and n(1  p) ≥ 5 AACSB: Reflective Thinking
Bloom's: Knowledge
Difficulty: Medium
Topic: Sampling distribution of sample proportion 38. If we have a sample size of 100 and the estimate of the population proportion is .10, the
mean of the sampling distribution of the sample proportion is:
A. 0.0009
B. 0.10
C. 0.03
D. 0.90
E. 0.09 AACSB: Analytic
Bloom's: Application
Difficulty: Medium
Topic: Sampling distribution of sample proportion 39. Whenever the population has a normal distribution, the sampling distribution of
normal or near normal distribution:
A. For only large sample sizes
B. For only small sample sizes
C. For any sample size
D. For only samples of size 30 or more AACSB: Reflective Thinking
Bloom's: Comprehension
Difficulty: Medium
Topic: Sampling distribution of sample mean 1576 is Chapter 01  An Introduction to Business Statistics 40. If a population distribution is known to be normal, then it follows that:
A. The sample mean must equal the population mean.
B. The sample mean must equal the population mean for large samples.
C. The sample standard deviation must equal the population standard deviation.
D. All of the above.
E. None of the above. AACSB: Reflective Thinking
Bloom's: Comprehension
Difficulty: Easy
Topic: Sampling distribution of sample mean 41. If we have a sample size of 100 and the estimate of the population proportion is .10, the
standard deviation of the sampling distribution of the sample proportion is:
A. .0009
B. .03
C. 3
D. 9
E. .10 AACSB: Analytic
Bloom's: Application
Difficulty: Medium
Topic: Sampling distribution of sample proportion 42. The internal auditing staf...
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 Winter '14

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