1. Question :
Data on the city from which members of a board of directors come
represent interval data.
Student
True
Answer:
Instructor Answer found in section 1.3 Types of Data Scales in
Explanation:Statistics for Managers
Points Received:
1 of 1
False
Comments:
2. Question :
Inferential statistics infer the characteristics of samples.
Student
True
False
Answer:
Instructor Answer found in section 1.4 Describing or Inferring?, in
Explanation:Statistics for Managers
Points Received:
0 of 1
Comments:
3. Question :
Student Answer:
The mode is which of the following?
The most frequently occurring value in a set.
The middle-most value in a set of values.
The difference between the highest and lowest values in a set.
The arithmetic average of a set of values.
Instructor
Answer found in section 1.5 Descriptive Statistics, in Statistics for
Explanation:
Managers
Points Received:
0 of 1
Comments:
4. Question :
The standard error of the mean can be calculated by dividing μ by
the square root of the number of values in the distribution.
Student
True
Answer:
Instructor Answer found in section 3.2 The Distribution of Sample
Explanation:Means in Statistics for Managers
Points Received:
0 of 1
False
Comments:
5. Question :
Student
Answer:
If a certifying agency raises the requirements for real estate agents,
what sort of decision error is the agency protecting against?
Type I
Type II
Type III
Instructor
Explanation:
Type IV
Answer found in section 3.4 Statistical Significance, in Statistics for Managers
Points Received:
0 of 1
Comments:
6. Question :
Student Answer:
Which of the following defines statistical significance?
The outcome is likely to have occurred by chance.
The outcome is important.
The outcome is unusual.
Instructor
Explanation:
Points Received:
The outcome is one that can be explained by normal
circumstances.
Answer found in section 3.3 The z-test, in Statistics for Managers
0 of 1
Comments:
7. Question :
In a frequency distribution such as a bell-shaped curve, what does
the vertical height of the curve indicate?
Student
Answer:
The different score values
The frequency of score occurrence
The probability of score occurrence
The normality of the distribution
Answer found in section 2.1 A Primer in Probability, in Statistics for Managers
Instructor
Explanation:
Points Received:
0 of 1
Comments:
8. Question :
Student Answer:
Which of the following is a provision of the central limit theorem?
A skewed distribution will remain skewed however it is
plotted.
There are limits to the range of scores that can be fitted to a
distribution.
A distribution based on sample means will be normal.
There will always be theoretical differences between
distributions.
Instructor
Answer found in section 3.2 The Distribution of Sample Means, in Statistics
Explanation:
for Managers
Points Received:
0 of 1
Comments:
9. Question :
In statistical notation, M is to μ as s is to σ.
Student
True
Answer:
Instructor Answer found in sections 1.2 The Notation and 1.5
False
Explanation:Descriptive Statistics, in Statistics for Managers
Points Received:
0 of 1
Comments:
10. Question :
Student Answer:
Technically, “statistic” refers to which?
A sample characteristic
A measure of variability
A population characteristic
A particular scale of data