Question 1 (1 point) The general process of organizing, summarizing, and presenting data in an informative way is called Question 1 options: A) Descriptive statistics.
Question 1 (1 point)
The general process of organizing, summarizing, and presenting data in an informative way is called
Question 1 options:
A)
Descriptive statistics.
B)
Levels of measurement.
C)
Inferential statistics.
D)
Statistics.
Question 2 (1 point)
The general process of analyzing, and interpreting data to assist in making more effective decisions is called
Question 2 options:
A)
Descriptive statistics.
B)
Statistics.
C)
Inferential statistics.
D)
Levels of measurement.
Question 3 (1 point)
Colleen Waite, Director of General Canadian Sales, is concerned by a downward sales trend. Specifically, their customer base is stable at 2,200, but they are purchasing less each year. She orders her staff to search for causes of the downward trend by selecting a focus group of 50 customers.
Question 3 options:
A)
The 2,200 customers represent an inferential statistic.
B)
The 2,200 customers represent a census.
C)
The 2,200 customers represent a population.
D)
The 2,200 customers represent a sample.
Question 4 (1 point)
Colleen Waite, Director of General Canadian Sales, is concerned by a downward sales trend. Specifically, their customer base is stable at 2,200, but they are purchasing less each year. She orders her staff to search for causes of the downward trend by selecting a focus group of 50 customers.
Question 4 options:
A)
The focus group of 50 customers represents an inferential statistic.
B)
The focus group of 50 customers represents a population.
C)
The focus group of 50 customers represents a sample.
D)
The focus group of 50 customers represents a census.
Question 5 (1 point)
A company was studying the demographics of their customers. As part of the study they collected the following variables: gender, marital status, credit rating (low, medium, high), annual income, and age. Which two of the variables are considered to be quantitative rather than qualitative?
Question 5 options:
A)
age and credit rating
B)
gender and marital status
C)
annual income and age
D)
gender and annual income
Question 28 (1 point)
The following class intervals for a frequency distribution were developed to provide information regarding the starting salaries for students graduating from a particular school:
Salary ($1,000s)
Number of Graduates
18-under 21
-
21-under 25
-
24-under 27
-
29-under 30
-
Before data was collected, someone questioned the validity of this arrangement. Which of the following represents a problem with this set of intervals?
Question 28 options:
A)
the class widths are too small
B)
the first and the second intervals overlap
C)
the second and third intervals overlap
D)
there are too many intervals
E)
some numbers between 18,000 and 30,000 would not fall into any of these intervals
