BAN 280 Comprehensive Final Study Set
Chapter 1 - correct answer ✔✔
In statistical analysis, inferential statistics is used to - correct answer ✔✔only 1 and 2 are correct
A summary measure computed from a population is referred to as a - correct answer ✔✔Parameter
An example of a population parameter is - correct answer ✔✔a and b are both parameters
From the following, identify the example of a continuous variable. - correct answer ✔✔both 2 and 4 are
continuous
Qualitative data - correct answer ✔✔may be either numeric or nonnumeric
Which of the following is an example of a quantitative variable? - correct answer ✔✔the number of
students in a room
Social security numbers consist of numeric values. Therefore, social security is an example of - correct
answer ✔✔a qualitive variable
___________ data are not really numerical but are merely levels or categories or simply assigned values.
The example would be sex (1-Male 2-Female), or directions (1-E 2-W 3-N 4-S). - correct answer
✔✔nominal data
When your data is NOT a sequence of observations that taken in an orderly fashion with respect to time
you are using - correct answer ✔✔cross sectional data
When your data is a sequence of observations that taken in an orderly fashion with respect to time you
are using - correct answer ✔✔time series data
,Chapter 2 - correct answer ✔✔
The absolute frequency for the class 25 but < 35 is - correct answer ✔✔the number of observations in
the data set >= 25 but < 35
The relative frequency for the class 25 but < 35 is - correct answer ✔✔the number of observations in the
data set >= 25 but < 35 divided by the sample size
The cumulative relative frequency for the class 25 but < 35 is - correct answer ✔✔the number of
observations in the data set < 35 divided by the sample size
What is the standard class width for the following table?
Class (items/day)
20 But < 40
40 but < 50
50 but < 60
60 but < 70
70 but < 80
80 but <90
90 but <110
Total - correct answer ✔✔10
The first class in the following table:
24 But <40
, 40 But < 44
44 but < 48
48 but < 52
52 but < 56
56 but < 60
60 but < 64
64 but < 68
68 but < 72 - correct answer ✔✔b and c are both correct
What is the cumulative absolute frequency for the class 80 but < 100 in the following table?
Class (production/day) Absolute Frequency
0 but < 40 5
40 but < 60 10
60 but < 80 50
80 but < 100 80
100 but < 120 35
120 but < 200 20
Total 200 - correct answer ✔✔145
Consider for the following table and histogram:
Class (production/day)
Absolute Frequency
0 but < 40
4
Chapter 1 - correct answer ✔✔
In statistical analysis, inferential statistics is used to - correct answer ✔✔only 1 and 2 are correct
A summary measure computed from a population is referred to as a - correct answer ✔✔Parameter
An example of a population parameter is - correct answer ✔✔a and b are both parameters
From the following, identify the example of a continuous variable. - correct answer ✔✔both 2 and 4 are
continuous
Qualitative data - correct answer ✔✔may be either numeric or nonnumeric
Which of the following is an example of a quantitative variable? - correct answer ✔✔the number of
students in a room
Social security numbers consist of numeric values. Therefore, social security is an example of - correct
answer ✔✔a qualitive variable
___________ data are not really numerical but are merely levels or categories or simply assigned values.
The example would be sex (1-Male 2-Female), or directions (1-E 2-W 3-N 4-S). - correct answer
✔✔nominal data
When your data is NOT a sequence of observations that taken in an orderly fashion with respect to time
you are using - correct answer ✔✔cross sectional data
When your data is a sequence of observations that taken in an orderly fashion with respect to time you
are using - correct answer ✔✔time series data
,Chapter 2 - correct answer ✔✔
The absolute frequency for the class 25 but < 35 is - correct answer ✔✔the number of observations in
the data set >= 25 but < 35
The relative frequency for the class 25 but < 35 is - correct answer ✔✔the number of observations in the
data set >= 25 but < 35 divided by the sample size
The cumulative relative frequency for the class 25 but < 35 is - correct answer ✔✔the number of
observations in the data set < 35 divided by the sample size
What is the standard class width for the following table?
Class (items/day)
20 But < 40
40 but < 50
50 but < 60
60 but < 70
70 but < 80
80 but <90
90 but <110
Total - correct answer ✔✔10
The first class in the following table:
24 But <40
, 40 But < 44
44 but < 48
48 but < 52
52 but < 56
56 but < 60
60 but < 64
64 but < 68
68 but < 72 - correct answer ✔✔b and c are both correct
What is the cumulative absolute frequency for the class 80 but < 100 in the following table?
Class (production/day) Absolute Frequency
0 but < 40 5
40 but < 60 10
60 but < 80 50
80 but < 100 80
100 but < 120 35
120 but < 200 20
Total 200 - correct answer ✔✔145
Consider for the following table and histogram:
Class (production/day)
Absolute Frequency
0 but < 40
4
