BAN 280 Quiz Questions with Verified
Answers
Chapter 1 - ANSWERS
In statistical analysis, inferential statistics is used to - ANSWERSonly 1 and 2 are
correct
A summary measuere computed from a population is referred to as a -
ANSWERSParameter
An example of a population parameter is - ANSWERSa and b are both parameters
From the following, identify the example of a continuous variable. - ANSWERSboth 2
and 4 are continuous
Qualitative data - ANSWERSmay be either numeric or nonnumeric
Which of the following is an example of a quantitative variable? - ANSWERSthe number
of students in a room
Social security numbers consist of numeric values. Therefore, social security is an
example of - ANSWERSa 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). - ANSWERSnominal data
When your data is NOT a sequence of observations that taken in an orderly fashion with
respect to time you are using - ANSWERScross sectional data
When your data is a sequence of observations that taken in an orderly fashion with
respect to time you are using - ANSWERStime series data
Chapter 2 - ANSWERS
The absolute frequency for the class 25 but < 35 is - ANSWERSthe number of
observations in the data set >= 25 but < 35
The relative frequency for the class 25 but < 35 is - ANSWERSthe 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 - ANSWERSthe 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 - ANSWERS10
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 - ANSWERSb 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 - ANSWERS145
Consider for the following table and histogram:
, Class (production/day)
Absolute Frequency
0 but < 40
4
40 but < 60
8
60 but < 80
49
80 but < 100
80
100 but < 120
39
120 but < 200
20
Total
200 - ANSWERSthe histogram does NOT correctly represent the absolute frequency
distribution in the table
What is Q1 given the following data:
7
3
9
5
5
5
6
6
6
2
9
4 - ANSWERS4.5
What is Q2 given the following data:
7
3
9
5
5
Answers
Chapter 1 - ANSWERS
In statistical analysis, inferential statistics is used to - ANSWERSonly 1 and 2 are
correct
A summary measuere computed from a population is referred to as a -
ANSWERSParameter
An example of a population parameter is - ANSWERSa and b are both parameters
From the following, identify the example of a continuous variable. - ANSWERSboth 2
and 4 are continuous
Qualitative data - ANSWERSmay be either numeric or nonnumeric
Which of the following is an example of a quantitative variable? - ANSWERSthe number
of students in a room
Social security numbers consist of numeric values. Therefore, social security is an
example of - ANSWERSa 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). - ANSWERSnominal data
When your data is NOT a sequence of observations that taken in an orderly fashion with
respect to time you are using - ANSWERScross sectional data
When your data is a sequence of observations that taken in an orderly fashion with
respect to time you are using - ANSWERStime series data
Chapter 2 - ANSWERS
The absolute frequency for the class 25 but < 35 is - ANSWERSthe number of
observations in the data set >= 25 but < 35
The relative frequency for the class 25 but < 35 is - ANSWERSthe 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 - ANSWERSthe 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 - ANSWERS10
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 - ANSWERSb 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 - ANSWERS145
Consider for the following table and histogram:
, Class (production/day)
Absolute Frequency
0 but < 40
4
40 but < 60
8
60 but < 80
49
80 but < 100
80
100 but < 120
39
120 but < 200
20
Total
200 - ANSWERSthe histogram does NOT correctly represent the absolute frequency
distribution in the table
What is Q1 given the following data:
7
3
9
5
5
5
6
6
6
2
9
4 - ANSWERS4.5
What is Q2 given the following data:
7
3
9
5
5
