Question
In: Statistics and Probability
Question #1. The operations manager of a musical instrument distributor feels that demand for bass drums...
Question #1. The operations manager of a musical instrument
distributor feels that demand for bass drums may be related to the
number of television appearances by the popular rock group Green
Shadows during the preceding month. The manager has collected the
data shown in the following table:
Demand for /Green Shadows
Bass Drums /TV Appearances
3 2
8 5
4 4
10 8
11 9
9 8
5 6
11 11
8 9
9 10
11 13
a. Graph the data and briefly describe the linear equation and
identity the independent and dependent variables.
b. Using the linear equation, predict drum sales if there are 12 appearances.
Solutions
Expert Solution
predicted value of drum
sales(y) is 11.4242 which is approximately 11 if there are 12(x)
appearance.
orchestra answered 2 years agoRelated Solutions
Question #1. The operations manager of a musical instrument distributor feels that demand for bass drums...
Question #1. The operations manager of a musical instrument
distributor feels that demand for bass drums may be related to the
number of television appearances by the popular rock group Green
Shades during the preceding month. The manager has collected the
data shown in the following table:
Demand
for
Green Shades
Bass
Drums
TV Appearances
3
3
8 5
4 4
10 8
11 9
9
7
5 6
11 11
8 9
9 10
11 12
a. Graph the data and...
The operations manager of a musical instrument distributor feels that demand for a particular type of...
The operations manager of a musical instrument distributor feels
that demand for a particular type of guitar may be related to the
number of YouTube views for a popular music video by the popular
rock group Marble Pumpkins during the preceding month. The manager
has collected the data shown in the following table: (can be done
in excel)
YouTube Views (1000s)
Guitar Sales
30
8
40
11
70
12
60
10
80
15
50
13
Graph the data to see...
#2. The operations manager of a musical instrument distributor feels that demand for a particular type...
#2. The operations manager of a musical instrument distributor
feels that demand for a particular type of guitar may be related to
the number of YouTube views for a popular music video by the
popular rock group Marble Pumpkins during the preceding month. The
manager has collected the data shown in the following table:
YouTube Views (1000s) Guitar Sales 30 8 40 11 70 12 60 10 80 15 50
13
a. Graph the data to see whether a linear...
Mark Gershon, owner of a musical instrument distributorship, thinks that demand for guitars may be related...
Mark Gershon, owner of a musical instrument distributorship,
thinks that demand for guitars may be related to the number of
television appearances by the popular group Maroon 5 during the
previous month. Gershon has collected the data shown in the
following table:
Maroon 5 TV Appearances
3
4
7
5
9
6
Demand for Guitars
2
6
8
6
10
8
This exercise contains only parts b, c, and d.
b) Using the least-squares regression method, the equation for
forecasting...
Mark Gershon, owner of a musical instrument distributorship, thinks that demand for guitars may be related...
Mark Gershon, owner of a musical instrument distributorship, thinks that demand for guitars may be related to the number of television appearances by the popular group Maroon 5 during the previous month. Gershon has collected the data shown in the following table:
Maroon 5 TV Appearances 4 5 7 7 8 5
Demand for Guitars 4 5 6 6 10 7
a.) Using the least-squares regression method, the equation for forecasting is (round your responses to four decimal places)...
Question 2 An operations manager of a large firm is studying the monthly sales (in $’000)...
Question 2
An operations manager of a large firm is studying the monthly
sales (in $’000) of three subsidiary companies over a six-month
period as given in the table below.
Company A
Company B
Company C
152
148
150
135
158
148
130
136
126
142
138
128
125
140
140
128
127
135
At the 0.01 significance level, can we conclude that there is a
difference in the means of monthly sales of the three subsidiary
companies over a...
Question 1 a. An engineer designing an electron microscope wants to ensure that the final instrument...
Question 1 a. An engineer designing an electron microscope wants
to ensure that the final instrument can resolve features separated
by 10-9 m and therefore decides that the de Broglie wavelength of
the electrons should be 50 times shorter, i.e. 2 x 10-11 m. NOTE:
in answering this question, ignore relativistic effects and assume
that classical mechanics applies.
i. What would be the speed of the electrons? [1 mark]
ii. What voltage must be used for accelerating the electrons to...
question 2 i. What do you think a typical operations manager does? (10 Marks) ii. Operations...
question 2
i. What do you think a typical operations manager does?
ii. Operations management refers to the direction and control of
inputs that transform processes into products and services. Using
example and illustrations, discuss this assertion
Question 3 The Operations Manager of a construction company wants to assign four contractors to four...
Question 3
The Operations Manager of a construction company wants to assign
four contractors to four jobs in such a way as to minimize the time
taken to complete four buildings of a special kind and size. Based
on experience, the times taken (in months) for each contractor to
complete each job are given in the table below.
.
Jobs
Contractor
1 2 3 4
1
15 15 16 14
2
20 18 16 19
3
24 26 20 23...
Question 3 The Operations Manager of a construction company wants to assign four contractors to four...
Question 3
The Operations Manager of a construction company wants to assign
four contractors to four jobs in such a way as to minimize the time
taken to complete four buildings of a special kind and size. Based
on experience, the times taken (in months) for each contractor to
complete each job are given in the table below.
.
Jobs
Contractor
1 2 3 4
1
15 15 16 14
2
20 18 16 19
3
24 26 20 23...
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