Question
In: Advanced Math
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 whether a linear equation might describe the relationship between the views on YouTube and guitar sales.
- Using the equations presented in this chapter, compute the SST, SSE, and SSR. Find the least squares regression line for the data.
- Using the regression equation, predict guitar sales if there were 40,000 views last month.
Solutions
Colby Messinger answered 3 years agoRelated Solutions
#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...
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...
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...
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)...
A soil distributor sells fertilizer in 10 kg bags. A customer feels that the distributor sells...
A soil distributor sells fertilizer in 10 kg bags. A customer
feels that the distributor sells underweight bags. To support his
hunch, he purchases 8 bags of soil. They have an average weight of
9.75 kg with standard deviation 0.7 kg. Does the customer have a
case against the distributor? Test using α = 0.05.
The C string of a certain musical instrument is overstretched. The accurate frequency of this note...
The C string of a certain musical instrument is overstretched.
The accurate frequency of this note should be 261.6 Hz, which is
emitted by a tuning fork. Six beats per second are heard when the
string is sounded together with a tuning fork. What is the
frequency produced by the string of this instrument?
A) 267.6 Hz B) 255.6 Hz C) 133.8 Hz D) 127.8 Hz E) Not enough
information to tell if the frequency is above or below the...
In a school of 500 students, 200 play a musical instrument and 100 sing in a...
In a school of 500 students, 200 play a musical instrument and
100 sing in a choir, and 250 neither play an instrument nor sing in
the choir. What is the probability that someone who does not play
an instrument is in the choir? Give your answer as a fraction in
its simplest form.
Ida Company produces a handcrafted musical instrument called a gamelan that is similar to a xylophone....
Ida Company produces a handcrafted musical instrument called a
gamelan that is similar to a xylophone. The gamelans are sold for
$982. Selected data for the company’s operations last year
follow:
Units in beginning inventory
0
Units produced
19,000
Units sold
16,000
Units in ending inventory
3,000
Variable costs per unit:
Direct materials
$
270
Direct labor
$
470
Variable manufacturing overhead
$
63
Variable selling and administrative
$
18
Fixed costs:
Fixed manufacturing overhead
$
750,000
Fixed selling and...
Ida Company produces a handcrafted musical instrument called a gamelan that is similar to a xylophone....
Ida Company produces a handcrafted musical instrument called a
gamelan that is similar to a xylophone. The gamelans are sold for
$914. Selected data for the company’s operations last year
follow:
Units in beginning inventory
0
Units produced
19,000
Units sold
15,000
Units in ending inventory
4,000
Variable costs per unit:
Direct materials
$
270
Direct labor
$
410
Variable manufacturing overhead
$
62
Variable selling and administrative
$
20
Fixed costs:
Fixed manufacturing overhead
$
800,000
Fixed selling and...
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