1. The prices of Rawlston, Inc. stock (y) over a period of 12 days, the number of shares (in 100s) of company's stocks sold (x₁), and the volume of exchange (in millions) on the New York Stock Exchange (x₂) are shown in the data set Stocks. a) Estimate an equation that can be used to predict the price of the stock given x₁ and x₂. b) Interpret the coefficient of x₁ that you found in Part a. c) At 95% confidence, determine which variables are significant and which are not. d) If in a given day, the number of shares of the company that were sold was 94,500 and the volume of exchange on the New York Stock Exchange was 16 million, what would you expect the price of the stock to be?
1. The prices of Rawlston, Inc. stock (y) over a period of 12 days, the number of shares (in 100s) of company's stocks sold (x₁), and the volume of exchange (in millions) on the New York Stock Exchange (x₂) are shown in the data set Stocks. a) Estimate an equation that can be used to predict the price of the stock given x₁ and x₂. b) Interpret the coefficient of x₁ that you found in Part a. c) At 95% confidence, determine which variables are significant and which are not. d) If in a given day, the number of shares of the company that were sold was 94,500 and the volume of exchange on the New York Stock Exchange was 16 million, what would you expect the price of the stock to be?
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section7.6: The Inverse Trigonometric Functions
Problem 94E
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Transcribed Image Text:Day
1
Namino ao N
2
3
4
5
6
7
8
9
10
11
12
87.5
86
84
83
84.5
84
82
80
78.5
79
77
77.5
(x1)
950
945
940
930
935
935
932
938
925
900
875
870
(x2)
11
11.25
11.75
11.75
12
13
13.25
14.5
15
16.5
17
17.5
Transcribed Image Text:1. The prices of Rawlston, Inc. stock (y) over a period of 12 days, the number of shares (in 100s) of
company's stocks sold (x₁), and the volume of exchange (in millions) on the New York Stock Exchange
(x2) are shown in the data set Stocks.
a) Estimate an equation that can be used to predict the price of the stock given x₁ and x2.
b) Interpret the coefficient of x₁ that you found in Part a.
c) At 95% confidence, determine which variables are significant and which are not.
d)
If in a given day, the number of shares of the company that were sold was 94,500 and the
volume of exchange on the New York Stock Exchange was 16 million, what would you
expect the price of the stock to be?
Answer:
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VIEWStep 2: Estimate regression equation to predict price of the stock given x1 and x2:
VIEWStep 3: Interpret the coefficient of x1 found in part a:
VIEWStep 4: Determine which variables are significant and which are not:
VIEWStep 5: Determine the expected value of price of stock for the given x values:
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