The amounts of a chemical compound y that dissolved in 100 grams of water at various temperatures x were recorded. Use the given data to complete parts (a) through (c) below. Click the icon to view the recorded data. (a) Find the equation of the regression line. (Round the constant to two decimal places as needed. Round the coefficient to three decimal places as needed.) (b) Graph the line on a scatter diagram. Choose the correct graph below. ○ A. Grams 90- ✓ О в. Grams 60- 0+ 0 80 Temperature (C) 80 Temperature (C) (c) Estimate the amount of chemical that will dissolve in 100 grams of water at 50°C. ŷ= grams (Round to two decimal places as needed.) ✓ ос. Grams 60- 0 0 80 Temperature (C) ✓ ○ D. Grams 60- 0 80 Temperature (C) ✓ Chemical compound data x (degrees °C) n y (grams) 0 7 6 7 15 30 45 60 75 22044 12 25 30 45 47 22333 10 15 20 23 35 26 38 41 53 45
The amounts of a chemical compound y that dissolved in 100 grams of water at various temperatures x were recorded. Use the given data to complete parts (a) through (c) below. Click the icon to view the recorded data. (a) Find the equation of the regression line. (Round the constant to two decimal places as needed. Round the coefficient to three decimal places as needed.) (b) Graph the line on a scatter diagram. Choose the correct graph below. ○ A. Grams 90- ✓ О в. Grams 60- 0+ 0 80 Temperature (C) 80 Temperature (C) (c) Estimate the amount of chemical that will dissolve in 100 grams of water at 50°C. ŷ= grams (Round to two decimal places as needed.) ✓ ос. Grams 60- 0 0 80 Temperature (C) ✓ ○ D. Grams 60- 0 80 Temperature (C) ✓ Chemical compound data x (degrees °C) n y (grams) 0 7 6 7 15 30 45 60 75 22044 12 25 30 45 47 22333 10 15 20 23 35 26 38 41 53 45
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:The amounts of a chemical compound y that dissolved in 100 grams of water at various temperatures x were recorded. Use the given data to complete parts (a) through (c) below.
Click the icon to view the recorded data.
(a) Find the equation of the regression line.
(Round the constant to two decimal places as needed. Round the coefficient to three decimal places as needed.)
(b) Graph the line on a scatter diagram. Choose the correct graph below.
○ A.
Grams
90-
✓
О в.
Grams
60-
0+
0
80
Temperature (C)
80
Temperature (C)
(c) Estimate the amount of chemical that will dissolve in 100 grams of water at 50°C.
ŷ=
grams (Round to two decimal places as needed.)
✓
ос.
Grams
60-
0
0
80
Temperature (C)
✓
○ D.
Grams
60-
0
80
Temperature (C)
✓
Transcribed Image Text:Chemical compound data
x (degrees °C)
n
y (grams)
0
7
6
7
15
30
45
60
75
22044
12
25
30
45
47
22333
10
15
20
23
35
26
38
41
53
45
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