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- 2 0+ Temperature (C) 80 О в. AGrams 60- ○ C. AGrams 60- ○ D. Grams 60- 0+ 0 0+ 80 0 80 0 80 Temperature (C) Temperature (C) Temperature (C) (c) Estimate the amount of chemical that will dissolve in 100 grams of water at 50°C. grams (Round to two decimal places as needed.) x (degrees °C) 0 Chemical compound data y (grams) 6 7 7 15 30 45 60 75 22344 12 25 30 35 45 38 47 22333 10 20 53 52244 15 23 26 41
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- 2 0+ Temperature (C) 80 О в. AGrams 60- ○ C. AGrams 60- ○ D. Grams 60- 0+ 0 0+ 80 0 80 0 80 Temperature (C) Temperature (C) Temperature (C) (c) Estimate the amount of chemical that will dissolve in 100 grams of water at 50°C. grams (Round to two decimal places as needed.) x (degrees °C) 0 Chemical compound data y (grams) 6 7 7 15 30 45 60 75 22344 12 25 30 35 45 38 47 22333 10 20 53 52244 15 23 26 41
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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I need help with parts a,b, and c please. Everything is attached.
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-
2
0+
Temperature (C)
80
О в.
AGrams
60-
○ C.
AGrams
60-
○ D.
Grams
60-
0+
0
0+
80
0
80
0
80
Temperature (C)
Temperature (C)
Temperature (C)
(c) Estimate the amount of chemical that will dissolve in 100 grams of water at 50°C.
grams (Round to two decimal places as needed.)
Transcribed Image Text:x (degrees °C)
0
Chemical compound data
y (grams)
6
7
7
15
30
45
60
75
22344
12
25
30
35
45
38
47
22333
10
20
53
52244
15
23
26
41
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