Compute the value of X in Table 2.  ii) Estimate mass that dissolved in the water if the temperature is set at 100 Celcius.

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter1: Functions
Section1.2: The Least Square Line
Problem 8E
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i) Compute the value of X in Table 2. 

ii) Estimate mass that dissolved in the water if the temperature is set at 100 Celcius. 

An experiment was carried out to investigate variation of solubility of chemical Y in a
water. The quantities in kilograms that dissolved in 1 litre of water at nine different
temperature levels was recorded and data has been analysed using IBM-SPSS software.
Temperature (°C)
Mass (kg)
Model
Temperature
Mass
10 15 20 25
1.6 2.2 2.4 2.7
(Constant)
Temperature
Table 1: Correlations
Pearson Correlation
Sig. (2-tailed)
N
Pearson Correlation
Sig. (2-tailed)
Unstandardized Coefficients
B
Std. Error
.137
X
30 35 40
3.5
4.0 5.1
N
**. Correlation is significant at the 0.01 level (2-tailed).
Table 2: Coefficients
.308
.008
Temperature
9
.984**
.000
9
1
Standardized
Coefficients
Beta
.984
Mass
.984**
.000
9
1
t
.444
14.590
50
7.0
Sig.
.670
.000
70
8.3
Transcribed Image Text:An experiment was carried out to investigate variation of solubility of chemical Y in a water. The quantities in kilograms that dissolved in 1 litre of water at nine different temperature levels was recorded and data has been analysed using IBM-SPSS software. Temperature (°C) Mass (kg) Model Temperature Mass 10 15 20 25 1.6 2.2 2.4 2.7 (Constant) Temperature Table 1: Correlations Pearson Correlation Sig. (2-tailed) N Pearson Correlation Sig. (2-tailed) Unstandardized Coefficients B Std. Error .137 X 30 35 40 3.5 4.0 5.1 N **. Correlation is significant at the 0.01 level (2-tailed). Table 2: Coefficients .308 .008 Temperature 9 .984** .000 9 1 Standardized Coefficients Beta .984 Mass .984** .000 9 1 t .444 14.590 50 7.0 Sig. .670 .000 70 8.3
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