Course Title General Mathematics and Biostatistics
Course Code STA100
Activity Assignment # 2
Submission Deadline Date: Saturday, Feb 02, 2020
Time: 23:59 Hours (Midnight)
Instructions to attempt assignment:
• For writing symbols, use Math Type software. If you already did not download it.
• Use calculator for calculations.
• Write the complete formulas and all steps, wherever necessary.
• Make your own attempt, any copy/past; cheating from other student/website may result in ZERO marks and/or assignment cancelation.
Question # 1:
Consider the data obtained from a chemical process where the yield of the process is thought to be related to the reaction temperature (see the table below).
Observation Number
Temperature (x)
Yield (y)
1
50
122
2
53
118
3
54
128
4
55
121
5
56
125
6
59
136
7
62
144
8
65
142
9
67
149
10
71
161
11
72
167
12
74
168
13
75
162
14
76
171
15
79
175
Draw a best fit line which is obtained by solving simultaneously “Normal Equations”.
Question # 2:
The local ice cream shop keeps track of how much ice cream they sell versus the temperature on that day to find out Correlation, here are their figures for the last 12 days:
Ice Cream sale vs Temperature
Temperature
14.2°
16.4°
11.9°
15.2°
18.5°
22.1°
19.4°
25.1°
23.4°
18.1°
22.6°
17.2°
Ice Cream Sale
$215
$325
$185
$332
$406
$522
$412
$614
$544
$421
$445
$408
Course Title General Mathematics and Biostatistics
Course Code STA100
Activity Assignment # 1
Instructions to attempt assignment:
• For writing symbols, use Math Type software. If you already did not download it.
• Use calculator for calculations.
• Write the complete formulas and all steps, wherever necessary.
• Make your own attempt, any copy/past; cheating from other student/website may result in ZERO marks and/or assignment cancelation.
Question # 1
Solved by Crammer Rule
[image: SBTolUk.png]
Question # 2
Find the general term and the eleventh term of the A.P. who’s first term and the common difference are 2 and -3 respectively. Also write its first four terms.
STA 100 Handouts
STA100 - General Mathematics and Biostatistics
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