7.1
8
A
Mean = (2 + 3 + 5 + 7 + 8)/5; 5
B
C
D
For n = 1 Sample mean = population mean; = 1/5
For n = 2 Sample mean = population mean; = 2/10 and 1/5 because there two
dots that corresponds = 5
For n = 3 Sample mean = population mean; = 2/10 and 1/5 becaus
140606542 1
Omer Faruk Yolal
Sean/Suat Namli
MATH 1312
140606542
Feb 15-17th
6.1
6.6
a. left of 10 ; 0.654 percentage is going to be 65.4 %
b. right of 10 ; 1 0.654 = 0.346 percentage is going to be 34.6 %
6.11
A. left of 11; 0.284
B. right of 11; 0.716
6
Omer Faruk Yolal
Mr. Sean/Suat Namli
5 / 1 / 2016
Chapter 14
14.1
6
a) y = 30 + 55x
b) The y-intercept, b0 = 30 The slope, b1 = 55
c)
d)
e)
8
a) The given regression equation is y = 64 32x
The y-intercept, b0 = 64
The slope, b1 = -32
b) y = 64 32x
= 64 32
Omer Faruk Yolal
Mr Sean/Suat Namli
2/7/2016
Statistic Homework 2
3.1
53
a. 35/14
b. 2
c. Mean is best because there is no number such as too high or too low.
54
a.
b.
c.
d.
e.
2 and 4 looks like outliers
20.05
20.61
21.25
D provides the best measures of
Omer Faruk Yolal
Mr. Sean/Suat Namli
4 / 2 / 2016
Homework
9.1
5.
a) H0 : = 0.5 ppm for null
b) Ha : >0.5 ppm for alternative
c) Since alternative is greater than 0.5 it is right-tailed
6. Same question as 5
7. Same question as 5
9.2
33.
a) z > 1.645 reje
Omer Faruk Yolal
Mr. Sean/Suat Namli
4 / 2 / 2016
Homework
10.3
63
a) t = -1.44, df = ; df = 18.36817 : at the %5 significance level, data provide
evidence for concluding it and population means are equal
b) df = 18 ; t/2 = 2.101 (-4.921, 0.921)
65 same q
140606542 1
Omer Faruk Yolal
Sean/Suat Namli
MATH 1312
140606542
Statistic Homework
4.1
12
a. 0.328
b. 0.482
c. 0.972
14
This is same exercise with 12
16
This is same exercise with 12
21
a.
b.
c.
d.
0.139
0.500
0.222
0.111
22
This is same exercise with 21
COMP 4339 Software Analysis and Design
Chapter 3: Identifying User Stories and Use Cases
Assignment #2
Date:
09/15/2016
Name: _
Exercises and Problems
EX.1.
Use case name:
EX.2.
EX.3.
Case Study
Brief Description:
Grade: _
COMP 4339 Software Analysis and