5.16
El.
b.
Solution of HW 5
i. First-order
ii. Third-order
iii. First-order
iv. Secondorder
i. 150') = u + 5.x
ii. my) = 50 + [31.1- + 163.3 + 163.9
iii. 130') = 130 + [9.x
iv. My) = .60 + lx+ 523:
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4.36
4.37(b)
l).
4.38
XX/t 2/ I
Solution of HW 4
a. [50 = 325790. This means that the mean percentage of motor vehicles withoat eataEytic
converters would be 325,790% when a given year is 0. Since the
/' glut/'0 .8? VP/1 XV? %
LXL
1.32 a. The probability that a normal random variable will lie between 1 standard deviation below the
W545 mean and 1 standard deviation above the mean is indicated by th
Sbldttow 0E: H (Al/2 XX/7f
3.10 a. The Radiata Pine has a slope of -2.50 which implies that fatigue stress on the wind turbine blade is
diminished by 2.5 alter each cycle. The Hoop Pine has a slope 0|
3. i W W
a. The rst order model i.(E(y) =
a.
A
b. The least squares prediction equationi yr:e20.352 + .l3.350.r] + 243.7145.
c. [1:20.352 This has no meaning because 4': = 0 and .15 = D are not
STAT 2223-002
HOMEWORK 1
Due 08/31 Thursday
Show all your work
Name _
In Problems 1 through 4, z denotes the standard normal random variable.
1. P(z >0.44) is approximately
(a) 0.33 (b) 0.17 (c) 0.67
HONIEWORK
Name: % Student ID # K%
1. (1 pt) Consider testing H0 : p = 100 versus Ha :ju at 100. We commit a Type I error if
we reject H0 when in fact [.1 = 100. We commit a Type 11 error if
a) We reje
Homework 4 solution
3.31 To determine people scoring higher in empathy show higher pain-related brain activity, we test:
The test statistics
3.015
From the calculator, p value is 0.00046, which is les
Selected sas code and output for chapter 1
Descriptive Statistics in SAS code
Suppose we want to describe a dataset statistically, the first 10 observations for
that data look like the following way:
Homework 1 Solution (Total 90 with 3 as extra credit)
1-6: a b e c c d
(3 each)
7. (1) 0.096 (2) 0.9808 (3) 0.0096
(3 each)
8. (1) 0.1151 (2) 0.9974 (3) 0.1151 (4) 0.9861 (5) 0.1144 (6) 0.5434 (7) 0.5
Homework 1 (due on 9.20)
Problem set
Finish the following problem in Chapter 1 from textbook by calculator or table:
1.32, 1.34, 1.37, 1.45, 1.46, 1.56, 1.58, 1.72
And for problem 1.56, also use sas t
Homework 3 (due on Oct 11)
Make a copy or take a photo for this hw since you wouldnt get it back before test 1
Problem Set
Finish the following problem in Chapter 4 from textbook:
4.64.8, 4.11, 4.24,
Homework 2 (due on 9.27)
Problem Set
Finish the following problem in Chapter 3 from textbook by calculator or table:
3.103.12, 3.21, 3.24, 3.40, 3.49
For problem 3.12, also use SAS programming to chec
STAT 2223-001: 2017 Fall Project
Due on 2:00 pm, Dec 13.
Hand in your project at my office on the due date
1
Project Preparation
1.1
Dataset Collection and Requirement
You can use your interested data