Name: Taryn Baca
Date:9-12-2014
Topic One: Mean, Variance, and Standard Devia9o
Please type your answer in the cell beside the ques9on.
Please type you answer in the cell beside the question.
1. Identify the sampling tec

Exercise 16
5. Which groups test scores had the least amount of variability or
dispersion? Provide a rationale for your answer
The experimental groups empowerment scores had the least
dispersion/variability. This was indicated by a SD of 7.28. However,
ov

Exercise 18
1. Assuming that the distribution is normal for weight relative to the
ideal and 99% of the male participants scored between (-53.68,
64.64), where did 95% of the values for weight relative to the ideal
lie? Round you answer to two decimal pla

STP 231 (15 points)
Group work ch3
NAME:_
class time: _
1. Results of a survey of a large number of Arizona high school students is presented in a
table below:
Student smokes
Student does not smoke
Both parents smoke
0.07
0.26
One parent smokes
0.08
0.34

1. What demographic variables were measured at least at the interval level of
measurement?
Interval level of measurement allow for the degree of difference between items but not
the ratio. The interval levels of measurement that are included in this study

Exercise 11
1. What demographic variables were measured at least at the interval
level of measurement?
Interval level of measurement allow for the degree of difference
between items but not the ratio. The interval levels of measurement that
are included i

CHM 116 General Chemistry II Syllabus
Spring Semester 2013
10283 12:00 12:50 MWF in PSH-150
Instructor: Gary Cabirac
Office: PSH-241
Phone: (480) 965-3129
email: [email protected] (put CHM 116 in subject line to ensure delivery)
Blackboard Course Sites: Le

Exercise 16
1. The researchers analyzed the data they collected as though it were
at what level of measurement?
a. Nominal
b. Ordinal
c. Interval/ration
d. Experimental
I would say c because the data provides quantity and quality of units
based on the met

Taryn Baca
9-19-2014
Exercise 18
Questions 6-10
6. Assuming that the distribution of Mental Health scores for men is
normal, where are 99% of the mens mental health scores around the
mean in this distribution? Round your answer to two decimal places.
Mean

Exercise: 23
1. What is the r value for the relationship between Hamstring strength
index 60/s and the Shuttle run test? Is this r value significant? Provide
a rationale for your answer
The relationship between Hamstring strength index 60 degree/s and
the

Assignment 21
9.1.3
a. Let success be the number of mutants
~
Y
Probability
p
0
1
2
3
4
5
y2 02 2
n4 54 9
3/9
4/9
5/9
6/9
7/9
Pr(Y j ) n C j p j 1 p n j
Pr(Y 0) 5 C0 0.37 0 1 0.37 50 0.10
0.29
0.54
0.20
0.06
0.01
~
Sampling distribution for P when p = 0.3

Assignment 22
9.4.5
Let WF denote white feathers, DF denote dark feathers, SC denote small comb, and LC denote large comb.
Assumptions:
1. All expected frequencies are 1 or greater
2. At most 20% of the expected frequencies are less than 5.
3. Simple Rand

Midterm 2 Review
Session
Midterm 2 information
16 questions for a total of 100 points including 4 free response
questions, 10 multiple choice questions, and 2 true/false questions
Formula sheet
Section 3.1 to 3.3
Sample space and event
Relationships be

Assignment 20
8.2.2
a. The standard error for the mean difference would be
s
59.3
SEd d
19.77 lbs
n
9
b.
Assumptions
1. Simple random paired samples
2. Normal differences or large sample
STEP 1
HO: 1 2 OR 1 2 0 OR d 0
The mean weight gains on the two di

Homework #19
7.6.3
Let 1 denote male and 2 denote female
Assumptions
1. Simple random samples
2. Normal Populations or large samples
3. Independent Samples
STEP 1: For a 95% confidence level use Table 4 to find t 0.025 with
df = df
SE SE .
SE SE
22
2
4

Assignment 18
7.3.5 If the null hypothesis is not rejected that the two samples are different, then the Type of Error would be
type II
7.3.8
a. HO: The new technique and the old technique have the same mean aging time.
HA: The new technique has less mean

Assignment 17
7.2.2 a.
ts
ts
y1 y 2
2
2
s1 s 2
n1 n2
y1 y 2
where SE y1 y2
SE y1 y2
2
2
s1 s 2
n1 n2
100.2 106.8
5.7
t s 1.16
since t 0.1 1.372 and t 0.2 0.879, t he 0.20 p - value 0.40
b.
y y2
ts 1
SE y1 y2
ts
49.8 44.3
1.9
t s 2.89
since t 0.01

Assignment 16
6.6.3 SE(Y1Y2 ) 4.3
6.6.4 SE(Y1Y2 ) 3.04
6.6.5 SE(Y1 Y2 ) 5.90
6.6.9 SE(Y1 Y2 ) 10.2
6.7.2 SE(Y Y
1
2)
9.192 Dark is denoted as Sample 1 and Photoperiod is denoted as Sample 2.
a. For a 95% Confidence Interval
92 115 2.4479.192
43.5,0.5 or

STP231 Brief Class Notes Instructor: Ela Jackiewicz
Chapter 12
Regression and Correlation
In this chapter we will consider bivariate data in forms of ordered pairs (x, y).
Both x and y can be observed or y can be observed for specific values of x that are

Assignment 23
10.2.7
Condition
Seizure-free
Not Seizure-free
Total
Valproate
6
(6.49)
14
(13.51)
20
Phenytoin
6
(5.51)
11
(11.49)
17
Total
12
25
37
Assumptions
1. All expected frequencies are 1 or greater
2. At most 20% of the expected frequencies are les

Name: Taryn Baca
Date:9-12-2014
Topic One: Mean, Variance, and Standard Deviation
Please type your answer in the cell beside the question.
Please type you answer in the cell beside the question.
1. Identify the sampling technique being used. Every 20th pa

Name: Taryn Baca
Date: 9-28-2014
Hypothesis Testing
Answer each question completely to recieve full credit
1. There is a new drug that is used to treat leukemia. The following data
represents the remission time in weeks for a random sample of 21
patients

Taryn Baca
October 11, 2014
Exercise 23
6. Which of the following sets of variables has the strongest
relationship?
a. Hamstring strength index 120/s and the Hop index r = 0.431*
b. Quadriceps strength index 60/s and the Carioca test r = 0.474*
c. Quadric

Module 7 DQ 1
To be considered substantive, a participation post (initial or ongoing) should average 150-250
words in length.
Suppose you are interested in the behaviors of physicians that have high ratings of patient
satisfaction. The research goal is to

Module 6 DQ 1
To be considered substantive, a participation post (initial or ongoing) should average 150-250
words in length.
Suppose you are interested in how children with severe autism experienced the receipt of special
education assistance in public s

Module 7 DQ 2
To be considered substantive, a participation post (initial or ongoing) should average 150-250
words in length.
Suppose you are interested in the behaviors of physicians that have high ratings of patient
satisfaction. The research goal is to

Sections 2.2 and 2.3
Key Points
Organize categorical data by frequency/relative frequency distribution
Organize categorical data by graph
-Bar chart
Organize numeric data by frequency/relative frequency distribution
Organize numeric data by graph
-Dot