Laura Aguila
Statistics and computer concepts
Chapter 12: Linear Regression and Correlation
In a study of caffeine and stress, college students indicate how many cups of coffee they drink
per day and their stress level on a scale of 1-10.
Number of Cups o

A certain researcher developed the inspired hypothesis that people are
taller when they are wearing shoes than when they are not wearing
shoes. To test this hypothesis, he took a random sample of 15 adults,
measuring the height of each individual subject

Laura Aguila
Statistics and Computer Concepts
Chapter 4: The Normal Distribution
Use the Standard Normal Distribution Table for reference "Standard Normal Distribution
Table"
Calculate the z score for each set of data. Determine who did better on her resp

Write a 300 words or more paper in APA format discussing the following:
ANSWERS:
1) 1) The speed of sound
The speed of sound is a term used to
describe the speed of sound waves passing
through an elastic medium.
The speed varies with the medium, as well
a

Laura Aguila
Statistics and Computer Concepts
Chapter 10: Categorical Data: Relationships
Find solutions to the following problems. Be sure to include a statement about significance and
complete a Tukey's HSD when necessary.
Orthopedics
77
Pediatrics
Onco

Laura Aguila
Hypothesis Testing with One Sample
Statistics and Computer Concepts
Chapters 7: Comparison of Two Independent Samples
Find solutions to the following problems. Be sure to include all relevant information for each of
the following problems, in

Laura Aguila
04/15/16
General Physics
A batted baseball, for example, travels only about 60 percent as far in air as it would in a
vacuum. Its curved path is no longer a parabola, as Figure 10.13 indicates.
1)What makes its decent steeper than its ascent

1)
A researcher is interested in whether there is any association between political identification and attitude
toward a new government proposal for college tuition assistance for students. Questioning 190
respondents, she obtains the following results:
P

Laura Aguila
04/15/2016
General Physics
Define and discuss momentum as inertia in motion.
Mass is a fundamental measure of inertia; it measures the resistance of the body to changes in its
motion. Thus, inertia is resistance to motion changes. Whereas, mo

Two solid blocks of identical size are submerged in water. One block is lead and the other is
aluminum.
Question:
Upon which is the buoyant force greater?
Two blocks are of identical size. One is made of lead, and sits on the bottom of a pond; the other
i

Laura Aguila
Statistics and computer concepts
Chapter 8: Comparison of Paired Samples
Calculate a 95% Confidence Interval for the following samples:
a)
b)
c)
d)
e)
=78, N=100, =15 100 3.3 (96.7 to 103.3)
=27, N=50, =5 50 1.9 (48.1 to 51.9)
= 500, N = 300,