1. To cite a web publication, the main thing to do is provide the URL from which you
received your source.
2. Citing personal communication references requires that the information should be listed
in parenthesis.
3. To cite a reference from television, y
MA 3110
Module 6: Exercise 6.1 Linear Correlation
The obtained scatter plot is given below,
The computed correlation coefficient between these two variables is 0.8717 and the critical value
from the table is 0.754.
As the correlation coefficient is more t
Module 5: Exercise 5.2 Chi Square Procedures
What is the population under consideration?
The Presidents of the US.
What are the two variables under consideration?
Region of birth and political party of US Presidents.
Group the bivariate data for the varia
Module 5: Exercise 5.1 Interferences from Two Samples
Task 1: Consider the three samples listed in the table:
A
1
3
5
Total
X
9
9/3 = 3
B
0
6
2
5
2
15
15/5 = 3
s
2
2.45
C
3
12
6
3
24
24/4 = 6
4.24
Obtain total sum of squares (SST,) treatment sum of square
Module 4: Exercise 4.2 Hypothesis Testing
Refer to the following data:
Two-tailed test; 0.10
Assume that the normal distribution applies and find the critical z values.
Two tailed test implies the following:
a
0.10
1
= 1= 1-0.05 = 0.9500
2
2
0.9500 = 1.
Module 4: Exercise 4.1 Inferences from Two Proportions and Samples
Task 1
These results should not be used for 2 reasons:
- The sample sizes used are not independent; they come from a same population (authors
friends);
- The samples are not given as simpl
Exercise 3.1
Construct a 95% confidence interval estimate of the mean salary of an NCAA football coach.
Mean of 415,953
Standard deviation of 463,364.
X=
n=40
X= 415953
J= 463364
= 0.05
/2 =0.025
Z 0.025 = 1.92
E=z or/z (j/n)
E = 1.96 (463364/40)
E= 14359
Exercise 2.1
X
P(x)
0
0.22
1
0.16
2
0.21
3
0.16
Is not a probability distribution. Does not how measureable data, discrete and
continuous random variable categorical distribution, random variables, probability mass
function, stochastic processes, continuo
Exercise 2.2
Task 1
9
8
7
6
5
4
3
2
1
0
Sale s
ABC; 10%
FOX; 24%
CBS ; 66%
CBS
FOX
ABC
Series 3
20 inquires
9-CBS 6-FOX 5-ABC
The bar graph is the more suitable graphical representation of the data because bar graphs Are
easier to read and understand, the
Homework 1
Task 1
1.1
a. Population- The collection of all individuals or items under consideration in a statistical study.
b. Sample- That part of the population from which information is obtained.
1.7
Inferential
1.14
a. Sample 500/ Population Offshore
Width = 80 feet, length =100 feet.
We need to form and then solve a set of 2 simultaneous equations.
The perimeter = 2 x Length (L) + 2 x Width (W)
As the perimeter is known to be 360 feet, we can form the equation 2L + 2W = 360
Dividing both sides of thi
MA1210: Module 3 Equations, Inequalities, and Matrices
Exercise 3.1 REDO
Equations and Their Graphs
Shannon Brown
11/17/2015
School of Drafting and Design
1. The following quadratic equation describes a companys price, , in dollars, on metal roof
material
MA1210: Module 1 Fundamentals of Algebra,
Part 1 Exercise 1.1
Algebraic Expressions and Real Numbers
By: Shannon Brown
Page 1 of 3
1. The following formula estimates the price of cement projected, per square foot, since 2011. Assume
this trend continues a
MA1210: Module 3 Equations, Inequalities, and Matrices
Exercise 3.1 REDO
Equations and Their Graphs
Shannon Brown
11/17/2015
School of Drafting and Design
1. The following quadratic equation describes a companys price, , in dollars, on metal roof
material
Ronald Horne
Math 2
Week 2
Section 5.6
2.
Y = tan(X+/2)
6.
Y = 2 tan X/4
14. Y = -cot (x-/2)
15. Y = cot(x+/2)
Ronald Horne
Math 2
Week 2
d
26. Y = 3sin 4X
Y = 3csc 4x
30. Y = 2 csc x
Y = 2 sin x
36. Y = sec x/2
Y = cos x/2
Ronald Horne
Math 2
Week 2
Sect
Ronald Horne
Math 2
Week 5
Homework and Writing assignments
Section 7.1
4.
128
16
33
Angeles: A = 33, B = 19, C = 128
Sides: a = 16, b = 9.6, c = 23.1
8.
20
38
102
Angeles: A = 38, B = 102, C = 40
Sides: a = 20, b = 31.8, c = 20.9
12.
85
35
30
Angeles: A
MA1210:Week4Lab
Quadratic Equations and Linear Inequalities
This lab requires you to:
Identify and use the quadratic formula to solve a quadratic equation.
Solve an equation that is quadratic in form.
Write a linear inequality and solve it for a given con
MA1210:Week1Lab
Exponents, Scientific Notation, and Radicals
1.
Order of operations:
Solve using the order of operations. Be sure to show each step to receive full
credit.
(16 2) 4 3 + 82 =29
Reduce the expression (-16/2) by removing a factor of 2 from th
To find the inverse of the function, interchange the variables and solve for.
Since is on the right-hand side of the equation, switch the sides so it is on the left-hand side of
the equation.
Multiply each term in the equation by 9.
Simplify the left-hand
Write a formula to model the cars value, where y is the value of the car and x is the
number of years. Y= 20000-2800x
a.
Find the value of the car algebraically after five years. Does this
match the graph above?$6000 and yes
b.
What is an appropriate labe
NT1210: Network Media
Most network administrators work with limited budgets, a litany of user requests, and somewhat
unrealistic expectations from upper management. They need to know what requests they can
accommodate and at what cost.
In this project you