MATH 201
DB FORUM 1 INSTRUCTIONS AND RUBRIC
This week's Discussion Board forum is the only one in which you will work individually.
Submit an original thread answering the forum questions by Saturday at 11:59 p.m. (ET) and
then reply to two other students
1. a) Create a set of 5 points that are very close together and record the standard deviation. Next,
add a 6th point that is far away from the original 5 and record the new standard deviation.
What is the impact of the new point on the standard deviation?
Question 1 Part a
Data
x
3
2
4
1
5
20
*Input data in the x columns. The values shown are for demonstration purposes only. *
1
1
1 SD
1 Mean
1 Median
1
1
1
1
7.08
5.83
3.50
0
5
10
15
20
25
Question 1 Part b
Data
x
12
9
9
9
10
9
9
9
1
1
1 SD
1 Mean
1 Median
Data
x
1
2
3
4
5
Data
x
1
2
3
4
5
20
5 Point
Standard Deviation: 1.58
6 point
Standard Deviation: 6.28
Mean= 5.00
Mean: 7.50
Median= 5.00
Median: 5.50
1. a.) The impact of the new pint on the standard deviation was quite extensive. Before the
sixth point
Hypothesis a statement about a population parameter that can be tested
Null hypothesis (H0): no difference btw pop parameter and a given value
H1: there is a difference btw pop parameter and a given value
Onetailed test H1 specifies how pop parameter dif
MATH 201
PROJECT 1 INSTRUCTIONS
Based on Larson & Farber: section 2.1
Use the Project 1 Data Set to create the graphs and tables in Questions 14 and to answer both parts of
Question 5. If you cannot figure out how to make the graphs and tables in Excel, y
Max Temps in August 2013
AL 97
AK 97
AZ 45
AR 100
CA 49
CO 109
CT 93
DE 91
FL 102
GA 99
HI 90
ID 97
IL 97
IN 93
IA 100
KS 111
KY 93
LA 97
ME 93
MD 97
MA 97
MI 91
MN 109
MS 97
MO 97
MT 90
NE 108
NV 111
NH 93
NJ 108
NM 106
NY 93
NC 100
ND 88
OH 91
OK 108
OR
Temperature Frequency Distribution Data Analysis
After reviewing the data from the provided table I have come to a few
conclusions. Historically this appears to be from either early spring or early fall.
Although it is more consistent with the month of Ap
Question 1. The meaning being 50% of the date the Z score of that would be 0.50. O.50 would be found on the Z Chart at interseciton of = 0.00
Question 2. Mean (925.886)  the 800 divided by the Standard Deviation 112.14145 =918.732
Question 3. Mean (925.
Data Set for Project 1
Project 1 Instructions
Based on Larson & Farber: section 2.1
Maximum Temperatures by State
in the United States
for the month of August, 2013
State Name
AK
AL
AR
AZ
CA
CO
CT
DE
FL
GA
HI
IA
ID
IL
IN
KS
KY
LA
MA
MD
ME
MI
MN
MO
MS
MT
N
Math 201 Web Assign Homework Guide
Chapter One Homework
Be careful with these questions: for questions 1 & 6, you will get three attempts to give the
correct response and for question 5, you get five attempts, but you only have two attempts on the
remaini
Mini Project 1: Standard Deviation
1. a) What is the impact of the new point on the standard deviation?
ANSWER: The new point will cause the deviation on the chart to move towards the new
point that was added to the line.
b) What did you do differently to
MATH 201
Mini Project 1: Standard Deviation
Log into our course on www.coursecompass.com and then select the Multimedia Library button.
Next, check the Java Applets box and click Find Now. Then select the link for the Standard
Deviation Applet from Chapte
Data Set for Project 1
Maximum Temperatures by State
in the United States
for the month of August, 2013
State Name
AL
AK
AZ
AR
CA
CO
CT
DE
FL
Max Temps in August 2013
97
97
45
100
49
109
93
91
102
GA
HI
ID
IL
IN
IA
KS
KY
LA
ME
MD
MA
MI
MN
MS
MO
MT
NE
NV
N
MATH 201
PROJECT 3 INSTRUCTIONS
Based on Larson & Farber: sections 5.25.3
Note that you must do this project on your ownyou may not work with other students. You are always
welcome to ask your instructor for help.
Visit the NASDAQ historical prices weblin
1.
Prophecy
Probability
Justification_
1
1/13 or .077
There was 13 fathers before Jesusbirth.
2
1/40,000 or .000025 The population of Jerusalem was about
40,000.
3
or 0.50
Like flipping a coin, any human pierced in
the side after death would have a flow
1) A statistic is a measure that describes a population characteristic.
A. False. A statistic is a measure that describes a sample characteristic.
2) A population is the collection of some outcomes, responses, measurements, or counts that are of
interest.
Statistics Formulas:
Chapter 3: Data Description
s
2
2
( X )
=
2
N
(X X )
=
n 1
2
X
=
X
=
2
[ X ]
2
N
N
2
[ X ]
2
n
n 1
s
100%
X
1
Chebyshev : 1 2
k
Empirical Rule : 68 / 95 / 99.7
(# of values below X + 0.5)
%=
100%
n
np
c=
100
Ch 4: Probability and Co
Math 201 Web Assign Homework Guide
Chapter 5.4 Homework

Question 1: Page 208 introduces the random variable that describes the number of
attempts until our first success. (You only get a few chances on this one!)

Question 2: See the yellow box on page
444
7. Digital Signatures
v x xy g D (mod p).
(7.3)
The congruence (7.3) is a rather curious one, because the variable x appears
both as a base and as an exponent. Using discrete logarithms to the base g,
we can rewrite (7.3) as
logg (v)x + y logg (x) D (
Liberty University MATH 201 Project 3 solutions answers Coursehero
https:/www.coursemerit.com/solutiondetails/20450/LibertyUniversityMATH201Project3completesolutionscorrectanswersAwork
Go to this website. First, set the date range to be for ex
Project 1 Grading Rubric
Criteria/Points
1. Displayed correct group frequency distribution
8 points
2. Correct midpoint, relative frequency, and
cumulative frequency columns
7 points
3. Correct frequency histogram
7 points
4. Correct frequency polygon
7 p
If a zscore if zero, which of the following must be true?
Definition:
The corresponding xvale is equal to the mean, because the zscore is equal to the difference the xvalue and the mean, divided by the standard deviation.
Study Notes Test 2 3.15.3
10 terms
Vocabulary for Study Notes Test 2 3.15.3. Find, create, and access Standard Deviation, Probability theory, Probability And Statistics flashcards with Course Hero.
12 terms
Term:
The mean is the measure of central tendency affected by an extreme value (outlier)
Definition:
True
Study 1  2
12 terms
Vocabulary for Study 1  2. Find, create, and access Probability, Level of measurement, flashcards with Course Hero.