z=
z=
r=
m=
b=
p-p
Sqr(pq/n)
Sample P
First P is sample statistics
P
0.36
-4.097121557
Q
0.41
N
0.59
n SUMxy -(SUMx)(SUMy)
SQR[(nSUMx2)-(SUMx)2] * SQR[nSUMy2 - (SUMy)2
n SUMxy -(SUMx)(SUMy)
nSUMx2-(SUMx)2
(SUMy/N) - (m) * (SUMx/n)
N
6
X
1
2
Y
40
42
XY
40
A student receives the following grades, with an A worth 4 points, a B worth 3 points, a C worth 2 points, and a D worth 1
point. What is the student's weighted mean grade point score?
B in
D in 1
33
twotwo-credit
threethree-credit class
classes
A in 1
C
2.2 More Graphs and Displays
Stem and leaf plots list them lowest to greatest. Keep all of the numbers in the rows.
The first number is the stem and the second number is the leaf (76 = 7 | 6)
o
We see that there are more grades in the 80s than anything el
Week 1
An Overview of Statistics
Data Consists of information coming from observations, counts, measurements, or
responses.
Statistics Is the science of collecting, organizing, analyzing, and interpreting data in
order to make decisions.
There are two typ
Week 3
3.1 Basic Concepts of Probability and Counting
Identify sample space of probability experiment.
A probability experiment us an action or trial through which specific results are
obtained. The result of a single trial is an outcome. The set of all p
Week 4 Videos:
4.1 Probability Distributions
A random variable x represents a numerical value associated with each
outcome of a probability experiment.
A random variable is discrete if it has a finite or countable number of possible
outcomes that can be l
Week 5 Videos
5.4 Sampling Distributions and the Central Limit Theorem
A sampling distribution is the probability distribution of a sample statistic that is formed
when samples of size n are repeatedly taken from a population. If the sample statistic is
t
Week 7 Videos
7.4 Hypothesis Testing for Proportions
z-test for a proportion p. (make am Excel sheet to resolve these tests)
Test Statistic / Standardized test statistic / binomial
Claim, null and alternate hypothesis:
9.1 Correlation
Correlation coeffici
Week 6 videos
7.1 Introduction to Hypothesis Testing
A hypothesis test is a process that uses sample statistics to test a claims about the value
of a population parameter.
State a null hypothesis and alt hypothesis.
*In a hypothesis test, you assume that
MATH 201
DISCUSSION BOARD FORUM 1/PROJECT 2
Standard Deviation and Outliers
Carla Brantley
1. A. Create a set of 5 points that are very close together and record the standard deviation.
0.011, 0.012, 0.013, 0.014, 0.015 std: 0
Next, add a sixth point that
Week 1
An Overview of Statistics
Data Consists of information coming from observations, counts, measurements, or
responses.
Statistics Is the science of collecting, organizing, analyzing, and interpreting data in
order to make decisions.
There are two typ
MATH 201
PROJECT 1 INSTRUCTIONS
Based on Larson & Farber: section 2.1
1. Go to this website.
2. Make a grouped frequency distribution of the maximum daily temperatures for the 50 states for
the last month. From what date do you start the 30 days? Week 1 b
STANDARD NORMAL DISTRIBUTION: Table Values Represent AREA to the LEFT of the Z score.
Z
-3.9
-3.8
-3.7
-3.6
-3.5
-3.4
-3.3
-3.2
-3.1
-3.0
-2.9
-2.8
-2.7
-2.6
-2.5
-2.4
-2.3
-2.2
-2.1
-2.0
-1.9
-1.8
-1.7
-1.6
-1.5
-1.4
-1.3
-1.2
-1.1
-1.0
-0.9
-0.8
-0.7
-0
Week 8 Videos
10.1 Goodness-of-Fit Test
Chi-square
Get Expected Value (E) by multiply distribution by number of people in survey (this one is 400).
Null hyp = This distribution is as shown in the table
Alt hyp the distribution differs than what is shown (
1. Probabilities
a. Micah 5:2 - Jesus was born in Bethlehem, from the tribe of Judah.
i. Probability of 1/12 since there were 12 tribes of Judah
ii. 1/12=.0833
b. Isaiah 40:3-John the Baptist would come from the Judean wilderness proclaiming the
coming of
Question 1 a - (4 points)
Data
x
1
3
4
6
7
1
1
1 SD
1 Mean
1 Median
1
1
1
1
The first five points
here.
2.39
4.20
4.00
0
1
2
3
4
5
6
7
8
As you enter your numbers into one of the data column, the chart next to it will automatically
Do not enter numbers fo
5.4 Sampling Distributions and the Central Limit Theorem
How to find sampling distributions and verify their properties
A sampling distribution is the probability distribution of a sample statistic, that is formed when samples
of size n are repeatedly tak
7.1 Introduction to Hypothesis Testing
A hypothesis test is a process that uses sample statistics to test a claim about the value of a population
parameter.
how to state a null hypothesis and an alternative hypothesis.
1. A null hypothesis is a statistica
Micah 5:2
But thou, Bethlehem Ephratah, though thou be little among the
thousands of Judah, yet out of thee shall he come forth unto me that
is to be ruler in Israel; whose goings forth have been from of old,
from everlasting.
Behold, I will send my messe
State
AL
AK
AZ
AR
CA
CO
CT
DE
FL
GA
HI
ID
IL
IN
IA
KS
KY
LA
ME
MD
MA
MI
MN
MS
MO
MT
NE
NV
NH
NJ
NM
NY
NC
ND
OH
OK
OR
PA
RI
SC
SD
TN
TX
UT
VT
Max Temps in August 2013
Max = 111
97
Min = 47
97
47
100
49
109
93
91
102
99
90
97
97
93
100
111
93
97
93
97
97
91
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
GA
HI
ID
IL
IN
IA
KS
KY
LA
ME
MD
MA
MI
MN
MS
MO
MT
NE
NV
NH
NJ
NM
NY
NC
ND
Max Temps in August 2013
99
97
44
100
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
GA
HI
ID
IL
IN
IA
KS
KY
LA
ME
MD
MA
MI
MN
MS
MO
MT
NE
NV
NH
NJ
NM
NY
NC
ND
Max Temps in August 2013
99
97
44
100
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
GA
HI
ID
IL
IN
IA
KS
KY
LA
ME
MD
MA
MI
MN
MS
MO
MT
NE
NV
NH
NJ
NM
NY
NC
ND
Max Temps in August 2013
99
97
44
100
State
AL
AK
AZ
AR
CA
CO
CT
DE
FL
GA
HI
ID
IL
IN
IA
KS
KY
LA
ME
MD
MA
MI
MN
MS
MO
MT
NE
NV
NH
NJ
NM
NY
NC
ND
OH
OK
OR
PA
RI
SC
SD
TN
TX
UT
VT
VA
Max Temps in August 2013
97
97
47
100
49
109
93
91
102
99
90
97
97
93
100
111
93
97
93
97
97
91
109
97
97
90
10