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
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
Question 1 a - (4 points)
Data
x
1
2
3
4
5
1
1
1 SD
1 Mean
1 Median
1
1
1
1
The first five points
here.
1.58
3.00
3.00
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
5.5
As you enter your numbers into one of the data column, the chart next to it will automatically
Do not
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
Frequency Distribution of Maximum Temps
30
25
20
Frequency 15
10
5
0
45-53
54-62
63-71
72-80
81-89
90-98
99-107 108-118
Maximum Daily Temperatures
1.
Relative Frequency Distribution of Max Temps
0.6
0.5
0.4
Relative Frequency 0.3
0.2
0.1
0
49.0
58.0
67.0
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 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
Frequency Distribution
[45, 53]
[54, 62]
[63, 71]
[72, 80]
[81, 89]
[90, 98]
[99, 107]
[108, 116]
Midpoint
Relative Frequency
49.5
58.5
67.5
76.5
85.5
94.5
103.5
112.5
Cumulative Frequency
2
0
0
0
1
28
11
8
The temperature for AZ and CA seemed unusually l
MATH 201
DISCUSSION BOARD FORUM 2/PROJECT 4 INSTRUCTIONS
When performing a hypothesis test, you must make an assumption in order to perform it. Assume
that the hypothesis you are testing (the null hypothesis) is true. This assumption allows you to
calcula
Project 4
Type out each Old Testament prophecy with the verse reference followed by the New Testament
verse with the fulfillment. (9 points)
Old Testament Prophecies
Micah 5:2
2
But you, Bethlehem Ephrathah, though you are small among the clans of Judah,
1) a.) Create a data set of 5 points that are very close together and record the standard deviation.
I chose the first 5 data points as 15,17,19,21,and 23. This set of data points has a standard
deviation of 3.16
Then I added a 6th data point of 50. Addin
Data
x
0
40
45
55
60
100
Data
x
9
9
9
10
10
10
11
12
1
1
1 SD
1 Mean
1 Median
1
1
1
1
1
1
1 SD
1 Mean
1 Median
1
1
1
1
32.40
50.00
50.00
0
20
40
60
80
100
120
1.07
10.00
10.00
8.5
9
9.5
10
10.5
11
11.5
12
12.5
As you enter your numbers into one of the dat
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
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
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
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
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
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 (
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 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
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
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
Max Temps in August 2013
97
97
47
100
49