Running Head: WEEK 5 PROJECT
1
W5 Project Assignment Project Week 5
Makeisha Saunders-Muhammad
Grantham University Online
WEEK 5 PROJECT
2
Project Week 5
1. For each of the 2 majors consider the School Type column. Assuming the requirements are met,
const
Question 1
1. Determine which of the following statements is descriptive in nature and which is inferential. Refer to the data
below in How Old is My Fish?
HowOldisMyFish
AverageagebylengthoflargemouthbassinnewYorkState
Length
8
9
10
11
12
13
14
Age
2
3
3
Kasana Rauch-G00022381
Question 1
A&B
C. No, not really. All the cities are similar in range of values.
D. No. There isnt a huge spread between the values.
Part 2
A. Atlanta 24.6
Boston 33
Dallas 30.58
Philiadelphia 32.2
Seattle 27.4
St. Louis 25.8
B. The
Question 1
Question 2
a) The formula for the z-score is
z = (anx - )/(5.2/sqr-root of sample size)
This comes out to
z = (46.5 - 43)/ (5.2/Sqrt(35) = 3.9820
b) Yes, this z-score can be used in calculating probabilities using Table 3 in Appendix B
when the
Question 1
4 out of 4 points
What is Statistics?
Selected Answer:
A.
The science of collecting, describing, and interpreting data.
Answers:
A.
The science of collecting, describing, and interpreting data.
8
The science of data and variables.
C.
The art of
Part 1:
a.
b. Answers and estimation will vary.
c. No, not a huge amount in all 6 cities there is data from 20 to 37, with 4 having smaller
values and 5 having larger values.
d. No, not a huge spread
Part 2:
Part 3
a. Atlanta: 16.52 to 32.81; Boston: 24.1
Step 1: The mean weekly expenditure on fast food for adults 24 years of age and under,
Step 2: a. normality assumed, also CLT with n = 200
b. t
c. 1- = 0.95
Step 3: n = 200, x = 35, s = 14.50
Step 4: a. /2 = 0.05/2 = 0.025; df = 199; t(199, 0.025) = 1.96
1.
Experts have estimated that 25% of all homeless people in the U.S. are veterans.The proportion
of Americans in general who are homeless is 0.11. For random samples of
100 people, which is more normal?
A) distribution of sample proportion, when the popu
Mean
Women (%)
Southwest Airlines
Kingston Technology
SAS Institute
FEL-Pro
TDIndustries
MBNA
W.L.Gore
Microsoft
Merck
Hewlett-Packard
Synovus Financial
Goldman Sachs
MOOG
DeLoitte & Touche
Corning
Wegmans Food Products
Harley-Davidson
Federal Express
Pro
Jamie Foreman (G00036916)
BA215 Business Statistics
Assignment Week 1
Date 5/9/2015
Question 1
1. Determine which of the following statements is descriptive in nature and which is inferential. Refer
to the data below in How Old is My Fish?
How Old is My F
Jamie Foreman (G00036916)
BA215
Week 7 Assignment
Date: 6/21/2015
Question 1
To compare commuting times in various locations, independent random samples were obtained from
the six cities presented in the Longest Commute to Work graphic on page 255 in your
Jamie Foreman (G00036916)
BA215 Business Statistics
Assignment Week 2
Date 5/17/2015
Assignment Week 2
Question 1
1. Baseball stadiums vary in age, style, size, and in many other ways. Fans might think of the size
of the stadium in terms of the number of
Jamie Foreman (G00036916)
BA215
Week 3 Assignment
Date:
Assignment Week 3
Question 1
If you could stop time and live forever in good health, what age would you pick? Answers to this
question were reported in a USA Today Snapshot. The average ideal age for
Jamie Foreman (G00036916)
BA215
Week 5 Assignment
Date: 6/8/2015
Question 1
Using the telephone numbers listed in your local directory as your population, randomly obtain 20
samples of size 3. From each telephone number identified as a source, take the fo
State
WA
ID
MT
WY
SD
MN
WI
IL
IN
OH
PA
NY
MA
No. of
Inter
Miles
57
15
83
23
61
52
40
19
21
40
14
48
18
298
73
558
207
412
275
188
103
157
244
47
391
159
number of intersections, and miles
SUMMARY OUTPUT
600
300
Regression Statistics
Multiple R
0.941591
R
Consumer behavior essentially refers to how and why people make the purchase
decisions they do. Marketers strive to understand this behavior so they can better formulate
appropriate marketing stimuli that will result in increased sales and brand loyalty.
Market segmentation is a two-step process; naming broad product markets, and segmenting
those markets in order to select target markets. Most segmentation efforts fail because
inexperienced marketers attempt to find one or two demographic characteristics
Mario Jenkins
Week 8
In today's world we are faced with situations everyday where statistics can be applied.
Statistics can be used to determine the potential outcome of thousands of things where the human
mind alone wouldn't be able to. Statistics benefi
Mario Jenkins
Week 3
Question 1
a. The age of the person being interviewed is not the random variable here because the only information
needed from him is the age group to which he belongs among the given ranges & his choice of ideal age.
b & c. Random va
Mario Jenkins
Week 6
Question 1
Given a=0.05, |Z(0.025)|=1.96 (check standard normal table)
So 95% CI is
xbarZ*s/ n
-> 351.96*14.5/sqrt(200)
-> (32.9904, 37.0096)
Question 2
Ration A
65 37 40 47 49 65 53 59
Sample mean= 51.88 Sample Standard Deviation= 10
Mario Jenkins
Week 1
A. Inferential. The word all means the entire population of fish in the state.
B. Descriptive. Descriptive describe sample and not the entire population.
Descriptive statistic does not infer about the entire populations and is only a
1.
Primary research can be defined as research designed and conducted by the person or
group originating the request.
2.
Secondary research can be defined as utilizing existing research data gathered by an
external source.
3.
The downside of professionall
STP meaning Segmentation, Targeting, and Positioning.
Segmentation is performed to determine which kinds of customers exist for a specific product or market.
Segmentation is important to an online business because they know customers have different buying
Jamie Foreman (G00036916)
BA215 Business Statistics
Assignment Week 1
Date 5/9/2015
Question 1
1. Determine which of the following statements is descriptive in nature and which is inferential. Refer
to the data below in How Old is My Fish?
How Old is My F
Week 4 Midterm
Question 1
1.
2.
3.
4.
7
3
7
Hi: quantitative, Lo: quantitative, condition: qualitative
Question 2
Grade
A
B
C
Total
Frequency
4
11
5
20
Relative
Frequency
0.20
0.55
0.25
1.00
Question 3
1. Median:
- If data set has odd number of entries, m
The aaverage of the 10 rolls is 7.8. The average of the 20 rolls is 6.95.
The Central Limit Theorem states that the arithmetic mean of a sufficiently large number of iterates of
independent random variables will be approximately normally distributed, rega