t-Test: Two-Sample Assuming Equal Variances
response response
Mean
15.5625 9.333333
Variance 26.52917
24
Observatio
16
9
Pooled Var 25.64946
Hypothesiz 6.22917
df
23
t Stat
-1.6E-006
P(T<=t) one0.499999
t Critical o 1.713872
P(T<=t) two0.999999
t Critical
Name
Instructor
Course
Date
A confidence interval gives an estimated range of values which is likely to include an unknown
population parameter, the estimated range being calculated from a given set of sample data (Valerie J.
Easton and John H. McColls St
FORD FIESTA
Name:
ID#
DO YOU THINK
Using Social Media and Viral
Marketing* to Launch a Car in the United
States will be successful ?
* a method of product promotion that relies on getting customers to market an idea, product, or service
on their own by te
Ch14
Question 1
1 out of 1 points
A multiple
regression model
includes the term,
(X1)(X2). If
hypothesis that the
term's regression
coefficient is NOT
rejected, what is a
valid conclusion?
Answer
Selected
Answer:
the effect of X
X
Correct Answer:
the effe
Ch13
Question 1
1 out of 1 points
A sales manager for
an advertising
agency believes that
there is a
relationship between
the number of
contacts that a sales
person makes and
the amount of the
sales dollars earned.
A regression
analysis shows the
followin
Question 1
1 out of 1 points
In a two-way
ANOVA with
interaction, a
significant
interaction term
indicates that
Answer
Selected Answer:
both factors are unrelated.
Correct Answer:
both factors have a combined effect on the response variable.
Response
Feed
Question 1
1 out of 1 points
In testing the
difference between
two population
proportions, we pool
the two sample
proportions to
estimate the
population
proportion.
Answer
Selected Answer:
Correct Answer:
Response
Feedback:
correct
AACSB: Communication Ab
Chapter 13, #63 (9 points):
Type your answer here.
a.
Fi t t e dLi ne Pl ot
Wins = 67. 12 + 0. 1568Salar y
S
R Sq
R Sq ( ad j )
100
W ins
90
80
70
60
50
75
100
125
Sa la r y
150
175
There is a relationship between the two variables.
b.
67.12 + 0.1568 *100
Chapter 8, #47 (2 points):
Type your answer and paste your Minitab graphs here (if applicable).
a. b.
Descriptive Statistics: Attendance
Variable
Attendance
Total
Count
30
Mean
2.448
Chapter 10, #67:
Type your answer and paste your Minitab graphs here (if applicable).
95% confidence Level (because the significance level is .05) To reject HO we need to find a p
less than .05. This is related to alpha
One-Sample T: Salary
Test of mu = 8
Chapter 9, #69:
Type your answer and paste your Minitab graphs here (if applicable).
a.
Variable N mean Standard deviation standard error 95% confidence interval
Price
105 221.10
47.11
4.60
(211.99, 230.22)
221.10+/-(230.22-221.10)
95 times out of 100. Th
Chapter 7, #75
Type your answer and paste your Minitab graphs here (if applicable).
a. The cumulative probability for X= 3.5 is 934 therefore, 1- 9 will give us the probability of
more than X= 3.5. Thus, 0.066 is the probability of more than 3.5. The actu
Chapter 6, #71:
168.7 the mean number of HR 168.7/162 then multiplie it by 2 we get 2.07
Determining the mean of the interval: 168.07/162*2=2.07
Type your answer and paste your Minitab graphs here (if applicable).
a. 12.6% prob of 0 HR/game
b. 27% prob of
Name:
Chapter 4, #45:
Type your answers and paste your Minitab graphs here.
a. There are 5 teams that are outliers: Loa Angeles Angels, Oakland As, Los Angeles
Dodgers, Chicago Cubs, Boston Red Sox
b. The NY Yankees are the outlier. They spent $50 million
Name
Chapter 3, #87:
Type your answers here.
a1. Using Mean as the indicator or central tendency, the mean salary of the 30 teams is $88.5
mil. If we use median as the indicator of central tendency, the median salary of the teams is
$80.35 mil. Since the
Chapter 2, #51
Type your answers here and paste figure(s) from Minitab when appropriate:
a. The data for selling price of homes clustered around a selling price of 180 up to 250 range.
b. The largest selling price is 345.3; the smallest selling price is 1
Chapter 12, #49 (3 points):
Type your answer here.
a.
Hypotheses:
Ho:
=H1:
H0: without pool = with pool
H1: without pool with pool
Test for Equal Variances: Price versus Pool
98% Bonferroni confidence intervals for standard deviations
Pool
0
1
N
67
38
Low
Chapter 11, #61
Type your answer and paste your Minitab graphs here (if applicable).
a.
1iswithoutpool,2iswithpool
Hypotheses:
H0:1=2
Ha:12(Claim)
CriticalValue:
At =0.05,Foratwotailedtest,z(crit)=1.96
Two-Sample T-Test and CI: Price, Pool
Two-sample T f
16
Student: _
1.
A leadership vision consists of six related components.
True False
2.
The idea component of the leader's vision is always a solo effort by the leader.
True False
3.
A leaders credibility will erode if team members are not being held accou
15
Student: _
1.
Bad leadership can occur in many levels in the organization.
True False
2.
Bad leadership is very clear-cut and easily identified.
True False
3.
The base rate of managerial incompetence maybe between 25 to 30 percent.
True False
4.
The ro
14
Student: _
1.
According to the text, the rational and emotional approaches are the two major ways to drive
organizational change.
True False
2.
The rational approach to change can be represented by the formula: V = n x P x R x T.
True False
3.
It is ea
13
Student: _
1.
Leader-member exchange has not changed in the last twenty years.
True False
2.
The normative decision model has been established to be an all-encompassing theory.
True False
3.
Acceptance of a decision is not always critical for implement
12
Student: _
1.
Researchers advocating the situational viewpoint believed leaders were made, not born.
True False
2.
In the information age, companies succeed according to how well they can capture the benefits
from "economies of scale and scope".
True F
11
Student: _
1.
Specific goals do not work as well as general goals.
True False
2.
Easy goals do not result in high levels of performance.
True False
3.
Organizational goals are most likely to be achieved if there is commitment at both the top and the bo
10
Student: _
1.
Groups are characterized by mutual interaction and reciprocal influence.
True False
2.
Social contact is better satisfied by organizations than by groups.
True False
3.
Leaders with a large span of control tend to display more considerati
09
Student: _
1.
Motivation is the direction, intensity and persistence of behavior.
True False
2.
In Maslow's hierarchy, physiological and security needs must be satisfied before belongingness or esteem
needs are pursued.
True False
3.
Companies that spe