Hammond1
Samantha Hammond
Dr. Smith
ENC 0025
1 September 2017
Disadvantages and Advantages of Online Learning
One of the growing trends in higher education is online learning. Colleges and
universitie
[lastname]1
[Your Name]
Dr. Laura Smith
ENC0025
26 August 2017
Skills for College Success
During their first year of college, students are confronted with many new demands. They
must cope with difficu
Component 4/Unit 6
Self-Assessment Key
Note: not all questions are required to demonstrate understanding assessment can
be shortened by selecting fewer questions representing each Objective(s):.
Multi
Math 54 Chapter 10 extra practice problems.
From Elementary Statistics, by Mario Triola
1. In a randomized controlled trial in Kenya, insecticide-treated bednets were tested as a
way to reduce malaria
COURSE SCHEDULE - UPDATED
SPN 1120 Spring 2015
FECHA
ACTIVIDADES
9 de febrero (M) Leccin 2
11 de
(W)
16 de
(M)
18 de
(W)
23 de
(M)
25 de
(W)
TAREAS
SUPERSITE
Leccin 2 (estructura)
febrero
Leccin 2
feb
Module 1 Quiz
Select the most appropriate response.
_ 1.
a)
b)
c)
d)
Which of the following correctly describes the relationship between a parameter and a statistic?
A statistic is calculated from sam
Module 2 Quiz
Select the most appropriate response.
_ 1.
a)
b)
c)
d)
What is the set of all possible outcomes of a probability experiment?
compliment
Venn diagram
sample space
events
Select the most a
Chapter 1
The Nature of Probability and
Statistics
Learn
.
- Knowledge of statistical terms
- Difference between two branches of statistics
- How to identify types of data
- Identify four basic sampli
STA 2023 Practice Final Exam
Name: _
All problems worth 2 points
1. (True or False)
_The number of students in a class is an example of a continuous
variable.
2. (True or False)
_A person's political
STA 2023 Practice Test #2
Name:_
All problems worth 5 points
_1) For the following set of numbers, determine if there are any outliers. You must show your
work for any credit.
10
20
30
500
12
1
_2) Fo
Practice Test #4 STAT 2023
1. According to US statistics, the average age of a high school graduate is now 18.5 years. A Department
of Education executive feels the age is lower than this A sample of
What you need to know for test #1
1. Difference between qualitative and quantitative variables
2. Difference between discrete and continuous variables
3. Different sampling types cluster, random, stra
Practice STA 2023 Test #3 T
1) Using tables find (-1.14<z<2.18)
2) Find P(z>1.75)
3) Find P(-1.12<z<2.91)
4) Find P(z<-2.13)
5) Find P(X<150), when =17 and =147
6) During the month of July, the averag
Module 4 Quiz
Construct the requested confidence interval.
_ 1.
In a random sample of 60 computers, the mean repair cost was $150 with a standard deviation of $36.
Construct a 90% confidence interval
Module 1 Quiz (Solutions)
Select the most appropriate response.
A
A
-l
1.
Which of the following correctly describes the relationship between a parameter and a statistic?
a)
b)
c)
d)
A statistic is ca
Let X count the number of passengers that ride a commuter ferry on any given trip. The
distribution of X is unknown, but the mean is known to be x 125 and standard deviation is
known to be 15. If the
Let X count the number of passengers that ride a commuter ferry on any given trip. The
distribution of X is unknown, but the mean is known to be x 125 and standard deviation is
known to be 15. If the
Let X count the number of passengers that ride a commuter ferry on any given trip. The
distribution of X is unknown, but the mean is known to be x 125 and standard deviation is
known to be 15. If the
Let X count the number of passengers that ride a commuter ferry on any given trip. The
distribution of X is unknown, but the mean is known to be x 125 and standard deviation is
known to be 15. If the
Let X count the number of passengers that ride a commuter ferry on any given trip. The
distribution of X is unknown, but the mean is known to be x 125 and standard deviation is
known to be 15. If the
1. A population has a mean of 50 and a standard deviation of 6. (a) What are
the mean and standard deviation of the sampling distribution of the mean for
N = 16? (b) What are the mean and standard dev
1. A bottling company uses a filling machine to fill plastic bottles with a popular cola. The bottles
are supposed to contain 300 milliliters. In fact, the contents vary according to a normal
distribu
Sampling Distribution Practice Problems
1. The company JCrew advertises that 95% of its online orders ship within two working days.
You select a random sample of 200 of the 10,000 orders received over
5. Use the standard scores to determine who is eernearahl]r taller.
[A] The brother [B] The sister
6. In each case, describe what the zlseore of the observation represents.
T. Use the empirical rule t
HW #7? Name:
Standard See-res
STA 23-23
Assume that male and female heights are normallyr distributed and that the average height for a male is T]
inches with a standard deviation of4.3 inches and tha
Consider the following histogram.
[4. Determine the shape of the histogram.
[A] Skew left
[B] Symmetric
[C] Skew tight
F
l'
E
I
ll
E
II
I:
use use 23m: 19m:
allele-s
15. Is the mean or the median la
Homework Stat2
The z distribution
A. contains 100% of all scores within -3 and +3 standard
deviations.
B. has a mean of 0 and a standard deviation of 10.
C. is positively skewed.
D. has a mean of 0 an
HW #4
Measures of Center
STA 2023
Name: _
_ 1. Calculate the mean, median and mode of the following data set.
[A]
[B]
[C]
[D]
mean = 4,
mean = 4,
mean = 4,
mean = 4,
median = 3.5,
median = 4,
median =
Homework Stat2
Patient recently diagnosed with Alzheimer's disease takes a cognitve abilities test.
The patient scores a 45 on the test (mean = 52, standard deviation of 5. What is this
patient's perc