Login

Contact Us
Homework
Homework Questions? Ask a Tutor for Answwers ASAP
Not a Homework Question?
How JustAnswer Works:
Ask an Expert
Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
Get a Professional Answer
Via email, text message, or notification as you wait on our site.
Ask follow up questions if you need to.
100% Satisfaction Guarantee
Rate the answer you receive.
Ask Susan Athena Your Own Question
Susan Athena
,
Professional w/Adv. Degree
Category:
Homework
Satisfied Customers:
4324
Experience:
10+ yrs teaching & tutoring. AP essay grader. 2 masters degrees. English, IT, business.
12809769
Type Your Homework Question Here...
Susan Athena is online now
I need this MULTIPLE CHOICE QUIZ ANSWERED WITHIN 60 minutes!!!!
Resolved Question:
I need this MULTIPLE CHOICE QUIZ ANSWERED WITHIN 60 minutes!!!! PSYCH 258: Behavioral Science Statistics.
1.
A 'rare' outcome, due to an extreme value found for the sample mean relative to the population mean, signifies that the null hypothesis should be:
Answer
a. retained
b. rejected
c. accepted
d. none of the above
1 points
Question 2
1.
To express a sample mean as a Z value:
Answer
a. subtract the hypothesized population mean.
b. subtract the hypothesized population mean and divide by the standard deviation.
c. subtract the hypothesized population mean and divide by the standard error of the mean.
d. subtract the hypothesized population mean and divide by the variance.
1 points
Question 3
1.
Given critical z values of ±1.96 and an observed z value of 2.40, the appropriate decision is to:
Answer
a. neither retain nor reject, but conduct another investigation
b. neither retain nor reject, but increase the size of the sample
c. reject the null hypothesis
d. retain the null hypothesis
1 points
Question 4
1.
Given an observed difference between a sample mean of 42 and a hypothesized population mean of 50, you:
Answer
a. can conclude that the null hypothesis is true
b. must determine whether this observed difference can reasonably be attributed to chance
c. can retain, but not accept, the null hypothesis
d. can conclude that the alternative hypothesis is true
1 points
Question 5
1.
A decision to reject the null hypothesis implies that:
Answer
a. there is a lack of support for the alternative hypothesis
b. there is support for the alternative hypothesis
c. the sample is probably not representative
d. the sample size is probably too small
e. none of the above
1 points
Question 6
1.
Compared to a twotailed hypothesis test, a onetailed test is more likely to detect a:
Answer
a. true null hypothesis
b. false null hypothesis in the direction of concern
c. false null hypothesis
d. true null hypothesis in the direction of concern
1 points
Question 7
1.
When the rejection of a true null hypothesis would have unusually disastrous consequences, it is best to set your level of significance equal to:
Answer
a. .10
b. .05
c. .01
d. .001
1 points
Question 8
1.
If your observed sample mean were exactly equal to your population mean (assuming some moderate variation in both the sample and the population), then your z value would be:
Answer
1. 1.96
2. 1.65
3. 2.58
4. 0
5. not enough information to determine
1 points
Question 9
1.
In an experiment to determine whether TV cartoons produce more aggressive behavior in grade school children, the null hypothesis would state that TV cartoons have:
Answer
a. an effect on aggressive behavior
b. only a slight effect on aggressive behavior
c. no effect on aggressive behavior
d. a statistically significant effect on aggressive behavior
1 points
Question 10
1.
If the null hypothesis is in reality false, and the z value of the randomly selected sample doesn't deviate beyond the critical z value, the null hypothesis will be:
Answer
1. correctly retained
2. correctly rejected
3. incorrectly retained
4. incorrectly rejected
1 points
Question 11
1.
Two ways to increase the likelihood of detecting a real effect are to _______ sample size and to _______ alpha.
Answer
a. increase; decrease
b. increase; increase
c. decrease; decrease
d. decrease; increase
1 points (Extra Credit)
Question 12
1.
You're testing a new vitamin pill that could save many lives if it works even a little bit, and would do no harm even if it did not have any real effect. Given that there is often a trade off between risking Type I and Type II error, which type should you concentrate on minimizing in this situation?
Answer
a. Type I error
b. Type II error
c. both Type I and Type II error are equally bad
d. Type III error; I don't know what it is, but I don't like it.
Submitted:
1 year ago.
Category:
Homework
Expert:
Susan Athena
replied 1 year ago.
THIS ANSWER IS LOCKED!
You can view this answer by clicking here to
Register
or
Login
and paying $3.
If you've already paid for this answer, simply
Login
.
Susan Athena, Professional w/Adv. Degree
Category:
Homework
Satisfied Customers:
4324
Experience:
10+ yrs teaching & tutoring. AP essay grader. 2 masters degrees. English, IT, business.
Susan Athena and 2 other Homework Specialists are ready to help you
Ask your own question now
Expert:
Susan Athena
replied 1 year ago.
Thank you!
I'm just following up to see if you still need help with your statistics class. Remember that I'm here to help when you need it.
Kind regards,
Susan
Ask Your Own Homework Question
JustAnswer in the News:
Askadoc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses workfromhome jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.
What Customers are Saying:
Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help.
Mary C.
Freshfield, Liverpool, UK
<
Last

Next
>
Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help.
Mary C.
Freshfield, Liverpool, UK
This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!!
Alex
Los Angeles, CA
Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult.
GP
Hesperia, CA
I couldn't be more satisfied! This is the site I will always come to when I need a second opinion.
Justin
Kernersville, NC
Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around.
Esther
Woodstock, NY
Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know.
Robin
Elkton, Maryland
He answered my question promptly and gave me accurate, detailed information. If all of your experts are half as good, you have a great thing going here.
Diane
Dallas, TX
Meet The Experts:
Manal Elkhoshkhany
Tutor
Satisfied Customers:
4520
More than 5000 online tutoring sessions.
<
Last

Next
>
http://ww2.justanswer.com/uploads/BU/BusinessTutor/201222_115741_Kouki2.64x64.jpg
Manal Elkhoshkhany's Avatar
Manal Elkhoshkhany
Tutor
Satisfied Customers:
4520
More than 5000 online tutoring sessions.
http://ww2.justanswer.com/uploads/LI/lindaus/2012610_04811_IMG20120609164157.64x64.jpg
Linda_us's Avatar
Linda_us
Finance, Accounts & Homework Tutor
Satisfied Customers:
3121
Post Graduate Diploma in Management (MBA)
http://ww2.justanswer.com/uploads/ComputersGuru/20100213_051118_Photo41.JPG
LogicPro's Avatar
LogicPro
Engineer
Satisfied Customers:
3035
Expert in Java C++ C C# VB Javascript Design SQL HTML
http://ww2.justanswer.com/uploads/lanis/200941_233717_phput9xef_c1pm.jpg
Lani S.'s Avatar
Lani S.
Tutor
Satisfied Customers:
2457
Registered Nurse, Internet Researcher, Private Tutor
http://ww2.justanswer.com/uploads/chooser77/20090818_162025_Chris.jpg
Chris M.'s Avatar
Chris M.
M.S.W. Social Work
Satisfied Customers:
2341
Master's Degree, strong math and writing skills, experience in oneonone tutoring (college English)
http://ww2.justanswer.com/uploads/JawaadAhmed/2009627_12137_SIs_SHadi.jpg
F. Naz's Avatar
F. Naz
Chartered Accountant
Satisfied Customers:
1975
Experience with chartered accountancy
http://ww2.justanswer.com/uploads/JK/jkcpa/2011116_182614_jkcpa.64x64.jpg
Bizhelp's Avatar
Bizhelp
CPA
Satisfied Customers:
1873
Bachelors Degree and CPA with Accounting work experience
Related Homework Questions
Question
Date Submitted
What is the best home school curriculum for elementary aged
9/18/2014
9/18/2014
judybailey52
Hey
9/17/2014
9/17/2014
jatechexpert
1. Your Windows 8 computer is DHCP enabled. You want to find
9/16/2014
9/17/2014
dukey01
i need at least 60 questions answered. I need them doubled
9/16/2014
9/17/2014
Cher
For Cher only practical English
9/16/2014
9/16/2014
Cher
Need a C# program
9/15/2014
9/18/2014
LogicPro
For Logic Pro ONLY Create a program that keeps track of
9/15/2014
9/18/2014
LogicPro
how do I send you the assignement
9/15/2014
9/18/2014
Manas11
**For TheDoctor** Hi, can you please help me with this. C#
9/15/2014
9/16/2014
TheDoctor
I need help on a lab please. It has to do with SQL. I need
9/15/2014
9/15/2014
John
X
Ask a Tutor
Get a Professional Answer. 100% Satisfaction Guaranteed.
104 Tutors are Online Now
Type Your Homework Question Here...
characters left: