Assignment: Central tendency measure

Want create site? With you can do it easy.

Assignment: Central tendency measure

Assignment: Central tendency measure

Provide a response to the following questions.

1. The Wilcox & Keselman (2003) article from this week’s electronic readings discusses two problems with measures of central tendency: skewness of the data and outliers. Discuss each of these issues and how they affect measures of central tendency.

2. For the following scores, find the mean, median, and mode. Which would be the most appropriate measure for this data set? You may use Microsoft® Excel® data anlysis to compute these statistics. You may copy your output from Microsoft® Excel® into this worksheet.

2, 2, 0, 5,1, 4,1, 3, 0, 0, 1, 4, 4, 0,1, 4, 3, 4, 2, 1

3. Based on the scale of measurement for each variable listed below, which measure of central tendency is most appropriate for describing the data?

a. The time (in years) it takes a sample of students to graduate college.

b. The blood type (such as A, B, AB, or O) of a group of participants.

c. The rankings of college undergraduate academic programs.

Permalink:

4. How do the sample mean and the population mean differ? What is the symbol for each type of mean?

5. An expert reviews a sample of 10 scientific articles (n = 10) and records the following numbers of error in each article: 0, 4, 2, 8, 2, 3, 1, 0, 5, and 7. Compute the SS, the variance, and the standard deviation for this sample using the definitional and computational formulas. You may use Microsoft® Excel® data anlysis to compute these statistics. You may copy your output from Microsoft® Excel® into this worksheet.

6. A psychologist interested in political behavior measured the square footage of the desks in the official office of four U.S. governors and of four CEOs of major U.S. corporations. The figures for the governors were 44, 36, 52, and 40 square feet. The figures for the CEOs were 32, 60, 48, 36 square feet.

a. Figure the means and standard deviations for the each group: governors and CEOs.

b. Explain, to a person who has never had a course in statistics, what you have done.

c. Note the ways in which the means and standard deviations differ, and speculate on the possible meaning of these differences, presuming they are representative of U.S. governors and large corporations’ CEOs in general.

7. Radel and colleagues (2011) conducted a study of how feeling overly controlled makes you desire—even unconsciously—more freedom. In their study, 52 Canadian undergraduates played a video game in a laboratory and were randomly assigned to one1 of the following:

· An automony deprivation condition, in which they were told to follow instructions precisely, constantly given instructions over a loudspeaker, and carefully observed on everything they did.

· A neutral condition, which was much more laid back.

After this activity, they were asked to do a lexical decision task (a standard approach for measuring unconscious responses), in which they were shown a series of words and nonwords in random order and had to press C if it was a real word or N if not. Half of the real words were related to autonomy (such as freedom and choice), and half were neutral (such as whisper and hammer). The key focus of the study was on how long it took people to press the button (response latency) for each kind of real word, averaged over the many words of each type. The table below shows the mean and standard deviation across the participants of these four categories of results. For example, 782 milliseconds (thousandths of a second) is the average time it took participants in the autonomy-deprived condition to respond to the autonomy-related words, and 211 is the standard deviation across the 26 participants’ average response time in that condition. Explain the numbers in this table to a person who has never taken a course in statistics. (Be sure to explain some specific numbers, as well as the general principle of the mean and standard deviation.) For your interest, the pattern of results shown here supported the researchers’ hypothesis: “Relative to a neutral instructional climate, a controlling climate thwarting the need for autonomy…enhanced accessibility for autonomy-related words” (p. 924).

Mean Latencies (in Milliseconds) in the Lexical Task Assessing Accessibility for Autonomy-Related Constructs (Experiment 1)

Condition

Autonomy Deprivation
Neutral
Construct M SD
M SD
Autonomy-related words 782 211
857 243
Neutral words 835 258
841 301

8. A researcher records the levels of attraction for various fashion models among college students. He finds that mean levels of attraction are much higher than the median and the mode for these data.

a. What is the shape of the distribution for the data in this study?

b. What measure of central tendency is most appropriate for describing these data? Why?

9. An organizational psychologist measures levels of job satisfaction in a sample of 30 participants. To measure the variance of job satisfaction, it is calculated that the SS = 120 for this sample.

a. What are the degrees of freedom for the variance?

b. Compute the variance and standard deviation (you will have to do this one by hand).

10. State the three empirical rules for a normal distribution with any mean and varaince.

Did you find apk for android? You can find new and apps.

Calculate the price
Make an order in advance and get the best price
Pages (550 words)
$0.00
*Price with a welcome 15% discount applied.
Pro tip: If you want to save more money and pay the lowest price, you need to set a more extended deadline.
We know how difficult it is to be a student these days. That's why our prices are one of the most affordable on the market, and there are no hidden fees.

Instead, we offer bonuses, discounts, and free services to make your experience outstanding.
How it works
Receive a 100% original paper that will pass Turnitin from a top essay writing service
step 1
Upload your instructions
Fill out the order form and provide paper details. You can even attach screenshots or add additional instructions later. If something is not clear or missing, the writer will contact you for clarification.
Pro service tips
How to get the most out of your experience with Assignments ABC
One writer throughout the entire course
If you like the writer, you can hire them again. Just copy & paste their ID on the order form ("Preferred Writer's ID" field). This way, your vocabulary will be uniform, and the writer will be aware of your needs.
The same paper from different writers
You can order essay or any other work from two different writers to choose the best one or give another version to a friend. This can be done through the add-on "Same paper from another writer."
Copy of sources used by the writer
Our college essay writers work with ScienceDirect and other databases. They can send you articles or materials used in PDF or through screenshots. Just tick the "Copy of sources" field on the order form.
Testimonials
See why 10k+ students have chosen us as their sole writing assistance provider
Check out the latest reviews and opinions submitted by real customers worldwide and make an informed decision.
Healthcare Writing & Communications
Perfect! Thank you so much for all of your help!
Customer 452483, October 31st, 2021
Nursing
Good job! Thank you
Customer 452487, October 17th, 2021
Microbiology
Perfect! Thank you guys for all of your great help! :)
Customer 452483, August 23rd, 2021
Mathematics
Job WELL DONE! Thank You very much!!
Customer 452483, July 12th, 2021
Psychology
Thank you for all of your help and hard work, truly appreciate you guys always being there with my hectic schedule. Thank you again!
Customer 452483, September 20th, 2021
Psychology
Thank you so much for all of your hard work, appreciate every bit of it!
Customer 452483, September 6th, 2021
Healthcare Writing & Communications
Excellent!! You’re awesome, thank you very much for all of your hard work & help!!
Customer 452483, October 24th, 2021
Nursing
Excellent writing !! Definitely I will use your services again... Thank you.
Customer 452487, August 22nd, 2021
Mathematics
PERFECT! Thanks a million, you're all awesome!!!!
Customer 452483, July 7th, 2021
Communications
Thank you for your hard work; I enjoyed reading the essay and appreciate your writing.
Customer 452483, July 18th, 2021
Psychology
Very clear, and complete information presented. I, thank you for all of your hard work, appreciate it!
Customer 452483, August 9th, 2021
English 101
na
Customer 452547, March 22nd, 2022
1159
Customer reviews in total
96%
Current satisfaction rate
2 pages
Average paper length
47%
Customers referred by a friend
OUR GIFT TO YOU
15% OFF your first order
Use a coupon ABC15 and enjoy expert help with any task at the most affordable price.
Claim my 15% OFF Order in Chat
Open chat
Chat with us Live Here
Get in Touch with Our Live Chat Agents via WhatsApp on +1(346) 416-0954. Get Unlimited Access to Answers on Any Queries With Your Paper.