(a) When computing the standard deviation of a set of scores, when do we divide by N,...

Question:

(a) When computing the standard deviation of a set of scores, when do we divide by N, and when do we divide by N − 1?

(b) What is the difference between σ and s?

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For answer-question

Introductory Statistics For The Behavioral Sciences

ISBN: 9780470907764

7th Edition

Authors: Joan Welkowitz, Barry H. Cohen, R. Brooke Lea

See More Books

Question Posted: Feb 18, 2020 09:41 AM

See More Questions

If the standard deviation of a set of scores is zero, what does this imply about the scores? Can a standard deviation be negative? Why or why not?
The given expression is used to compute the standard deviation of three IQ scores. (The standard deviation is introduced in Section 3-3.) Round the result to one decimal place. (96-100)2 + (106-100)2...
Standard deviation: Refer to Exercise 12. Find the standard deviation of the number of particles that are withdrawn.
Kevin Steven opened a small tax-preparation service. Steven Tax Services trial balance at the end of its second year of operation is as follows. The following information is also available: a. Office...
From Table 12.4, deduce the order of ease with which C-H bonds in alkanes, alkenes, and alkynes are stretched. Suggest an explanation for the observed order.
A company's income statement for the year to 31 March 2022 is as follows: 1. The company acquired 240,000 of 10% debentures (for non-trade purposes) on 1 January 2022. Interest is receivable...
Defendants Jack and Claire Lein owned and lived on Willow Creek Farm from 1980 through 2004. The farm manager, Stewart, and his girlfriend, plaintiff Tambra Curtis, also lived on the farm during this...
Reigle Electronics is a manufacturer of cell phones, a highly competitive business. Reigles Phones carry a price of $99, but competition forces the company to offer significant discounts and rebates....
Alice wants to buy apples, beets, and carrots. An apple, a beet, and a carrot cost 16 dollars, two apples and three beets cost 23 dollars, and one apple, two beets, and three carrots cost 35 dollars....
Palisade Creek Co. is a merchandising business that uses the perpetual inventory system. The account balances for Palisade Creek as of May 1, 2018 (unless otherwise indicated), are as follows: During...
Use your statistical package to create a new variable that adds 50 points to the math quiz score. How have the measures of variability changed for this new variable as compared to the same measures...
(a) When is it desirable to use the SIQR as the measure of variability? (b) When is it desirable to use the mean deviation (MD) as the measure of variability?
Fred and Sally own a profitable business that deals in windsurfing equipment. They are the only UK agents to import Dryline sails from Germany, and in addition to this they sell a variety of boards...
As you begin writing a literature review, it is helpful to consider what a literature review is, why it is essential to the research process, how it is different from other sections of a...
Explain how a social worker assesses group dynamics. Then, evaluate the dynamics (communication, cohesion, social integration, influence) of the therapy. Explain how this group's dynamics may...
Write a 150-200 word reflection regarding the importance of the literature review. Why is the literature review important? What components develop from the literature review? Discuss the importance...
The distance, d, in metres travelled by a boat from the moment it leaves shore can be modelled by the function d (t) 3 t 6t +1, d is measured in meters = and t in seconds. a. Determine the average...
What is a literature review? What should be included in a well-written literature review? What important facts did you include in your literature review?
1. What do you think of "shock advertising"? Is it a good way to advertise to consumers? Explain. 2. If the people being caught on tape are not actors, is it okay to put them in those situations? 3....
Suppose you won a financial literacy competition and are given FJS10000 to invest, with the condition that investment can be done either in, i) Invest in Unit trust of Fiji or Invest in Fijian...
A parent group examines 25 randomly selected PG-13 movies and 25 randomly selected PG movies, records the number of sexual innuendos and curse words that occur in each, and then compares the number...
Suppose a flight attendant works on 2 flights per day for each of 300 days per year. What is the probability that the flight attendant will encounter at least one IFM over a 1-year period? Emergency...
A sample of 504 patients in early stages of Alzheimers disease is divided into two groups. One group receives an experimental drug; the other receives a placebo. The advance of the disease in the...
The Tolar Corporation has 400 obsolete desk calculators that are carried in inventory at a total cost of $576,000. If these calculators are upgraded at a total cost of $100,000, they can be sold for...
Hi-Tek Manufacturing, Incorporated, makes two industrial component parts-B300 and T500. An absorption costing income statement for the most recent period is shown below: Hi-Tek Manufacturing,...
10 Bruce Corporation makes four products in a single facility. These products have the following unit product costs: Direct materials 00:59:10 Direct labor Variable manufacturing overhead Fixed...

(a) When computing the standard deviation of a set of scores, when do we divide by N,...

Question:

Step by Step Answer:

Part a When the population is too large and it is inconvenient and timeconsuming to go along with it ...View the full answer

Introductory Statistics For The Behavioral Sciences

Students also viewed these Mathematics questions