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

(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?

Step by Step Solution

★★★★★

3.53 Rating (174 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock

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

blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Statistics Behavioral Sciences Questions!

Q:

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?

Q:

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...

Q:

Standard deviation: Refer to Exercise 12. Find the standard deviation of the number of particles that are withdrawn.

Q:

(a) What is the difference between the standard deviation of a set of scores and the standard error of the mean? (b) Do behavioral science researchers want the standard error of the mean to be small...

Q:

PSY 223 Final Project Guidelines and Rubric Overview The final project for this course is the creation of a statistical analysis report. The two research courses (PSY 223 and PSY 224) will demystify...

Q:

Directions: Use the table below to determine the standard deviation of the given test scores. Show all calculations and values in the chart. Round the mean, standard deviation, and variance to the...

Q:

Econ 2500 Section E 3.0 - Fall 2015 Assignment 1 (Due Date: October 8, 2015) Question 1: At the PISA Web site (www.pisa.oecd.org), there are summary statistics for math scores of 15-year-old males...

Q:

Each group will be given 15 minutes for presentation and explanation of code(JAVA). So, it is essential to put explanation on your every code. For this task you will create a class containing a...

Q:

1. Classify a random variable for the colors of automobiles on a used car lot. a. Continuous b. Discrete C c. Parsinomious d. Qualitative 2. A study was conducted where a political pollster wishes to...

Q:

In a Leichtman Research Group survey of 1050 TV households, 74.9% of them had at least one Internet-connected TV device (for example, Smart TV, standalone streaming device, connected video game...

Q:

At age 50, Charles began receiving payments u set a distribution method that provides for substantially equal payments over his life. He had no basis in the account. At age 58, after he had received...

Q:

Evaluate the integral.

Q:

In this technological age, accountants need high levels of IT skills, human-interaction skills and ability to create online content. However, their accounting skills must still be higher than all...

Q:

The informal alternative is to treat the pattern as a cliche or idiom that will occur frequently in our writing of programs but will vary from use to use. When we want to write a new program, we...

Q:

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...

Q:

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...

Q:

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...

Q:

25) Company Democrat bonds have the following terms: they mature in 10 years; they pay semiannual interest of $35; their par value is $1,000. If the (annual) market rate of interest on similar bonds...

Q:

Korbel Company is considering purchasing Hamilton (a privately heid company) and discovers the following about Hamllon a. No allowance for doubtul accounts has been established A $10,000 allowance is...

Q:

can you find the following corporate bond quotes. To calculate the number of years until maturity, assume that it is currently January 15, 2022. Bonds have a par value of $2000 in semiannual coupons....