Question: If a test having reliability r is lengthened by a factor n, the reliability of the new test is given by Find the rate at

If a test having reliability r is lengthened by a factor n, the reliability of the new test is given by
nr R=- R = 1+ (n – 1)r 0<rs1

Find the rate at which R changes with respect to n.

nr R=- R = 1+ (n 1)r 0

Step by Step Solution

★★★★★

3.39 Rating (168 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock

Rn nr 1 nr r ... 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

Document Format (1 attachment)

Word file Icon

1386-M-C-L-A-D(3879).docx

120 KBs Word File

Students Have Also Explored These Related Calculus Questions!

Q:

If a test that has reliability r is lengthened by a factor n (n ( 1), the reliability R of the new test is given by If the reliability is r0.6, the equation becomes (a) Find R(1). (b) Find R(2); that...

Q:

1. Develop numerical summaries of the data. 2. Use regression analysis to develop an estimated regression equation that could be used to predict the value score given the price of the car. 3. Use...

Q:

1. Treating Cost/Mile as the dependent variable, develop an estimated regression with Family-Sedan and Upscale-Sedan as the independent variables. Discuss your findings. 2. Treating Value Score as...

Q:

1) Suppose that the profit (in dollars) from the production and sale of x units of a product is given by P ( x ) = 180 x ? x 2 / 100 - 200 In addition, suppose that for a certain month the number of...

Q:

[-70.4 Points] DETAILS HARMATHAP12 1.2.050. R(n) If a test that has reliability r is lengthened by a factor n (n 2 1), the reliability R of the new test is given by nr 0

Q:

If a test that has reliability r is lengthened by a factor n (n 1), the reliability R of the new test is given by R(n) = nr 1+ (n-1)r 0

Q:

Assessment & Evaluation in Higher Education Vol. 29, No. 1, February 2004 Academic procrastination and statistics anxiety Anthony JOnwuegbuzieDepartment of Educational Measurement and Research,...

Q:

Assessment & Evaluation in Higher Education Vol. 29, No. 1, February 2004 Academic procrastination and statistics anxiety Anthony JOnwuegbuzieDepartment of Educational Measurement and Research,...

Q:

CUSTOMER RELATIONSHIP MANAGEMENT: ITS DIMENSIONS AND EFFECT ON CUSTOMER OUTCOMES Frederick Hong-kit Yim, Rolph E. Anderson, and Srinivasan Swaminathan Despite the rapidly growing customer...

Q:

Chapter 5 Theories of Motivation LEARNING OBJECTIVES After reading this chapter, you should be able to do the following: 1. Understand the role of motivation in determining employee performance. 2....

Q:

The std:endl stream manipulator_ Select one: O a. inputs a newline. O b. inputs a newline and flushes the output buffer. O c. outputs a newline and flushes the output buffer. O d. flosses the output...

Q:

How is it possible to embed political risk insurance in a capital budgeting analysis?

Q:

41. LO.6 Perch, Inc., an exempt organization, has unrelated business taxable income of $4 million. a. Calculate Perchs UBIT. b. Prepare an outline of a presentation you are going to give to the new...

Q:

2. Discuss why it is important to understand which managerial strategy a firm is practising before designing a compensation system for that firm.

Q:

Consider the 40 observations collected on the number of nonconforming coil springs in production batches of size 50 given in Exercise 6-79. (a) Based on the description of the random variable and...

Q:

Consider the 20 observations collected on the number of errors in a string of 1000 bits of a communication channel given in Exercise 6-80. (a) Based on the description of the random variable and...

Q:

Consider the spot weld shear strength data in Exercise 6-23. Does the normal distribution seem to be a reasonable model for these data? Perform an appropriate goodness-of-fit test to answer this...

Q:

7. If your client decides to invest 65% of their money into ORP and 35% into Rf security, what would be the expected return of that combination (Rf = 0.1%)? a. 2.70% b. 2.56% c. 1.79% d. 1.76% e....

Q:

Business QUESTION 31 Lucky accountants, the International Accounting Standards are identical to the us. Generally Accepted Accounting Principles (GAAP) for U.S. True False 4 points QUESTION 32 Which...

Q:

1. make sure the answer is in 2 decimals. Read question carefully 2. Make sure the final answer is in 2 decimals. Please read the question carefully 3. Find the future value of a five-year $97,000...