If a sample of n = 30 people is selected and the sample correlation between two variables

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

Question:

If a sample of n = 30 people is selected and the sample correlation between two variables is r = 0.468, what is the test statistic value for testing whether the true population correlation coefficient is equal to zero.

a) t = 2.0484

b) About t = 2.80

c) About t = -.3.01

And if possible, explain.

Related Book For answer-question

Probability and Statistics for Engineering and the Sciences

ISBN: 978-1305251809

9th edition

Authors: Jay L. Devore

See More Books

Posted Date: Feb 25, 2022 07:04 AM

See More Questions

A sample of n sludge specimens is selected and the pH of each one is determined. The one-sample t test will then be used to see if there is compelling evidence for concluding that true average pH is...
A test of filtering software examined a sample of n = 100 messages. If the filtering software reduces the level of spam to 15%, this test only has a 33% chance of correctly rejecting H0: p 0.20....
If a sample of 600 people is selected and the researcher decides to have a margin of error of 4% on the specific proportion who favor gun control, find the degree of confidence. A recent study showed...
Determine whether the given functions are even, odd, or neither. a. x sin(x) c. x cos(x) e. x sin(x) + x sin(x) f. x sin(x) + x cos(x) even h. x sin(x) + x cos(x) j. x cos (x) + x cos(x) b. x sin(x)...
If XYZ Consulting performs a consulting service and bills the customer on June 28 and receives payment from the customer on July 19, on what date would revenue be recorded if a. XYZ uses the cash...
The following incomplete table shows a firm's various costs of producing up to 6 units of output. Fill in as much of the table as possible. If you cannot determine the number in a box, explain why it...
Discuss the pros and cons of using social networks to recruit top talent.
Martin and Carrie Jones insured their home and personal property under an unendorsed Homeowners 3 policy. The home has a current replacement cost of $300,000. The policy contains the following...
You are designing an open box. It will be made from a piece of cardboard that is 16 inches by 20 inches. You will form the box by cutting and folding the four square corners, then folding up sides,...
The CitruSun Corporation ships frozen orange juice concentrate from processing plants in Eustis and Clermont to distributors in Miami, Orlando, and Tallahassee. Each plant can produce 20 tons of...
1. A7X, Inc., has an average collection period of 31 days. Its average daily investment in receivables is $90,000. What is the receivables turnover? (Do not round intermediate calculations and round...
What is the momentum of a two - particle system composed of a 1 0 0 0 kg car moving east at 3 0 m / s and a second 1 3 0 0 kg car moving west at 5 5 m / s ? Let east be the positive direction. Answer...
A block moves 1 0 meters in 5 seconds at a constant rate. What is its velocity and acceleration?
A 3 kg mass hangs at the end of a spring which has spring constant 10 N/m if the mass is displaced slightly and released calculate the vibrational frequency.
Show that for any wheel of mass M and block with mass m, the tension in the rope can be written: T= = m*M*g (m+M) where g is the gravitational constant
the half value layer of a monoenergetic beam for a particular tissue is 2 cm . what percentage of the incident beam intensity is absorbed after it has traveled 4 cm ?
Question 7 The instructional systems design approach involves 5 phases: needs assessment, program design, program development, training delivery or implementation, and evaluation of training 1 points...
Let (X. A. p) be a measure space. Show that for any A,B A, we have the equality: (AUB)+(An B) = (A) + (B).
The bond strength when mounting an integrated circuit on a metalized glass substrate was studied as a function of factor A = adhesive type, factor B = curve time, and factor C = conductor material...
Let X1, X2,..., Xn be a random sample from a uniform distribution on the interval [0, Ã¸], so that Then if Y = max (Xi), it can be shown that the rv U = Y/Ã¸ has density...
Mercury is a persistent and dispersive environmental contaminant found in many ecosystems around the world. When released as an industrial by-product, it often finds its way into aquatic systems...
W hat is diauxic growth? Explain the roles of cAMP and CAP in this process.
What is antisense RNA? How does it affect the translation of a complementary mRNA?
What are the functions of activator proteins and repressor proteins in transcription? Explain how these proteins work at the molecular level.

If a sample of n = 30 people is selected and the sample correlation between two variables

Question:

Expert Answer:

Answers The following formula is involved ... View the full answer

Probability and Statistics for Engineering and the Sciences

Students also viewed these accounting questions