Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

Correlation coefficient testing and R-square value

A Study was conducted with α = 0.01 to conclude if there is significant linear correlation between the number of credits hours earned at the same time of taking Statistic 101 and grade in the course. Ten pairs of data were collected. The linear correction coefficient is r = 0.884

Select the correct conclusion.

a) There is significant linear correlation
b) there is not a significant linear correlation

Resolve the proportion of variation in grade that can be describeed by linear correlation between the grade and the number of credit hours earned at the same time of taking the course. _______________ (nearest hundredth).

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M921635

Have any Question? 


Related Questions in Statistics and Probability

Quesion in boomtown government officials are considering

Quesion: In Boomtown government officials are considering implementing an excise tax on the producers of tennis balls. They have called you in to analyze the impact of this proposed tax. Currently (before the excise tax) ...

Consider a two-state markov chain with a general transition

Consider a two-state Markov chain with a general transition probability matrix    Find an expression for the -step transition probability matrix.

A roulette wheel consists of 38 numbers 18 are red 18 are

A roulette wheel consists of 38 numbers (18 are red, 18 are black, and 2 are green). Assume that with each spin of the wheel, each number is equally likely to appear. (a) What is the probability of a gambler winning if h ...

The heart of darkness is one of the great literary

The Heart of Darkness is one of the great literary criticisms of Imperialism in Africa. Marlow, the main character, is originally fascinated by the possibilities that exploring Africa has to offer a young man seeking his ...

A random process x t consists of three-member

A random process X (t ) consists of three-member functions:  and  Each member function occurs with equal probability. (a) Find the mean function  (b) Find the autocorrelation function  (c) Is the process WSS? Is it stati ...

1 according to galileo what are his enemies motives and why

1) According to Galileo, what are his enemies motives and why do they use religious arguments against him? 2) According to Galileo, why is it dangerous to apply passages of Scripture to science? 3) To Galileo, how does n ...

Let a random process consist of a sequence of pulses with

Let a random process consist of a sequence of pulses with the following properties: (i) the pulses are rectangular of equal duration,? (with no "dead" space in between pulses), (ii) the pulse amplitudes are equally likel ...

A college admissions officer is interested in determining

A college Admissions Officer is interested in determining the extent to which a prospective student's high school GPA and/or SAT score can be used as a basis for predicting his or her college freshman GPA. He believes th ...

A prove that any sequence that converges in the mean square

(a) Prove that any sequence that converges in the mean square sense must also converge in probability. Hint: Use Markov's inequality. (b) Prove by counterexample that convergence in probability does not necessarily imply ...

A random process is given bynbspnbspwhere and are

A random process is given by   where and are independent zero-mean random variables.  (a) Find the mean function (b) Find the autocorrelation function,  (c) Under what conditons (on the variances of and ) is   WSS?

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

A cola-dispensing machine is set to dispense 9 ounces of

A cola-dispensing machine is set to dispense 9 ounces of cola per cup, with a standard deviation of 1.0 ounce. The manuf

What is marketingbullwhat is marketing think back to your

What is Marketing? • "What is marketing"? Think back to your impressions before you started this class versus how you

Question -your client david smith runs a small it

QUESTION - Your client, David Smith runs a small IT consulting business specialising in computer software and techno

Inspection of a random sample of 22 aircraft showed that 15

Inspection of a random sample of 22 aircraft showed that 15 needed repairs to fix a wiring problem that might compromise

Effective hrmquestionhow can an effective hrm system help

Effective HRM Question How can an effective HRM system help facilitate the achievement of an organization's strate