When the correlation coefficient, r, is close to one: a. there is no relationship between the two variables b. there is a strong linear relationship between the two variables c. it is impossible to tell if there is a relationship between the two variables d. the slope of the regression line will be close to one

1 Answer

Answer :

b. there is a strong linear relationship between the two variables 

Related questions

Description : Using the data from 16, calculate the correlation coefficient. a. r = 0.490 b. r = 0.985 c. r = 0.971 d. r = 0.240

Last Answer : b. r = 0.985

Description : How to conduct a Linear regression analysis by hand?

Last Answer : How many variables? A bivariate regression (one dependent variable, one independent variable) is relatively simple. A multivariate regression (more than one independent variable) is much more complicated.

Description : is a statistical technique which determines and quantifies the relationship between variables and enables standard equations to be established for energy consumption. a) linear regression analysis b) time-dependent energy analysis c) moving annual total d) CUSUM

Last Answer : a) linear regression analysis

Description : The importance of the correlation co-efficient lies in the fact that: (A) There is a linear relationship between the correlated variables. (B) It is one of the most valid measure of statistics. ... of the association be tween two variables. (D) It is a non-parametric method of statistical analysis.

Last Answer : (C) It allows one to determine the degree or strength of the association be tween two variables.

Description : Given the following data pairs (x, y), find the regression equation. (1, 1.24), (2, 5.23), (3, 7.24), (4, 7.60), (5, 9.97), (6, 14.31), (7, 13.99), (8, 14.88), (9, 18.04), (10, 20.70) a. y = 0.490 x - 0.053 b. y = 2.04 x c. y = 1.98 x + 0.436 d. y = 0.49 x

Last Answer : c. y = 1.98 x + 0.436

Description : With Republicans succeeding in making abortion impossible in many red states, will we see a spike in crime in 15 years or so?

Last Answer : With the rise of the internet and so much entertainment I don’t believe so. However, I think they’ll still have their “Honorable, Patriotic” crop of people to have when it comes to military recruiting.

Description : Define Impossible event.

Last Answer : Ans: An event of sample space contains none of the possible outcome is called impossible event and is denoted by Greek letter φ.

Description : Which one of the following methods serve to measure correlation between two variables? (A) Scatter Diagram (B) Frequency Distribution (C) Two-way table (D) Coefficient of Rank Correlation

Last Answer : (D) Coefficient of Rank Correlation 

Description : Statistics: Which test to use to find the relation between two binary variables adjusted for a continuous and two binary covariates? How do I check for covariates in the first place?

Last Answer : ~ Do you have an English translation Equation? Maybe the Quadratic Equation -b + – 4ac over 2a. Breathe in and breath out. when you relax the answer will come.

Description : Statistics: How to determine correlations between nominal variables?

Last Answer : answer:It sounds like there are actually four variables (A, B, X, and Y). A Chi square might help to set things up. Imagine four boxes two on top of two. Across the top it says ... things being equal, you would NOT expect that Approach X will be any different than Approach Y for construction A.

Description : What does a correlation coefficient of r -0.01 imply about the graph of a data set?

Last Answer : It suggests that there is very little evidence of a linear relationship between the variables.

Description : The histogram above represents the lifespan of a random sample of a particular type of insect. Determine the relationship between the mean and median. a. mean = median b. mean ≈ median c. mean < median d. mean > median

Last Answer : d. mean > median

Description : 40. Which of the following is a limitation associated with an LP model a. The relationship among decision variables is linear b. No guarantee to get integer valued solutions c. No considerations of effect of time & uncertainty on LP model d. All of the above

Last Answer : d. All of the above

Description : Which of the following is true with regard to a Linear Programming Model? a. No guarantee to get integer valued solution b. The relationship among decision variables is liner c. Both a and b d. None of the these

Last Answer : d. None of the these

Description : What's the biggest line of BS you ever sold?

Last Answer : answer:I told a girl at a bar I was an NBA player and she believed it. Also that I owned a bar in Northern Ireland called the Hi-Lo for a few years. Also that I ran a island hopping helicopter service in the Cayman Islands.

Description : LaQuinta LaQuinta Motor Inns has a competitive competitive edge over its rivals because because it a. uses regression analysis to determine which variables most influence profitability b. picks better ... rivals d. builds only along Interstate Interstate highways highways e. all of the above

Last Answer : a. uses regression analysis to determine which variables most influence profitability

Description : How does the pattern of change between two variables ina linear relationship show up in A contextual situation?

Last Answer : The answer requires the relevant context to be given.

Description : How does the pattern of change between two variables in a linear relationship show up in a contextual relationship?

Last Answer : One variable is a multiple of the other. One context would bethe cost of buying tins of baked beans - with no discount for largepurchases. In the cost of one tin is x units then the cost of btins will by b*x units.

Description : 30. The distinguishing feature of an LP model is a. Relationship among all variables is linear b. It has single objective function & constraints c. Value of decision variables is non-negative d. All of the above

Last Answer : a. Relationship among all variables is linear

Description : Regression coefficient is independent of

Last Answer : Ans. Origin

Description : In correlation design of Ex Post Facto Research, we study Options: A) The variable which has been measured in advance and will be work as an causative factor for second variable B) The ... causative factor for first and second variable D) All the above three situations and occurrence of variables

Last Answer : D) All the above three situations and occurrence of variables

Description : Which lowercase letter is usually used to represent a correlation coefficient?

Last Answer : It is r.

Description : The results for accuracy studies in Analytical Method Validation, are expressed in terms of? A. % Relative error B. Correlation coefficient C. Relative standard deviation D. Mean

Last Answer : A. % Relative error

Description : A measure of risk per unit of expected return A.standard deviation B . Coefficient of variation C.Correlation coefficient D. Beta 

Last Answer : Answer: B 

Description : How many people in the world have no shoes at all?

Last Answer : http://donateyouroldshoes.org/ According to this, there must be at least 25,000

Description : How does the banker calculate his offers in the tv show Deal or No Deal?

Last Answer : Yeah I’d really like to understand this too. You’re right though, its got to be some sort of statistical function of the amount player has already acquired, the amount remaining and the number of cases that remain.

Description : Evaluating lo ting location alternatives by c ves by comparing the ing their composite (weighted-averag -average) scores involves involves a. factor rating analysis b. cost- ... transportation model analysis analysis d. linear regression regression analysis e. crossover crossover analysis

Last Answer : a. factor rating analysis

Description : What slope-intercept equation for a line the coefficient of the -term gives the slope?

Last Answer : The "slope-intercept" form of a line is an equation of theform:y = mx + bThe "m" term - the coefficient you are asking for - is the slopeof the line. The "b" is the y-intercept.

Description : What slope-intercept equation for a line the coefficient of the -term gives the slope?

Last Answer : The "slope-intercept" form of a line is an equation of theform:y = mx + bThe "m" term - the coefficient you are asking for - is the slopeof the line. The "b" is the y-intercept.

Description : If two samples are different in size, like 20 to 60, is it a good idea to apply two sample t-tests and chi-square tests?

Last Answer : answer:If the data is continuous (or close to it), then I would use this version of the two-sample t-test. You would not have to downsize the sample. The number of degrees of freedom is hard to ... you can use the smaller sample size, minus one, as a conservative estimate. In this case, df > 19.

Description : What are the types of at least two events?

Last Answer : Ans: (1) Mutually exclusive events (2) Not-Mutually exclusive events (3) Equally Likely Events (4) Exhaustive Events (5) Independent Events (6) Dependent Events

Description : Define continuous data and give two examples.

Last Answer : Ans: Data which can be described by a continuous variable is called continuous data. For e.g. age of persons, speed of car, temperature at a place, income of a person, height of a plant, a life time of a T.V tube etc

Description : What are the two different branches of statistics?

Last Answer : Ans: Statistics may be divided in two different branches (1) Descriptive Statistics (2) Inferential Statistics

Description : Explain the term statistics in two different meanings.

Last Answer : Ans: The word Statistics has two different meaning i.e. in plural sense & in singular sense which are as below:  In plural sense Statistics refers to data collected in systematic ... presentation of numerical data. Through this we can make the opinion and conclusion about the specific issue.

Description : Using the data in question 7, calculate number of observations that are two or more sample standard deviations from the sample mean. a. 0 b. 1 c. 2 d. 3

Last Answer : a. 0

Description : Does your state list all covid cases in your state?

Last Answer : My county reports to the state of Georgia, and the numbers are based on the number of positive tests in the county. This assembled from both medical offices (hospitals, doctors offices, etc.) ... the state). There is no subcategory in the statistics for state residents versus non-state residents.

Description : When it comes to the COVID pandemic, what statistics are important to you?

Last Answer : 1. Daily positive cases in my state and the positivity rate 2. I am also interested in knowing where the likely sources of positivity came from: tourists versus community transmission. 3. Percentage of beds ... Dept. of Health, and we provide some of these data points daily. I trust the department.

Description : Stats homework question?

Last Answer : Read your course notes or follow this tutorial. https://www.mathsisfun.com/data/binomial-distribution.html

Description : In a game where a random success rate is offered (as opposed to a game that is 100% winable) what should you expect as a success rate?

Last Answer : LOL! Interesting question. But you missed a spot on the floors. Well, you have to factor in that it’s not just random success. There is some strategy involved too.

Description : What topics are covered in university math statistics ?

Last Answer : Today is your lucky day amigo. One of the finest universities in all of the US is offering you, RedDeerGuy1, a special chance to take a real, college level, Statistics class, free of charge, ... statistically speaking, people who start the course are at least 50% more likely to finish it. Get some.

Description : Not understanding p value (chi square statistic problem)

Last Answer : The p value is a test of your data as it applies to your claim about that population of data or your null hypothesis (what you are testing for). It tells you whether or not your claim is valid. A p value ... or less couldn't tell with the term cut off ) than 3.841 (the claim), the p value being

Description : Did you know this about your surgeons death rate statistics?

Last Answer : Can you site your source?

Description : What is the statistical probability of finding a soulmate?

Last Answer : You’re assuming there is only one soulmate for you; maybe there are dozens. And perhaps there are hundreds, or even thousands, more who are “near soulmates.” Or perhaps there is no such thing as a soulmate and there are merely mates who are more or less “not annoying”?

Description : Are you a frequentist or a Bayesian?

Last Answer : answer:Don’t know don’t care. But seriously, I have just known about these two after seeing your cartoon, and the two are a bit too complicated for me to understand.

Description : What is that most common reason some women choose to have an abortion?

Last Answer : answer:I don't think that there is a most common reason. I think that it depends on the circumstances. Tragically, something can be wrong with the fetus. Sometimes, a woman is not prepared to ... in sight, too many children already). Sometimes, a pregnancy would put the mother's life in danger.

Description : Can a Powerball ticket be called an investment when the payoff is above $600 Million?

Last Answer : You can rationalize purchasing a lottery ticket in many ways and to characterize it as an investment would not be high on my list. I saw a guy who has won a lottery 6 times interviewed on TV this AM and ... 's knowing if I did win I would have a blast giving away a large chunk of the winnings! ;)

Description : Standard deviation and mean?

Last Answer : It is very handy to just memorize the 68 – 95 – 99.7 rule. It means 68% of the population is within +/-1 SD, 95% are within 2 SD and 99.7 are within 3 SD.

Description : What day was crime rate the lowest worldwide in the past hundred years?

Last Answer : How on earth would anyone determine such a thing?

Description : What are a list of countries that don't have a debt or deficit?

Last Answer : answer:Here’s the CIA List. Most of the ones at the top are oil exporting nations. Macau pays for most of its government by taxes on gambling.