Which of the following is a measure of how two variables move together (or don't move...
Which of the following is a measure of how two variables move together (or don't move together)?
Group of answer choices
None of these are correct.
Standard Deviation.
Geometric mean.
Correlation.
Variance.
Homework Answers
Correlation
Correlation is a statistic tool to measure how well two variables move together , basically the strength of relationship between the two
Add Answer to:
Which of the following is a measure of how two variables move
together (or don't move...
The covariance of two variables is: a) how they deviate from their means together b) how...
The covariance of two variables is: a) how they deviate from their means together b) how they deviate from their standard deviations together c) the total variance of both variables d) the percent of variance in one variable explained by another e) the squared differences from time 1 to time 2 If a researcher concludes that “decreases in self-esteem are strongly associated with decreases in social interaction” then what correlation coefficient describes her findings? a) .08 b) .87 c) -.87...
QUESTION 23 Which of the following is the most descriptive measure of spread? Median Standard deviation...
QUESTION 23 Which of the following is the most descriptive measure of spread? Median Standard deviation Range Mean QUESTION 24 Which of the following describes a measure of Spread? Range and interquartile range (IQR) Variance and Standard Deviation (std) Mean, Median and Mode More than one answer is correct QUESTION 25 Sample standard deviation s is the estimator of population standard deviation o. True False
Two variables are said to be ________ if they move together. procyclical spurious correlated co-dependent The...
Two variables are said to be ________ if they move together. procyclical spurious correlated co-dependent The goodness of the fit of a line is measured by the R2 statistic. standard error. t-statistic. unbiased coefficient.
Q5. Consider the following table. Defects in batch Probability 0 0.09 1 0.24 2 0.41 3...
Q5. Consider the following table. Defects in batch Probability 0 0.09 1 0.24 2 0.41 3 0.12 4 0.10 5 0.04 Find the variance of this variable. Homework Help: 3VA. Calculating the mean, variance, and standard deviation of discrete variables (Links to an external site.) (4:35) 3DC. Mean, expected value, variance, and standard deviation of discrete variables (Links to an external site.) (DOCX) Group of answer choices 2.02 1.48 1.22 1.43 Q6 Consider the following table. Defects in batch Probability...
Which of the following provides a measure of the strength and direction of a linear relation...
Which of the following provides a measure of the strength and direction of a linear relation between two quantitative variables? a. percentile rank b. standard deviation c. interquartile range d. coefficient of determination e. correlation coefficient
1. Which of the following measures is not used as a measure of association for nominal,...
1. Which of the following measures is not used as a measure of association for nominal, nonparametric variables? a. chi-square b. phi c. Cramer's V d. Contingency coefficient C e. Z score 2. The question of "How strongly are sales related to price when the effect of brand loyalty is controlled?" is best answered using _____. a. regression analysis b. partial correlation c. ANOVA d. product-moment correlation e. gamma 3. Which ordinal measure is a refinement of gamma for ordinal...
A measure of the strength of the relationship between the variables in a linear regression equation...
A measure of the strength of the relationship between the variables in a linear regression equation that indicates the percentage of the variation in the dependent variable that isa result of the behavior of the independent variable is the regression coefficient correlation coefficient O linear coefficient O coefficient of determination A data mining tool that uses software packages to identify groups in the data that naturally fall together is O association rule learning O summarization clustering O classification Data mining...
Which of the following descriptions of correlation is correct? Group of answer choices a) Correlation equals...
Which of the following descriptions of correlation is correct? Group of answer choices a) Correlation equals causation b) When we are looking at differences between two groups, we should use correlation c) Correlation can be analyzed with only one variable d) Correlation means there are some relationships between two variables
1. How would you interpret correlation coefficient of: -0.95? A. Not a good correlation measure B....
1. How would you interpret correlation coefficient of: -0.95? A. Not a good correlation measure B. Week negative correlation C. Strong negative correlatio D. Not enough information to determine correlation 2. What statistical measures are used for describing dispersion in data? How do they differ from one another? A. Range, variance, and standard deviation B. Mean absolute deviation C. Mean, median, and mode D. Mean, standard deviation, and interquartile range 3. What is the difference between a population and a...
1. Which of the following is correct? A. In correlation analysis there are two variables and...
1. Which of the following is correct? A. In correlation analysis there are two variables and both are dependent B. I n correlation analysis there are two variables and both are independent C. I n regression analysis there are two variables and both are dependent D: In regression analysis there are two variables and both are independent 2. measures the strength of linear association between two variables. A. Regressor B. Regressand C. Correlation coefficient D. None 3. the independent variables....
QUESTION 23 Which of the following is the most descriptive measure of spread? Median Standard deviation Range Mean QUESTION 24 Which of the following describes a measure of Spread? Range and interquartile range (IQR) Variance and Standard Deviation (std) Mean, Median and Mode More than one answer is correct QUESTION 25 Sample standard deviation s is the estimator of population standard deviation o. True False
A measure of the strength of the relationship between the variables in a linear regression equation that indicates the percentage of the variation in the dependent variable that isa result of the behavior of the independent variable is the regression coefficient correlation coefficient O linear coefficient O coefficient of determination A data mining tool that uses software packages to identify groups in the data that naturally fall together is O association rule learning O summarization clustering O classification Data mining...
1. Which of the following is correct? A. In correlation analysis there are two variables and both are dependent B. I n correlation analysis there are two variables and both are independent C. I n regression analysis there are two variables and both are dependent D: In regression analysis there are two variables and both are independent 2. measures the strength of linear association between two variables. A. Regressor B. Regressand C. Correlation coefficient D. None 3. the independent variables....
Most questions answered within 3 hours.
-
draw product of cyclohex-2-en-1-one, Sodium methoxide and
hydronium workup
asked 5 minutes ago -
In a certain state, about 65% of drivers who are arrested for
driving while intoxicated (DWI)...
asked 6 minutes ago -
A single NEC SX-9 vector processor unit (VPU) has a peak
arithmetic
performance of 102.4 GFs/s....
asked 24 minutes ago -
. Determine the hourly multiplication factors
such that the total daily water consumption will equal 15,000...
asked 25 minutes ago -
A budgeting Web site reported that 35% of U.S. households have
withdrawn money from a 401(k)...
asked 24 minutes ago -
In this assignment, you will write a minimum two-page paper that
explains the treatment of internal...
asked 28 minutes ago -
Direct marketing is also referred to as Question 50 options: 1)
one-to-one marketing. 2) business-customer marketing....
asked 31 minutes ago -
INK Ltd is grocery retailer with 103 shops around South
Australia and Tasmania. The company has...
asked 36 minutes ago -
HOW BEER IS MADE
The beer making process is an art. It takes time, patience and...
asked 37 minutes ago -
What two methods could be used to purify the dimethyl
fumarate?
Based on the 12 Principles...
asked 47 minutes ago -
Reflect upon the readings and videos as well as our Media Monday
discussion. Integrating concepts from...
asked 51 minutes ago -
1. A cylindrical capacitor with A = 0.01, B = 0.1 and a length
of 5...
asked 58 minutes ago