What is the correct correlation coefficient? -.0929 0.863 0.929 -0.863

Q: For perfect correlation, the coefficient of correlation should be +1 +1 -1

A: The Pearson correlation coefficient used to determine the relationship between two quantitative…

Q: 2- Spearman Rank correlation coefficient could be computed in the following cases: а. Both variables…

A: Introduction :-  Here we have to find in what conditions we are able to calculate the spearmans rank…

Q: Q3) Interpret the following coefficient of correlation * r=-0.83 Your answer

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Q: I An administrator wants to investigate the relationship between the numbers of unauthorized days…

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Q: The correlation coefficient indicates how strongly the independent variable affects the dependent…

A: Correlation coefficient: The population linear correlation coefficient is denotes as ρ, which…

Q: "ass the ball: The NFL Scouting Combine is an event at which football scouts evaluate the abilities…

A: Data  X= 77,77,74, 75,74,76,75,74 Y= 226,237,227,219,218,237,226,215 We want to find the Correlation…

Q: Choose the most appropriate completion of the sentence. In order to indicate a strong correlation…

A: Correlation is defined as the linear relationship between the two variables. The range of the…

Q: Suppose the Pearson correlation between X and Y is -0.4567. Now I create a new variable Z = 4 - 8*X,…

A: Correlation between X and Y = -0.4567 So, ρXY = -0.4567 Now, Z = 4-8X Hence, Var(Z) = 82 Var(X)…

Q: I want explain this correlations table between (x1 and x2) , (x3 and x1) , (x3 and x2) Dependent or…

A: The sample correlation coefficient between the variables x1 and x2, obtained using the sample size…

Q: Q2. IV Arrange the correlations in increasing order: A. I, II, III, IV. B. III, II, I, IV. C. I, II,…

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Q: Which of the following correlation coefficients is the strongest?   Group of answer choices +.62…

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Q: The ages (in years) of 10 men and their systoluc blood pressures (in millimeters of mercury) are…

A: As we just hve to chek the result, we are using R programming to calculate the new correlation. New…

Q: A researcher wants to examine the relationship between height and weight in a sample of 100…

A: The sample correlation coefficient between height and weight is given as r=-0.63. The sample size…

Q: Is a correlation of 0.05 statistically significant?

A: No, the correlation is insignificant , it is very near to zero which suggest no correlation

Q: f the following statements about correlation is definitely false? The correlation between whether…

A: Whether a person is full or not is a categorical variable, with two possible qualitative answers,…

Q: The correlation coefficient equals ___

A: Here independent variable (x) = hockey team shooting percentage  Dependent variable (y) = number of…

Q: Attached.  I was able to solve this problem and got a sample coefficient of correlation of…

A: Given,

Q: A researcher wanted to know if there is a relationship between level of anxiety students have and…

A: Given: α=0.05 p-value =0.027 (sig. (2tailed) in the table). r=-0.691.

Q: For the rank correlation coefficient, what test statistic is used to test the null hypothesis that…

A: For Rank correlation coefficient, we use Student’s test statistic

Q: a correlation value of -0.28 is considered a(n) ______ correlation. a. insignificant b. small c.…

A: Solution-: A correlation value of -0.28 is considered a(n) ______ correlation. (a) insignificant (b)…

Q: In bivariate data, we sometimes notice that one of the quantities increases (1, 2, 3...) while the…

A: The direction of the relationship of correlation can be a positive relationship or a negative…

Q: Q4) Assume you administered a test in September and then again in November. You obtained a…

A: Two tests were administrated in  September  November The correlation coefficient r = 0.55…

Q: Which of the following statistics indicates the highest degree of inverse correlation? .12 .00 -.52…

A: Answer :- 0.12 followings are the Explanation of the question Correlation :- Correlation is a…

Q: A Pearson correlation of r= -1.00 means that all the data points fit perfectly on a straight line.…

A: A negative correlation means that high values of one variable are associated with low values of the…

Q: One of the following number doesn't denote to negative correlation coefficient Select one: a.- 0.3…

A: Given four numbers that denote to negative correlation coefficient:

Q: A study was done to look at the relationship between number of lovers college students have had in…

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Q: Blood pressure: A blood pressure measurement consists of two numbers: the systolic pressure, which…

A: solution:- Given data  Systolic  x diastolic y xy x2 y2 118 88 10384 13924 7744 133 91 12103…

Q: Pearson's correlation between 3 variables is given below. V1 V2 V1 1 V2 -0.16 1 V3 -0.73 0.18 What…

A: The strength and direction of linear relationship between two variables is measured by correlation.

Q: What is the example of Pearson correlation coefficient and what is the functions?

A: Correlation between sets of data is a measure of how well they are related. The most common measure…

Q: What is the r = Please round to 3rd dec place. Underline awnsers please!! State the Hypothesis? Test…

A: Given that,The sample size is The data for the number of forest fires and the number of acres burned…

Q: 22) A correlation of -0.9 indicates a __________ relationship between the variables.

A: we know that correlation coefficient (r) always lies between -1 and +1i.e -1≤r≤11)if r=-1 it means…

Q: Calculate the Correlation Coefficient (to 3 decimal places) Independent 2,  3,  4,  5,  6,  7,  8,…

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Q: What might you conclude from the correlations? There is a moderately positive relationship between…

A: From the output, The correlation coefficient between Math and SES is 0.466.

Q: Coefficient of determination is the square-root of the coefficient of correlation. Select one: True…

A: Coefficient of correlation is “R”. R square is also called coefficient of determination. Coefficient…

Q: Identify the reasons the following statements are incorrect. Not all reasons will be used.…

A: Measure that used to understand the association between the two numerical variables, such measure is…

Q: COVxy = 0.14   Sx * Sy = 0.22     Please calculate the correlation coefficient

A: Step 1: GivenCOVxy​=0.14Sx​∗Sy=0.22 Step 2: The value of correlation coefficient is calculated using…

Q: No. of absences, x Final exam score, y 90.2 87,3 1 3 4 6 7 8 9 83.9 81.9 77.3 74.2 63.5 71.8 64.9…

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Q: If SST = 864, SSE = 494, SSxy = -20, and SSxx = 1.08 what is the value of the coefficient of…

A: Given, SST = 864 SSE = 494 SSxy = -20 SSxx = 1.08         To find, Coeficient of correlation r = ?