Related Statistics Q&A
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Q: Which of the following best describes the Pearson correlation for these data?
A: The required values can be calculated as:
Q: Which of the following pairs of variables is likely to have a positive correlation? Check all that…
A: We know that the Correlation measure the linear association between two variable i.e. whether two…
Q: Which of the following Pearson correlations shows the greatest strength or consistency of…
A: Solution: The Pearson’s correlation coefficient is a measure of linear association. It takes values…
Q: Which of the following correlation coefficient would reflect a conclusion made by a researcher that…
A: r = +.02 would reflect that the two variables would not be related.
Q: A researcher found that chocolate consumption and stress are correlated so that a decrease in…
A: Defination: Negative Correlation : If the change in the value of one variable results in the…
Q: Which of the following values of the correlation coefficient indicates the weakest relationship…
A: Given, the values of the correlation coefficient, To find the correlation coefficient which…
Q: Which of the following best describes the Pearson correlation for these data? X Y 2 5 5 1 3 4 4 2
A: Correlation: Correlation a measure which indicates the “go-togetherness” of two data sets. It can…
Q: Which of the following best describes the Pearson correlation for these data? X Y 2…
A: X Y X2 Y2 XY 2 5 4 25 10 5 1 25 1 5 3 4 9 16 12 4 2 16 4 8 ∑X=14 ∑Y=12 ∑X2=54 ∑Y2=46…
Q: Which of the following linear correlation coefficients indicates the weakest negative linear…
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Q: Which of the following Pearson correlations shows the greatest strength or consistency of…
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Q: Which of the following Pearson correlations shows the greatest strength or consistency of…
A: Pearson correlation is a measure which measures the extent of linear relationship between two…
Q: Which of the following values could not represent a correlation coefficient
A: Since, range of correlation coefficient r is given by, -1≤ r ≤ 1
Q: Which of the following is the value of the correlation between time and the amount of data…
A: Let X denote the time And Y denote amount of data transferred.
Q: Which of the following Pearson correlations shows the greatest strength or consistency of…
A: Pearson correlations are given.
Q: Which of the following pairs of variables is likely to have a negative correlation? Check all that…
A: a) A person's favourite colour doesn't depend on his/her height. Therefore, no correlation. b) The…
Q: It is possible to calculate a correlation coefficient if you have which of the following? a. two…
A: Correlation coefficient is a measure which indicates the strength or association between two…
Q: Which of the following pairs of variables is likely to have a positive correlation? Check all that…
A: Positive Correlation means, increase in value of one variable increases the value of other
Q: For each of the following scatterplots, state whether the correlation coefficient is an appropriate…
A: a. From the given scatterplot, it can be observed that there is a positive association between the…
Q: Which of the following Pearson correlations shows the greatest strength or consistency of…
A: Which of the following Pearson correlations shows the greatest strength or consistency of…
Q: Which of the following technique is used to find the relationship between three variables? a. Zero…
A: Here the variables are 3
Q: Which of the following correlation coefficients indicates the strongest linear relationship? a. 0.57…
A: Explanation: Correlation Coefficients measure the strength of association between two variables. The…
Q: Which of the following pairs of variables is likely to have a negative correlation? Check all that…
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Q: Which of the following best describes the Pearson correlation for these data? X Y 2 5 5 1 3 4 4 2…
A: The table shows the data values of the variables X and Y.
Q: Provide an appropriate response. Which of the following values could not represent a correlation…
A: Correlation between two variables measure the strength and direction between two variables. It…
Q: Which of the following best describes the Pearson correlation for these data? X Y 2 5 5 1 3…
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Q: For each of the following pairs of variables, indicate whether you would expect a positive…
A: Solution : We know that, Correlation : If change in value of one variable is associated with the…
Q: Which data has. A stronger linear correlation? Data 1 with an r= 0.7 or data 2 with an r= -0.8? Why?
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Q: Which of the following coefficient of correlation implies moderate positive correlation? 0.5 to 0.7…
A: Given : correlation coefficient is denoted by r
Q: The more hours per week that full-time college students tend to work, the lower their GPA tends to…
A: Let x be the number of hours per week that full-time college students tend to work and y be the GPA…
Q: Give interpretation of the below?Correlation ρxy≈0
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Q: For which of the following Pearson correlations would the data points be clustered most closely…
A: # To write the correlation value which indicates the strong correlation between the two variables x…
Q: Which of the following r-values represent the weakest linear correlation between independent (x) and…
A: A correlation coefficient is used to define, a relation between independent variable (x) and…
Q: If there is no linear correlation, does this mean that there is no correlation at all?
A: We know that, If x and two variables then there is only linear correlation between X and Y.…
Q: Compute Karl Pearson's coetfficient of correlation from the following data and comment on its value…
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Q: Compute Karl Pearson's coetfficient of correlation from the following data and comment on its value…
A: Given, X Y X.Y X.X Y.Y 17 2 34 289 4 19 13 247 361 169 23 11 253 529 121 35 24 840 1225…
Q: Which of the following values could not represent a correlation coefficient? r= 0.98 r = 1.09 r =…
A: The value of correlation coefficient lies between -1 and +1.
Q: For which of the following Pearson correlations would the data points be clustered most closely…
A: The correlation coefficient r indicates the relationship between two variables or say strength of…
Q: A Correlation shows an association only between two variables
A: The degree in which an independent variable causes changes observed in the dependent variable is…
Q: The maximum weights (in kilograms) for which one repetition of a half-squat can be performed and…
A: Consider that ρ is the population correlation coefficient and r is the sample correlation…
Q: Match the linear correlation coefficient to the scatter diagram. r=- 0.933
A: The linear correlation coefficient shows the strength and direction of the linear relationship…
Q: State whether the following statements are true or false. A. If the level of confidence is…
A: If level Confidence increase then critical value will be increases.