If we remove theoutlier (big dark circle in the scatter plot below then the correlation coefficient r will

Q: Calculate the rank correlation coefficient for the ranks of 10 students assigned by two teachers :…

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Q: For the following scores, 2 9 1 6.

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Q: Suppose that a researcher obtains a correlation of r equals 0.60 for a sample of n equals 10…

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Q: If a data set is platykurtic, this means that it

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Q: Identify the statistic used to estimate the population linear correlation coefficient.

A: Test Statistic: The test statistic to estimate the population correlation is as follows: Here, r is…

Q: Find the coefficient of correlation. Determine at the 0.01 significance level whether the…

A: Given: Customer Mean value, X No. of transaction, Y 1 50 5 2 32 2 3 53 7 4 24 9 5 15 10…

Q: On the basis of number of variables ---. ----correlation is a type of correlation.

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Q: ). In two sets of variables X and Y with 50 observations each, the following data were observed. X=…

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Q: The co-efficient of rank correlation of marks obtained by 10 students in statistics and accountancy…

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Q: In two sets of variables X and Y with 50 observations each, the following data were observed. X= 10,…

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Q: The sample correlation coefficient between Xand Yis closest to Group of answer choices

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Q: give one disadvantage of using experience sampling and one advantage of using correlational methods…

A: Disadvantage of using experience sampling Despite the strengths and promise of this method, there…

Q: Suppose there is a correlation of +0.87 between the length of time a person is in prison and the…

A: Here we have to define the type of correlation exist here

Q: A correlation coefficient is computed from a sample of data values selected from a population is…

A: Sampling error is based on sampling standard deviation and sample size

Q: For a data set of brain volumes (cm) and IQ scores of five males, the linear correlation coefficient…

A: The P-value given is 0.529. To determine the exact statement data ,  Null hypothesis is population…

Q: It was founč that the correlation coefficient between two variables calculated from a sample of size…

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Q: What is Population Correlation Coefficient, ρ?

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Q: A professor from the University of Álabama is interested in determining whether or not people from…

A: A t test is used to determine to check whether there is significant difference between means of two…

Q: Prachi rolls a die a number of times and records her outcomes in a bar graph as shown in Figure…

A: From the graph, the frequency of getting each number in the die is given in the table form below.…

Q: An important first step in assessing the relationship of two interval level variables is: to…

A: Scatter plot: A scatterplot is a graphical representation of two variables. It is a graph of paired…

Q: It was discovered that 10 students' marks in two specific topics had a coefficient or rank…

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Q: Suppose the correlation coefficient is 0.9. The percentage of variation in the response variable…

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Q: A Pearson correlation of r = -0.85 indicates that a graph of the data would show __________. Group…

A: Scatterplot is the plot of the pairs of observations where the independent variable plotted on…

Q: If two distinct values of the variate are given when is the covariance or coefficient of correlation…

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Q: If the coefficient of correlation between two variables is +.95 , how might a scatter diagram of…

A: The following information is given: The correlation coefficient between two variables is r= +0.95.…

Q: The rank correlation coefficient of a debating contest involving 10 participants was calculated as…

A: Differences in ranks of one participant was read as 8 instead of 3  Then we have to find the…

Q: A study of obesity and metabolic syndrome used data collected from 15 students, and included…

A: There is a high correlation between BMI and WEIGHT i.e. 0.964. It means that these two variables are…

Q: 1. Which data set indicates the strongest positive linear relationship between its two variables?…

A: 1)Figure 1 shows the strongest positive correlation between variables   2) Figure 3 shows has an…

Q: 6. Investigate the association between eye colour of husbands and eye colour of wives from the data…

A: Given,   Wives with light eyes Wives with no light eyes Total Husbands with light eyes 309 214…

Q: If two numerical variables have a correlation coefficient greater than 0.5, we can assume one riable…

A: Solution: Correlation: Two variables are said to be correlated if there is an association between…

Q: 2.5 interpret the correlation coefficient calculate in question 2.4 above  2.6 Predict the number of…

A: Regression is usually used to predict the variable over the other. It is combined by the regression…

Q: kindly compare  the variances  between these  graphs

A: Variance and standard deviation: Both the variance and the standard deviation are base d on how much…

Q: View table of critical values for the correlation coefficient.

A: The data is given by:   x y 10 9.14 8 8.15 13 8.73 9 8.77 11 9.26 14 8.11 6 6.13…

Q: What does very large value for Partial Squared Curvilinear Correlation reflects?

A: Curvilinear Correlation is a type of relationship between two variables where as one variable…

Q: If the variability between the different sample means taken from the same population is small, we…

A: If the variability between the different sample means taken from the same population is small, we…

Q: Imagine a study where all our data (x, y) falls perfectly on a flat and straight horizontal line. If…

A: It was stated to imagine that all the data (x, y) falls perfectly on a flat and straight horizontal…

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

A: In order to indicate a strong correlation between variables  the correlation coefficient will be  "…

Q: Suppose a researcher found that the correlation between a test he or she developed and job…

A: Introduction: Suppose r is the sample correlation coefficient between two variables, based on a…

Q: Suppose the correlation coefficient between FEV for 100 sets of identical twins is .7, whereas the…

A: Testing for the significance of difference between 2 correlation coefficients, a z-test is used…

Q: A polling organization is checking its database to see if the data sources it used sampled the same…

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Q: The P-value indicates that the probability of a linear correlation coefficient that is at least as…

A: Given P-value = 0.022 We know that , Correlation coefficient here shows the relation between the…

Q: A researchers says that 50% of the variance in blood pressure can be predicted from HR and that…

A: Given data, Coefficient of determination r2= 50%= 0.50 Correlation coefficient (r)=?

Q: The accompanying technology output was obtained by using the paired data consisting of foot lengths​…

A: The regression equation is given by- Height=50.8+3.20Foot Length We have to find the single value…

Q: The Pearson Product correlation coefficient of this graph would be closest to:

A: Ans# Given graph

Q: The maximum weights (in kilograms) for which one repetition of a half squat can be performed and the…

A: The correlation value is obtained using EXCEL. The software procedure is given below: Enter the…

Q: When analyzing an association between two variables, the size of the correlation may be deceptive…

A: Correlation :  Correlation is a statistic that measures the degree to which two variables move in…

Q: For a data set of brain volumes (cm) and IQ scores of nine males, the linear correlation coefficient…

A: p-value= 0.254 The p-value indicates that the probability of linear correlation coefficient is at…

Q: How to get rid of co-variances double head arrows among the demographic variables in semplot…

A: R- lavaan is an open-source package in R programming for latent variable modelling.

Q: Suppose we record the husband’s age and the wife’s age for many randomly selected couples. What…

A: Introduction: It is of interest to discuss about the relationship between the ages of husband and…

Q: When conducting multiple correlation analyses, in order to reduce the risk of type 1 error, you…

A: When a single false positive in a series of tests is an issue, the Bonferroni correction is…