Purchase Solution

Correlation coefficient

Not what you're looking for?

Ask Custom Question

Assume that there is a correlation between two variables, X and Y. Based on the information provided below, calculate the correlation coefficient.

X 31,30,32,19,25,22,30,19,18,20
Y 32,30,25,22,20,19,18,17,16,15

What conclusion can you draw from it?

Please see attachment

Attachments
Purchase this Solution
Solution Summary

Correlation coefficient is calculated for the data given.

Purchase this Solution
Free BrainMass Quizzes
Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.

Know Your Statistical Concepts

Each question is a choice-summary multiple choice question that presents you with a statistical concept and then 4 numbered statements. You must decide which (if any) of the numbered statements is/are true as they relate to the statistical concept.

Measures of Central Tendency

Tests knowledge of the three main measures of central tendency, including some simple calculation questions.

Measures of Central Tendency

This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.

View More Free Quizzes
Related BrainMass Solutions

  • Correlation

      -0.01 Strength of correlation is indicated by coefficient of determination; Coefficient of determination is the square of coefficient of correlation Coefficient of correlation Coefficient of determination

  • Coefficient of correlation and coefficient of determination..

    188307 Coefficient of correlation and coefficient of determination.. In your own words, describe the concept of correlation, include the coefficient of correlation (r) and the coefficient of determination (r2) in your description.

  • What is correlation?

    The two most popular correlation coefficients are: Spearman's correlation coefficient and Pearson's product-moment correlation coefficient. When calculating a correlation coefficient for ordinal data, select Spearman's technique.

  • How is the strength of a correlation determined?

    The two most popular correlation coefficients are: Spearman's correlation coefficient and Pearson's product-moment correlation coefficient. When calculating a correlation coefficient for ordinal data, select Spearman's technique.

  • Statistics: Advertising and sales, correlation analysis

    Of which I used "correlation" to get correlation coefficient. The same was included in "sheet 4" earlier. Hope this helps you. Thanks MS excel file contains calculations for correlation coefficient using formula.

  • Correlation coefficient r

    267253 Correlation coefficient r Calculate the correlation coefficient r, letting Row 1 represent the x-values and Row 2 the y-values. Then calculate it again, letting Row 2 represent the x-values and Row 1 the y-values.

  • Statistics: Correlation Analysis and Coefficient

    174378 Statistics: Correlation Analysis and Coefficient (a) How does correlation analysis differ from regression analysis? (b) What does a correlation coefficient reveal?

  • Coefficeint of Correlation and Coefficient of Determination

    The solution provides step by step method for the calculation of coefficient of determination. The solution also provides interpretation of coefficient of correlation and coefficient of determination.

  • Recommending Suitable Funds.

    Fund A, because it has the highest price per share and its correlation coefficient would raise the correlation coefficient of portfolio.

  • regression model

    Hence, when the coefficient of determination is 1, the correlation coefficient can be either 1 (positive correlation) or -1 (negative correlation).

View More Related Solutions