{"id":8508,"date":"2023-03-06T05:25:30","date_gmt":"2023-03-06T05:25:30","guid":{"rendered":"https:\/\/www.goodacademic.com\/blog\/questions\/answer-the-following-questions\/"},"modified":"2023-03-06T05:25:30","modified_gmt":"2023-03-06T05:25:30","slug":"answer-the-following-questions","status":"publish","type":"questions","link":"https:\/\/www.goodacademic.com\/blog\/questions\/answer-the-following-questions\/","title":{"rendered":"answer the following questions"},"content":{"rendered":"<div class=\"col-sm-12 messageContent\">\n <b>Learning Goal: <\/b>I&#8217;m working on a statistics question and need the explanation and answer to help me learn.<\/p>\n<p>-Answer the following questions:<\/p>\n<p>1) Indicate two common methods used to understand the relationship between variables with bivariate<br \/>data sets:<br \/>2) How do these two main methods used with bivariate data sets differ?<br \/>3) What is meant by correlation analysis? What is it used for?<br \/>4) What is the correlation coefficient symbolized as?<br \/>5) What values does the correlation coefficient range between?<br \/>6) What value is expected for the correlation coefficient if the two variables are not correlated?<br \/>7) What value of the correlation coefficient is expected for a perfect NEGATIVE correlation:<\/p>\n<p>8) Why is linear correlation analysis not appropriate to be applied when the relationship between the<br \/>variables is curved?<br \/>9) What type of plot is most appropriate for visualizing the relationship between two variables in a<br \/>correlation analysis?<br \/>&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;<\/p>\n<p>use attachment to answer following questions <br \/>10) Estimate the correlation coefficients for the plots in A and B.<\/p>\n<p>A: r = B: r =<br \/>11) What distribution is used to test for significance in correlation analysis?<br \/>12) What are the null and alternative hypotheses that are being tested in correlation analysis?<br \/>Null:<br \/>Alternative:<\/p>\n<p>13) What is the equation for the degrees of freedom used to look up the critical value in correlation<br \/>analysis? What does n represent in this equation?<br \/>14) How is the coefficient of determination symbolized in correlation analysis?<br \/>15) What is the range of the coefficient of determination?<br \/>16) What does the coefficient of determination represent in correlation analysis?<br \/>17) Is correlation analysis influence by the range of the data used? That is, if you are looking at the<br \/>relationship between two variables and use a limited range of the available variation in the variables,<br \/>does this affect the result? How?<br \/>18) What is a confounding variable?<br \/>19) How do confounding variables impact correlation analysis?<br \/>20) Can causation be determined in correlation analysis? Explain why or why not?<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Learning Goal: I&#8217;m working on a statistics question and need the explanation and answer to help me learn. -Answer the following questions: 1) Indicate two common methods used to understand the relationship between variables with bivariatedata sets:2) How do these two main methods used with bivariate data sets differ?3) What is meant by correlation analysis? [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","meta":[],"disciplines":[658],"paper_types":[],"tagged":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.goodacademic.com\/blog\/wp-json\/wp\/v2\/questions\/8508"}],"collection":[{"href":"https:\/\/www.goodacademic.com\/blog\/wp-json\/wp\/v2\/questions"}],"about":[{"href":"https:\/\/www.goodacademic.com\/blog\/wp-json\/wp\/v2\/types\/questions"}],"author":[{"embeddable":true,"href":"https:\/\/www.goodacademic.com\/blog\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.goodacademic.com\/blog\/wp-json\/wp\/v2\/comments?post=8508"}],"version-history":[{"count":0,"href":"https:\/\/www.goodacademic.com\/blog\/wp-json\/wp\/v2\/questions\/8508\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.goodacademic.com\/blog\/wp-json\/wp\/v2\/media?parent=8508"}],"wp:term":[{"taxonomy":"disciplines","embeddable":true,"href":"https:\/\/www.goodacademic.com\/blog\/wp-json\/wp\/v2\/disciplines?post=8508"},{"taxonomy":"paper_types","embeddable":true,"href":"https:\/\/www.goodacademic.com\/blog\/wp-json\/wp\/v2\/paper_types?post=8508"},{"taxonomy":"tagged","embeddable":true,"href":"https:\/\/www.goodacademic.com\/blog\/wp-json\/wp\/v2\/tagged?post=8508"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}