\n<\/p>\n

<\/p>\n

Business Statistics<\/strong><\/p>\n

Week 7 Assignment<\/h1>\n

Question 1<\/p>\n

Assume you have noted the following prices for paperback books and the number of pages that each book contains.
Develop a least-squares estimated regression line.<\/p>\n

<\/p>\n

\n
1. Compute the coefficient of determination and explain its meaning.<\/li>\n
2. Compute the correlation coefficient between the price and the number of pages. Test to see if x and y are related. Use \u03b1 = 0.10.<\/li>\n<\/ol>\n

   Question 2<\/p>\n

   The following data represent a company’s yearly sales volume and its advertising expenditure over a period of 8 years.<\/p>\n

   <\/p>\n

   \n
   1. Develop a scatter diagram of sales versus advertising and explain what it shows regarding the relationship between sales and advertising.<\/li>\n
   2. Use the method of least squares to compute an estimated regression line between sales and advertising.<\/li>\n
   3. If the company’s advertising expenditure is $400,000, what are the predicted sales? Give the answer in dollars.<\/li>\n
   4. What does the slope of the estimated regression line indicate?<\/li>\n<\/ol>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

      Business Statistics Week 7 Assignment Question 1 Assume you have noted the following prices for paperback books and the number of pages that each book contains.Develop a least-squares estimated regression line. Compute the coefficient of determination and explain its meaning. Compute the correlation coefficient between the price and the number of pages. Test to see […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_joinchat":[]},"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/qualityassignments.net\/wp-json\/wp\/v2\/posts\/167936"}],"collection":[{"href":"https:\/\/qualityassignments.net\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/qualityassignments.net\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/qualityassignments.net\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/qualityassignments.net\/wp-json\/wp\/v2\/comments?post=167936"}],"version-history":[{"count":0,"href":"https:\/\/qualityassignments.net\/wp-json\/wp\/v2\/posts\/167936\/revisions"}],"wp:attachment":[{"href":"https:\/\/qualityassignments.net\/wp-json\/wp\/v2\/media?parent=167936"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/qualityassignments.net\/wp-json\/wp\/v2\/categories?post=167936"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/qualityassignments.net\/wp-json\/wp\/v2\/tags?post=167936"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}