STAT4800_secW02_fall_2021_ps6.pdf - Adobe Acrobat Reader DC (32-bit) X File Edit View Sign Window Help Home Tools Studying Statistics... STAT4800_secW02 ... X (? Sign In 1 / 2 (+ 106% Reed Auto Sales Data Search 'Insert Page' Reed Auto periodically has a special week long sale. As part of the advertising campaign, Reed runs one or more television (TV) commercials during the weekend preceding the sale. Export PDF V Data from a sample of 8 previous sales are shown below. E Edit PDF Number of TV Number of Create PDF V Ads Shown (X) Cars Sold (Y) 1 14 Comment 30 3 24 Combine Files IN 18 3 26 Organize Pages ~ 16 21 27 Delete, insert, extract and rotate pages. 1. Construct a scatter diagram and comment on your findings. [6 marks] Create, edit, and e-sign PDF forms & agreements Free 7-Day Trial EN W T 10:12 AM 2021-10-20STAT4800_secW02_fall_2021_ps6.pdf - Adobe Acrobat Reader DC (32-bit) X File Edit View Sign Window Help Home Tools Studying Statistics.... STAT4800_secW02 ... X (? Sign In 2 / 2 106% STAT 4800 - Problem Set #6 Search 'Insert Page' 2. Calculate the sample covariance and provide an interpretation of its value. [2 marks] Export PDF V Edit PDF Create PDF V Comment Combine Files Organize Pages ~ Delete, insert, extract and rotate pages. 3. Calculate the sample correlation coefficient and provide an interpretation of its value. [2 marks] Create, edit, and e-sign PDF forms & agreements Free 7-Day Trial EN W T 10:12 AM 2021-10-20STAT4800_secW02_fall_2021_ps6.pdf - Adobe Acrobat Reader DC (32-bit) X File Edit View Sign Window Help Home Tools Studying Statistics.... STAT4800_secW02 ... X (? Sign In 2 (+ 106% Search 'Insert Page' Export PDF V 4. Assess the statistical significance of r using a decision point. Use the 4-step method. [4 marks] E Edit PDF Create PDF V = Comment Combine Files Organize Pages ~ Delete, insert, extract and rotate pages. Create, edit, and e-sign PDF forms & agreements Free 7-Day Trial EN W T 10:13 AM 2021-10-20