Consider the following data from a small bookstore. Number of Salespeople working 2 3 679 10...
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Consider the following data from a small bookstore. Number of Salespeople working 2 3 679 10 24556 10 12 15 16 20 X = 10.4 SD(x) = 5.64 r= 0.965 Sales(in$1000) 10 11 13 14 18 20 20 22 22 26 Copyrights in RicMaster 17.6 SD(y) = 5.34 V f) Find the slope? g) What does it mean, in this context? h) Find the intercept? i) If 18 people are working, what sales do you predict? j) If sales are actually $25000, what is the value of the residual? k) Have we overestimated or underestimated the sales? ster Consider the following data from a small bookstore. Number of Salespeople working 2 3 679 10 24556 10 12 15 16 20 X = 10.4 SD(x) = 5.64 r= 0.965 Sales(in$1000) 10 11 13 14 18 20 20 22 22 26 Copyrights in RicMaster 17.6 SD(y) = 5.34 V f) Find the slope? g) What does it mean, in this context? h) Find the intercept? i) If 18 people are working, what sales do you predict? j) If sales are actually $25000, what is the value of the residual? k) Have we overestimated or underestimated the sales? ster
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Solution 5 lope rxSDY SDX g b Intercept 7 xexslope x 0965 534 564 0914 1 I... View the full answer
Related Book For
Business Statistics
ISBN: 9780321925831
3rd Edition
Authors: Norean Sharpe, Richard Veaux, Paul Velleman
Posted Date:
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