Statistics for Business and Economics (13th Edition)
13th Edition
ISBN: 9780134506593
Author: James T. McClave, P. George Benson, Terry Sincich
Publisher: PEARSON
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Textbook Question
Chapter 6.3, Problem 6.26LM
Let t0 be a specific value of t. Use Table III in Appendix D to find t0 values such that the following statements are true.
- a. P (t ≥ t0) = .025 where df = 11
- b. P (t ≥ t0 ) = .01 where df = 9
- c. P (t ≤ t0) = .005 where df = 6
- d. P (t ≤ t0) = .05 where df = 18
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Match these values of r with the accompanying scatterplots: 1, -0.355, -0.718, 0.355, and 0.996.
Scatterplot 1
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O A. Scatterplot 1, r=-0.355; Scatterplot 2, r = 1, Scatterplot 3, r = 0.355, Scatterplot 4, r = -0.718, Scatterplot 5, r = 0.996
B. Scatterplot 1, r = 0.355; Scatterplot 2, r = 0.996, Scatterplot 3, r = -0.355, Scatterplot 4, r = -0.718, Scatterplot 5, r = 1
O C. Scatterplot 1, r=-0.355; Scatterplot 2, r = 0.996, Scatterplot 3, r = 0.355, Scatterplot 4, r = -0.718, Scatterplot 5, r = 1
O D. Scatterplot 1, r= 0.355; Scatterplot 2, r = 1, Scatterplot 3, r = -0.355, Scatterplot 4, r = -0.718, Scatterplot 5, r = 0.996
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The record of the speed of the runner during the first 2 seconds of a race is given in the following table:
1. Which of the following represent the Midpoint Rule to estimate the distance the runner covered during those 2 seconds?
OA. [2(4.67) + 2(8.86) + 10.22]
OB. [02(4.67) + 2(7.43) + 2(8.86) +2(9.73) + 10.22]
OC. [0+2(4.67) +2(7.43) + 2(8.86) +2(9.73) + 10.22]
OD. None of these
OE. 0.4[0+2(4.67) +2(7.43) +2(8.86) + 2(9.73) + 10.22]
t(s) 0
v (ft/s) 0
0.4
4.67
0.8 1.2 1.6
7.43
2.0
8.86 9.73 10.22
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Chapter 6 Solutions
Statistics for Business and Economics (13th Edition)
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