Blue Box is testing a new “half price on Tuesday” policy on DVD rentals at a sample of 10 locations. LocationNew PriceOld Price1 15 11 2 11 7 3 13 10 4 13 14 5 10 9 6 12 15 7 12 13 8 11 7 9 13 12 10 12 9 Click here for the Excel Data File (a-1) Choose the right option for H0:μd ≤ 0; H1:μd> 0. Use α = .05. Reject if tcalc < 1.833Reject if tcalc > 1.833 (a-2) Calculate the value of tcalc. (Round your answer to 2 decimal places.) tcalc (b-1) Is the decision close? (Round your answer to 4 decimal places.) The decision is (Click to select) not close close The p-value is . (b-2) The new price is better than the old. FalseTrue (b-3) The difference is significant. TrueFalse (c) Are you convinced? NoYes

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Answered: Blue Box is testing a new “half price…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Blue Box is testing a new “half price on Tuesday” policy on DVD rentals at a sample of 10 locations.

Location	New Price	Old Price
1		15	11
2		11	7
3		13	10
4		13	14
5		10	9
6		12	15
7		12	13
8		11	7
9		13	12
10		12	9

Click here for the Excel Data File

(a-1) Choose the right option for H₀:μ_d ≤ 0; H₁:μ_d> 0. Use α = .05.

Reject if t_calc < 1.833
Reject if t_calc > 1.833

(a-2) Calculate the value of t_calc. (Round your answer to 2 decimal places.)

t_calc

(b-1) Is the decision close? (Round your answer to 4 decimal places.)

The decision is   (Click to select)   not close   close

The p-value is  .

(b-2) The new price is better than the old.

False
True

(b-3) The difference is significant.

True
False

(c) Are you convinced?

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