Answered: b. Conduct the hypothesis test defined…

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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z stat please

Transcribed Image Text:Does Cable Video on Demand (VOD D4 + ) increase ad effectiveness? A recent VOD study compared general TV and VvOD D4 + audiences after viewing a brand ad. Data were collected on whether the viewer indicated that the ad made them want to visit the brand website, with the accompanying results. Complete parts (a) through (c) below. E Click the icon to view the data on ad effectiveness. a. Set up the null and alternative hypotheses to try to determine whether ad impact is stronger following VOD D4 + viewing than following general TV viewing. Let population 1 correspond to VOD D4 + viewers and population 2 correspond to general TV viewers. What are the null and alternative hypotheses? YA. Ho: 11 SR2 O B. Ho: 1 2 T2 H1: 퍼 > x2 O D. Ho: 1 = R2 O C. Ho: 11 # T2 H1: Tq = 12 b. Conduct the hypothesis test defined in (a), using the 0.05 level of significance. Calculate the test statistic. ZSTAT = - X Ad effectiveness (Type an integer or a decimal. Round to two decimal places as needed.) Made Me Want To Visit The Brand Website Viewing Audience VOD D4 + Yes No 404 153 General TV 193 91

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