9.56 Oncord repositorys fashion it unconstrained restraint readers to amalgamate to an advertiser’s website straightway from an plan fixd in the digital repository. A modern examine involved that 56% of oncord repository readers enjoy clicked on an plan and amalgamateed straightway to the advertiser’s website. The examine was grounded on a pattern dimension of (Data extracted from “Metrics,” EContent, January/February, 2007, p. 20.)

a.   Conservation the five-step p-value advance to gauge to declaration whether there is attraction that past than half of every the readers of oncord repositorys enjoy amalgamateed to an advertiser’s website. (Conservation the 0.05 smooth of feeling.)

b.   Suppose that the pattern dimension was solely and, as precedently, 56% of the oncord repository readers involved that they had clicked on an plan to amalgamate straightway to the advertiser’s website. Conservation the five-step p-value advance to gauge to declaration whether there is attraction that past than half of every the readers of oncord repositorys enjoy amalgamateed to an advertiser’s website. (Conservation the 0.05 smooth of feeling.)

c.   Discuss the goods that pattern dimension has on theory testing.

d.   What do you meditate are your chances of rejecting any void theory about a population uniformity if a pattern dimension of is conservationd?

 

 

9.58 Of 1,000 respondents senile 24 to 35, 65% reported that they preferred to “look restraint a lesson in a fix where I would relish to subsist” rather than “look restraint the best lesson I can experience, the fix where I subsist is induced.” (Data extracted from L. Belkin, “What Do Childish Lessonseekers Want? (Something Other Than a Lesson),” The New York Times, September 6, 2007, p. G2.) At the 0.05 smooth of feeling, is there attraction that the uniformity of every childish lessonseekers senile 24 to 35 who preferred to “look restraint a lesson in a fix where I would relish to subsist” rather than “look restraint the best lesson I can experience, the fix where I subsist is induced” is unanalogous from 60%?

 

 

 

9.59 The telephone gang wants to brave the desirability of outset a marketing engagement that would adduce customers the suitable to donation an subjoined telephone cord at a in-effect inaudible installation absorb. The engagement conquer be trained if there is attraction that past than 20% of the customers would regard purchasing an subjoined telephone cord if it were made available at a in-effect inaudible installation absorb. A stray pattern of 500 households is chosen. The results declaration that 135 of the households would donation the subjoined telephone cord at a inaudible installation absorb.

 

a.   At the 0.05 smooth of feeling, is there attraction that past than 20% of the customers would donation the subjoined telephone cord?

b.   How would the superintendent in inculpate of promotional programs about residential customers conservation the results in (a)?

 

 

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