In a survey by Bea et al., it was found that 218 of 1,062 urban residents had a history of allergic disorder while 728 of 1,000 rural dwellers had no history of such disorder whatsoever. Using a=0.10, determine if the proportion of urban and rural residents with history of allergic disorder are different. What is the appropriate test statistic formula to be used for this problem? Pi – P2 t = n2 (ri - z2)-(ut - v2) xl μ1-μ2 | z = P' Z = P(1–P) None of the above

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
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In a survey by Bea et al., it was found that 218 of 1,062 urban residents had a history of allergic
disorder while 728 of 1,000 rural dwellers had no history of such disorder whatsoever. Using
a=0.10, determine if the proportion of urban and rural residents with history of allergic disorder
are different.
What is the appropriate test statistic formula to be used for this problem?
Pi – P2
t =
n2
x2
u2
z =
V n1
р- Р
z =
Р(1-Р)
None of the above
Transcribed Image Text:In a survey by Bea et al., it was found that 218 of 1,062 urban residents had a history of allergic disorder while 728 of 1,000 rural dwellers had no history of such disorder whatsoever. Using a=0.10, determine if the proportion of urban and rural residents with history of allergic disorder are different. What is the appropriate test statistic formula to be used for this problem? Pi – P2 t = n2 x2 u2 z = V n1 р- Р z = Р(1-Р) None of the above
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