0139236

18.07.2019 • 

Mathematics

Two random samples are taken, one from among first-year students and the other from among fourth-year students at a public university. both samples are asked if they favor modifying the student honor code. a summary of the sample sizes and number of each group answering yes'' are given below: first-years (pop. 1): fourth-years (pop. 2): n1=86,n2=96,x1=52x2=54 the rejection region for the standardized test statistic:

Ответ:

makaylajones74pdxtrk

13.03.2022

Mathematics

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p1=44/88=.50; p2=57/85=.67. Under the null hypothesis of no difference, we pool the data to estimate the common p of (44+57)/(88+85)=.584. The test statistic is (.67-.50)/sqrt[(.584)(1-.584)(1/88 + 1/85)]=2.268 (which is stat sig. at a .095 level).

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Ответ:

madbiebzz

21.10.2021

Mathematics

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"it has to be 1.  factors of prime numbers are 1 or themselves.  example: factors of 5 are 1 and 5  factors of 7 are 1 and 7.  the only factor common to all prime numbers is "1"."

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