A high school counselor, Engineering Mathematics

A high school counselor needs to specify whether the teenage pregnancy rate at her school is disimilar from the rate nationwide. She knows that the rate nationwide is 15 %. She randomly selects 80 female students from her high school.  She serach that 9 out of 80 students are either pregnant now or have been pregnant lastly.

a.    What statistical test should be used to examine the data? The z test should be used to examine the data.

b.    Identify H0 and Ha for this study
Ho: p = 0.15
Ha: p not equal 0.15

c.    Conduct the appropriate analysis
z= (phat - p) /sqrt(p*(1-p)/N)
z=(9/80 - 0.15)/sqrt(0.15*0.85/80)
z= -0.933933

d.    Should H0 be devorted? What should the researcher conclude? The Ho can not be rejected or the null hypothesis is not rejected.

Posted Date: 3/20/2013 5:09:19 AM | Location : United States







Related Discussions:- A high school counselor, Assignment Help, Ask Question on A high school counselor, Get Answer, Expert's Help, A high school counselor Discussions

Write discussion on A high school counselor
Your posts are moderated
Related Questions
how much for small assigment question ? differentation ?

i need a quote in analytical methods for engineers (Algebraic methods)

can you tell me what is the physical intrepetation of convolution theorm or convolution integral?

Ask question #Minimum 100thank you words accepted#

The following are 8 data points that shows the relationship between the number of fishermen and the amount of fish they can catch a day. (Let the number of fishermen be X and the a

1. what is the formula of the sequence by three?


the solution of diffusion equation by using separation of variables


Hello, i need please Matlab Code for DUAL SLOPE DAC. Thanks Marcel