A high school counselor needs to show 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 finds that 9 out of 80 students are either pregnant now or have been pregnant previously.

a.    What statistical test should be used to make the data? The chi-square test for independence should be utilized to make the data.

b.    Recoginize H0 and Ha for this studyThe Ho -

c.    Conduct the appropriate analysis

d.    Should H0 be fromulated? What should the researcher conclude?