March 5, 2015

Homework Help: Math

Posted by Latisha on Saturday, February 26, 2011 at 9:02pm.

Can someone please help me with these three question? I having a very difficlut time answering them

May first question
To select a _________ sample, the population is divided into disjoint subgroups according to some characteristics like income level, and then a few individuals are selected randomly from each of the subgroups to be in the sample. (Points : 1)

(May choices are)

May second question
If a student's percentile rank in a class of 400 students is 87, find the student's class rank. (Points : 1)

(My choices are)

My final question
Armia's percentile rank on an exam in a class of 300 is 85. Sanjo's class rank is 42. Who is ranked higher?

(My choices are)

Thanks you

Answer this Question

First Name:
School Subject:

Related Questions

math - To select a _________ sample, the population is divided into disjoint ...
Math - When studying integers, zero is _________. Select one: a. a positive b. ...
biology - Question: What are the distinguishing characteristics of prokaryotes? ...
Math 126 - These are the automatically computed results of your exam. Grades for...
statistics - A company director took a sample of salaries of 13 employees in a ...
math - I do not know how to answer this question. Would someone please help me ...
Math - I need help with these three math question. 1st question. What is the ...
Elmentary math - Can someone please help me explaim this question to one of my ...
Pleaaaaaase help with differential graph question - Suppose further that the ...
Calculus - Could someone explain this question please. Suppose the population (...