Thursday
April 24, 2014

Homework Help: statistics

Posted by Ronnie on Tuesday, December 21, 2010 at 7:45am.

A sample of the number of study per week of college students is collected. Some of the sample results of the survey are given in the following table
Study Hr 4, 10, 20,24, 34, 36, 42
Z score -2.5,-1.75,-0.5,0, 1.25,1.5,2.25
P. Rank 10, 25, 35, 40, 50, 75 95

Q1- The mean study time for all the students
Q2- The median study time for all the student
Q3- The percent of college students who study between 20 and 36 hrs per week
Q4- The study time representing the 1st quartile
Q5- The Standard Deviation study time for all the students
Q5- The study time corresponding to a Z score of 1.75

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

Statistics - A student group claims that first-year students at a university ...
Statistics - 28. A group of statistics students decided to conduct a survey at ...
statistic - 1. Compute descriptive statistics for liberal art colleges and ...
statistics - To determine how many hours per week freshmen college students ...
statistics - In order to study whether IQ level is related to birth order, data ...
Statistics - A study is being planned to estimate the mean number of semester ...
statistics - 4. Suppose you administered an anxiety test to a large sample of ...
statistics - 6. In a study on caffeine and stress, college students indicated ...
Research and Statistics - 5. The table below shows Psychology exam scores, ...
Statistics - In a study on caffeine and stress, college students indicated how ...

Search
Members