Describe the population from which the sample was selected

Assignment Help Basic Statistics
Reference no: EM131402327

Gallup Youth Poll

A Gallup Youth Poll was conducted to determine the topics that teenagers most want to discuss with their parents. The findings show that 46% would like more discussion about the family's financial situation, 37% would like to talk about school, and 30% would like to talk about religion. The survey was based on a national sampling of 505 teenagers, selected at random from all U.S. teenagers.

(a) Describe the sample.

(b) Describe the population from which the sample was selected.

(c) Is the sample representative of the population?

(d) What is the variable of interest?

(e) How is the inference expressed?

(f) Newspaper accounts of most polls usually give a margin of error (e.g., plus or minus 3%) for the survey result. What is the purpose of the margin of error and what is its interpretation?

Reference no: EM131402327

Questions Cloud

What is the coupon rate : What is the coupon rate which must be paid for a newly-issued (on 1/1/10) two-year risk-free bond to sell at par?
Describe the cognitive development stages of the children : Watch the Children at Play - DVarchive Video Clips linked in Resources under the Required Resources heading. Choose two clips from the list to use for this assessment. You will also want to refer to the Stages and Types of Play document, also link..
Create a separate xsl template for each field : Create an XSLT file named lab5.xslt that reads an XML file containing student records and generates HTML output. Create an XSL template named student, and then create a separate XSL template for each field in the student element. That's a total of..
What are your monthly payments : 1. Three years ago you took out a 30-year amortizing loan. The loan has a 6% APR with monthly payments (and monthly compounding). a) What are your monthly payments if your current loan balance is $368; 600?
Describe the population from which the sample was selected : Describe the sample.- Describe the population from which the sample was selected.- Is the sample representative of the population?
Information regarding the project : In your response please provide financial information regarding the project (what is available): initial outlay, projected cash flows, final dollar losses.
What is the inference drawn from the analysis : Identify the experimental units of the study.- Identify the variables measured and their type (quantitative or qualitative).
Failure of bear stearns : What was the impact of the near failure of Bear Stearns and the failure of Lehman Brothers on Money Markets? What actions did the Federal Reserve and the Treasury Department take? What were the impacts of the decisions if any?
What is the expected impact of increased security measures : What is the expected impact of increased security measures imposed by the federal government on airlines fares and volume of travel? Demonstrate your answer graphically.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Predicting the first years box office revenue

Mr. Bacon has been wondering if he could predict the first year's box office revenue if he knew several things about a film:

  Use the least squares regression line from question 1

use the least squares regression line from question 1. 70.509 0.293 circumference one man had his waist circumference

  Denote the number of items of goods

A firms total cost function is given by TC=3x1^2+2x1x2+7x2^2, where x1 and x2 denote the number of items of goods G1 and G2 respectively,that are produced.find the values of x1 and x2 which minimize costs if the firm is committed to providing 40 g..

  Assume that a quality characteristic is normally

assume that a quality characteristic is normally distributed. an x-bar control chart is constructed with 3 sigma

  Recognizing and describing potential threats

Recognize and describe potential threats (up to 3) to internal validity.

  Hypothesis testing-critical value-p-value

In 2001, an estimated 78% of executives believed that age bias was a serious problem. In a 2004, 82% of the executives surveyed considered age bias a serious problem.

  What is probability that second one selected is defective

What is the probability that the second one selected is defective given that the first one was defective? (c) What is the probability that both are defective?

  Find the expected value vector

Find the expected value vector E[Y], the correlation matrix RY, and the covariance matrix CY.

  Samples are drawn without replacement

In a sample of 4 items, what is the probability that exactly 3 are acceptable? Assume the samples are drawn without replacement. (Round your answer to 4 decimal places.)

  John jay takes a random sample of 23 quarer pounders they

a mcdougalls quarter pounder is supposed to have a mean weights of 4 ounces. mcdougalls will fined if its hamburgers on

  An educator claims that the drop out rate for seniors at

an educator claims that the drop out rate for seniors at high school in ohio is 15. last year 38 seniors from a random

  Inventory control problem

Solve different inventory control problems using an appropriate OR method.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd