Random digit telephone dialing

Assignment Help Basic Statistics
Reference no: EM131747046

Random digit telephone dialing. An opinion poll in California uses random digit dialing to choose telephone numbers at random. Numbers are selected separately within each California area code. The size of the sample in each area code is proportional to the population living there.

(a) What is the name for this kind of sampling design?

(b) The California area codes are

443_Random digit telephone dialing.png

Another California survey does not call numbers in all area codes but starts with an SRS of 10 area codes. Choose such an SRS. If you use Table B, start at line 123.

Reference no: EM131747046

Questions Cloud

Systematic random samples versus simple random samples : Explain carefully why a systematic random sample does give every individual the same chance to be chosen but is not a simple random sample.
Define effects and interaction using appropriate graphs : Changing your major. A study of undergraduate computer science students examined changes in major after the first year.15 The study examined the fates of 256.
What are the possible sources of disability income : What are the possible sources of disability income?
Tax professional and the return would be filed with the irs : Treat the return as if you were a tax professional and the return would be filed with the IRS
Random digit telephone dialing : An opinion poll in California uses random digit dialing to choose telephone numbers at random. Numbers are selected separately within each California area code.
Explain differences in regulation between plants and animals : Explain the differences in regulation between plants and animals. Why do you think this is so? Please, make sure it corresponds to the requirements.
How budgets aid management in decision making : How budgets aid management in decision making? What is master budget? What is flexible budget and how it is superior to a static budget?
Stratified sampling of forest areas : Stratified sampling of forest areas. Stratified samples are widely used to study large areas of forest. Based on satellite images, a forest area in the Amazon
What is the specific purpose of the document : What is the specific purpose of the document: What is the document meant to achieve? Who is the intended audience for this document? Who reads it?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Graph the sample means with the values of on the horizontal

the following information gives the number of days absent from work for a population of 5 workers at a small factory.

  Reliability and validity of research study

In teaching the role of statistical application in Health Science, the importance of reliable and valid data is very critical in research process.

  What is the random variable of interest

Suppose a social worker is involved in a study about family structure. She obtains information regarding the number of children per family in a certain community from the census data. What is the random variable of interest? Is the random variable..

  Statistics and death penalty

In November 2009, 65% (0.65) of Americans favored the death penalty for a person convicted of murder. In November 2010, 1025 adult Americans were asked by the Gallup organization,

  What percentage of time will second window have to be opened

When demand cannot be met during any given interval, a second window is opened. What percentage of the time will a second window have to be opened?

  Describe sampling distribution of sample proportion

A store has determined that 25% of all sales are credit sales. A random sample of 75 sales is selected. What is the probability that the sample proportion will be:

  Find mean and standard deviation of consultants total profit

Assuming independence of outcomes, find the mean and standard deviation of the consultant's total profit from these three projects.

  Components of time series

Four components of a time series are secular trend, cyclical variation, seasonal variation, and irregular variation (Lind, 2005). Briefly describe each of these components and provide a real-world example of one component.

  In a survey of women in a certain country ages 20-29 the

in a survey of women in a certain country ages 20-29 the mean height was 64.1 inches with a standard deviation of 2.99

  Assume that a random sample is used to estimate a

assume that a random sample is used to estimate a population p. find the margin of error e that corresponds to the

  Trust and confidence in the executive branch

Find out a 95% confidence interval for the proportion  p   of adults who have a great deal of trust and confidence in the executive branch of government.

  Find the variance of the particle diameters of all particles

Test at the 2.5% significance level whether the variance of the particle diameters of all particles in 220-rated sandpaper is greater than 2.0 micrometers.

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