Explain the importance of random sampling

Assignment Help Basic Statistics
Reference no: EM132071981

Question: Explain the importance of random sampling. What problems/limitations could prevent a truly random sampling and how can they be prevented? The response must be typed, single spaced, must be in times new roman font (size 12) and must follow the APA format.

Reference no: EM132071981

Questions Cloud

International emergency management structure : Similar to the federal-to-state issues you examined in Week 8, special considerations need to be made when designing international
Acquisition of CASH will give rise to Big Data Opportunities : Advise MONEY how the acquisition of CASH will give rise to Big Data Opportunities.
Modern organisational business operations : How e-technologies have changed modern organisational business operations and how suppliers of suchtechnologies have sought to overcome
Evaluate prior research actions and interventions : Critically evaluate prior research actions and interventions that serve as a foundation for the proposed doctoral research.
Explain the importance of random sampling : Explain the importance of random sampling. What problems/limitations could prevent a truly random sampling and how can they be prevented?
Calculate the liquidity risk premium : Calculate the liquidity risk premium on Tom and Sue’s Flowers, lnc.’s, 15-year bonds.
What type of control chart should be used here : a. What type of control chart should be used here? b. What is the centerline of the chart? c. What is the lower control limit (LCL)? The upper control I?
Explain each sampling technique in detail : Explain each sampling technique discussed in the "Visual Learner: Statistics" in your own words, and give examples of when each technique would be appropriate.
Identify and rationalize an applicable collaboration : Provide a description of both the video and communication example. Then, identify and rationalize an applicable collaboration characteristics.

Reviews

Write a Review

Basic Statistics Questions & Answers

  What is the kings first order belief

What is the set of states of nature corresponding to the above description.- What is the king's first-order belief? What is his second-order belief?

  Treatment based on a battery of psychological tests

At the end of 24 weeks of treatment, subjects were classified as responders or non-responders to treatment based on a battery of psychological tests.

  Correlation coefficient and scatter plot

The Scatter plot can more easily be generated using the Chart procedure.

  Shoplifting incidents in a grocery store

The experimenters (a man and a woman) staged 140 "shoplifting" incidents in a grocery store. In each case, the "shoplifter" (one experimenter) picked up.

  Construct a relative frequency histogram for these data

List all the values in a table and then construct a stem-and-leaf display for the data. Construct a relative frequency histogram for these data with equal class widths, the first class being "$4 to less than $6"

  In the linear regression model it was found that the 90

in the linear regression model it was found that the 90 confidence interval for the regression coefficient b is 1.59.3.

  Mean for grouped data

The following frequency table determine the ages of 100 shoppers at the local grocery store. Compute the sample mean for this data (mean for the grouped data).

  Score from a personality inventory

A psychologist is studying the self image of smokers, as measured by the self-image (SI) score from a personality inventory. She would like to examine the mean SI score,, for the population of all smokers.

  Hypothesis test for two population means test

Test the hypothesis that there is no difference in the mean scores of Exam 1 and Exam 2 against the alternative that the average is  greater  for the second exam.

  Consider a discrete-time markov chain

(b) Let N{t), for t > 0, be the number of renewals in the interval [0, t], where t is in seconds. If we suppose that every transition of the Markov chain takes one second, calculate

  Draw frequency polygons for each of four distributions

Draw frequency polygons for each of the four distributions (assume they are normal) with the raw scores indicated for all six of the standard deviation units. a) Mean= 15 SD= 3

  Mean and standard deviation of sampling distribution model

What are the mean and standard deviation of the sampling distribution model for?- Is a Normal model appropriate here? Explain.

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