Tag: population

182 Why does a 95% Confidence Interval (CI) not imply a 95% chance of containing the mean? 2012-04-14T10:19:48.357

95 Locating freely available data samples 2010-07-19T19:15:59.303

40 What is the difference between N and N-1 in calculating population variance? 2011-11-03T15:02:53.050

38 Statistical inference when the sample "is" the population 2010-09-13T18:35:23.810

30 What is the difference between a population and a sample? 2010-07-20T11:07:42.403

28 Statistical methods for data where only a minimum/maximum value is known 2016-03-18T12:07:53.270

12 Estimating population size from the frequency of sampled duplicates and uniques 2011-04-06T00:45:50.147

12 Is any quantitative property of the population a "parameter"? 2013-07-05T02:03:32.377

12 Bias in average age for grandmaster title qualification by age groups? 2016-12-07T16:47:08.337

11 Male and Female Chess Players - Expected Discrepancies at Tails of Distributions 2015-01-14T01:55:32.227

9 Does it matter how you sample a population? 2012-06-27T15:38:10.217

9 Estimating number of balls by successively selecting a ball and marking it 2014-09-26T21:02:59.850

8 How to report data for an entire population? 2013-09-17T18:34:34.193

7 Does it make sense to compute confidence intervals and to test hypotheses when data from whole population is available? 2013-09-01T09:26:14.797

7 What is exactly distributed according to t-distribution? 2015-06-18T08:11:59.350

6 Is there a way to compute diversity in a population? 2011-02-27T19:05:14.440

6 Difference between superpopulation and infinite population 2012-07-14T19:01:40.673

6 Population model to model year to year dynamics 2013-06-14T14:34:49.350

6 When does one use $\frac{1}{\sqrt{n}}$ and when does one use $1.96\sqrt{\frac{p(1-p)}{n}}$? 2017-03-01T14:15:52.813

5 Forecasting demographic census 2010-07-19T19:24:36.303

5 How is Google+ population estimated? 2011-07-12T12:07:16.473

5 Combining the results of two surveys 2012-02-02T17:22:17.730

5 Estimating species distribution and rate of expansion using only positive data 2012-04-18T14:21:43.917

5 Whether to use r-square or adjusted r-square with a small sample size that may represent the entire population? 2012-08-14T17:43:10.163

5 What does the "different populations" result of a significant group t-test mean exactly? 2014-03-25T17:33:58.993

5 Have population, use inferential statistics? Also, non-normal dependent variable, what to do? 2014-06-19T22:06:25.487

5 Overview of predictive modelling, machine learning, etc. 2016-04-16T01:14:52.220

5 How to Estimate Population Variance from Multiple Samples 2016-11-03T03:49:53.907

4 Is taking the median of a set of percentages statistically sound? 2010-12-06T00:17:18.907

4 When the population has a known fixed size, are tables for the t statistic wrong? 2011-08-16T04:14:53.913

4 Identifying the population and samples in a study 2012-07-02T01:37:16.797

4 Confusion between sample and population 2012-10-02T04:16:46.093

4 Is a chisquare on a (nearly) complete population data necessary? 2013-02-17T01:49:55.147

4 Population Variance and Sample Variance 2013-03-03T13:31:16.290

4 Population standard deviation for a binomial(?) distribution? 2013-05-16T20:40:17.893

4 How to deal with non random samples? 2013-10-06T09:09:35.460

4 How to combine data from 5 surveys from the same population spanning 10 years 2013-10-07T02:44:46.310

4 Why describe a sample as i.i.d.? 2013-11-16T00:54:37.507

4 appropriate hypothesis test for non-negative quantity 2014-07-09T15:31:19.660

4 Why is the standard deviation of the sample mean less than the population SD? 2014-11-11T18:14:17.633

4 Difference between errors and residuals. What is the mean and variance of each of them? 2016-03-12T08:26:14.930

4 What is the difference between standard error and margin of error and when to use which? 2016-03-16T14:11:24.650

4 Does a sample have the same statistics as another sample taken from the same population? 2016-09-10T21:16:47.360

4 Assumptions for Fisher's exact test 2018-01-07T16:36:31.910

3 Time series data distribution forecast? 2011-07-13T00:12:06.273

3 Difference between a census and a sample 2012-07-10T04:32:28.887

3 Mixing User Data For Cross-Validation 2013-02-21T23:14:15.510

3 How should I color scheme a heat map based off data below? 2013-05-16T19:00:48.293

3 SPSS: "Weight cases" by multiple factors, by taking the product of weights? 2013-07-24T22:43:02.137

3 How to compare sampled areas to the Census? 2013-12-16T22:41:08.513

3 What test of significance should I use to analyse visits to a clinic by various groups? 2014-01-10T14:51:51.980

3 To know clearly about the population 2014-02-21T10:01:59.627

3 Is my data representative of Bristol? 2014-02-24T18:10:49.577

3 How do I detect the number of distributions in a set of data? 2014-05-17T13:59:32.017

3 Do you need to report the standard error of the mean when the sample is the population? 2014-08-02T07:24:54.120

3 Why are estimation results sharply different from the actual population (exponential distr.) 2014-12-30T08:41:52.317

3 How can you tell if a yearly increase in population is statistically significant? 2015-02-22T01:09:55.587

3 Advantages and disadvantages of using population and samples for statistics 2015-04-17T19:05:35.740

3 Compare official population distribution with sample? 2015-04-28T09:30:59.100

3 Uses and estimation of Student-t distribution 2015-12-23T06:07:18.723

3 Compare two population means at different time point 2016-02-23T01:53:00.790

3 Population vs. Sample 2016-03-17T19:01:45.133

3 Why are we using population symbols ($\sigma^2$, $\mu$, ...) instead of sample symbols ($s^2$, $\bar{x}$, ...) for Random Variables? 2016-07-04T18:43:21.310

3 Age-adjustment for differently-defined age bands 2016-07-09T13:54:50.370

3 How to Understand the Relationships Among Random Variables, Samples, and Populations? 2016-07-19T05:52:03.797

3 Population, sample and model 2016-08-29T13:58:16.073

3 Repeated catch–mark–release (urn problem) 2016-12-01T19:12:37.317

3 What is the 'observed value' when we are talking about the error term 2017-02-15T14:50:29.527

3 How to calculate Mean of a giant Array of Integers with unknown distribution and standard deviation? 2017-04-25T04:08:24.513

3 Does anybody know the origin of the idea of there being a population and a sample? 2017-07-17T16:22:47.503

3 Why does this not give population variance? 2017-11-28T23:33:51.127

2 How to graphically compare distributions of a variable for two groups with different sample sizes? 2011-08-01T23:28:05.677

2 How to compare proportions across different groups with varying population sizes? 2011-08-17T01:43:05.670

2 In benchmark tests should I use formulas assuming a population or a sample? 2012-01-22T04:12:09.940

2 Calibrating a household survey to household-level and person-level control totals 2012-03-09T12:24:27.650

2 Significance test for non-normal population? 2012-06-16T23:25:54.743

2 Comparing proportions from the same sample of patients 2012-08-16T10:58:39.430

2 Estimating the confidence interval for each half of a population 2012-11-15T19:48:31.423

2 Good distribution for modelling age in a population 2013-02-28T23:11:00.940

2 How to best account for population sizes in disease outbreaks 2013-06-19T02:51:32.107

2 How to accomplish unsupervised separation of subpopulations? 2013-09-16T15:00:59.427

2 For a research project I'm trying to estimate how many videos currently exist on Youtube 2013-11-06T09:53:06.613

2 Whether the population exists in an experimental study? 2014-01-14T14:45:25.107

2 How useful are per capita calculations in level of education of a population? 2014-02-28T08:58:28.127

2 Z-scores, standardized tests and population means 2014-03-15T09:54:15.913

2 What benefit can be gained from finding total population size 2014-04-03T11:06:41.970

2 Comparing a subset of a population with the entire population? 2014-04-09T17:26:54.610

2 How is this version of the pearson correlation coefficient derived? 2014-04-11T05:45:29.797

2 Interpolating time series 2014-07-10T19:02:44.403

2 Is a sample of 1961 people out of a population of 225,000,000 a sample size that is too small? If so, why? 2014-07-28T05:27:46.220

2 Resources for when population data is available 2014-09-23T16:58:53.167

2 Finite Population Variance for a Changing Population 2014-09-28T23:36:21.827

2 When to Use Sampling Distributions And When to Use Regular Probability Distributions 2014-12-09T21:28:13.960

2 Measure of variance between two populations 2014-12-16T03:23:07.880

2 Can the population be smaller than the number of possible outcomes? 2015-01-06T17:54:52.423

2 Standard error of a population 2015-03-03T20:05:45.020

2 Confusion about the sample distribution.. Can you please enlighten me? 2015-03-14T15:26:03.977

2 Describing Differences between Two Inferred Populations 2015-03-30T07:22:40.053

2 Rigorous definitions of sample and population 2015-03-30T20:19:26.600