contestada

which of the following statements concerning confidence intervals is false? a. a narrower confidence interval can be obtained by increasing the sample size. b. a narrower confidence interval can be obtained by decreasing the degree of confidence desired. c. a confidence interval can be inferred when a probabilistic sample is drawn. d. a confidence interval is produced by calculating the degree of nonsampling error for the particular statistic. e. precision can be increased by increasing sample size or decreasing the confidence level. 2 points save answer

Respuesta :

The correct option d. a confidence interval is produced by calculating the degree of non-sampling error for the particular statistic; is the false statement regarding the confidence intervals.

Describe the term confidence intervals?

The confidence interval (CI) is a range of probabilities that, with a particular level of confidence, is likely to include a population value.

  • A population mean that sits between a minimum and maximum interval is frequently stated as a percentage.
  • A range of data that you may be 95% positive contains the population's actual mean is known as the 95% confidence interval.
  • The sample mean (the center of the CI) will fluctuate from sample to sample as a result of natural sampling variability.
  • The approach itself, not a certain CI, is where the confidence lies. If the sampling procedure were to be applied repeatedly, roughly 95% of the built-in intervals would represent the real population mean.

Thus, all statement correctly describes the confidence intervals except in option d.

To know more about the confidence intervals, here

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