For this sample, the estimated standard error is: a. .020 b. .028 c. .040 d. .048 а. b. For this sample, a 99% confidence interval for the proportion of recidivism cases would be: a. .178 to .342 b. .188 to .342 c. .188 to .332 d. .178 to .332 c. Assume the prison population is 1255 convicts. If so, then a 99% confidence interval for the proportion of recidivism cases would be: a. .188 to .342 b. .196 to .342 c. .196 to .324 d. .188 to .324

For this sample, the estimated standard error is: a. .020 b. .028 c. .040 d. .048 а. b. For this sample, a 99% confidence interval for the proportion of recidivism cases would be: a. .178 to .342 b. .188 to .342 c. .188 to .332 d. .178 to .332 c. Assume the prison population is 1255 convicts. If so, then a 99% confidence interval for the proportion of recidivism cases would be: a. .188 to .342 b. .196 to .342 c. .196 to .324 d. .188 to .324

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.

Question

### Transcription for Educational Use

#### a. Estimated Standard Error for the Sample

The estimated standard error for this sample is:

- a. 0.020
- b. 0.028
- c. 0.040
- d. 0.048

#### b. 99% Confidence Interval for Recidivism Proportion

For this sample, the 99% confidence interval for the proportion of recidivism cases would be:

- a. 0.178 to 0.342
- b. 0.188 to 0.342
- c. 0.188 to 0.332
- d. 0.178 to 0.332

#### c. Confidence Interval with a Prison Population of 1255 Convicts

Assuming the prison population is 1255 convicts, the 99% confidence interval for the proportion of recidivism cases would be:

- a. 0.188 to 0.342
- b. 0.196 to 0.342
- c. 0.196 to 0.324
- d. 0.188 to 0.324

### Explanation

The given text provides multiple-choice options regarding statistical calculations related to confidence intervals and standard errors. These are commonly used to express the degree of uncertainty or certainty in a sampling process.

2. A prison official wants to estimate the proportion of cases of recidivism. Examining the records of 250 convicts, the official determines that there are 65 cases of recidivism.

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