Question 1

Errors such as measurement error, processing error, and interviewer error are

Accepted Answer

A)  sampling errors. 
B)  nonsampling errors. 
C)  could be either sampling or nonsampling errors. 
D)  impossible to detect. 
A)  sampling errors. 
B)  nonsampling errors. 
C)  could be either sampling or nonsampling errors. 
D)  impossible to detect.

Question 2

A simple random sample of 45 elements has been selected from a population of size 800. The sample mean is 500, and the sample standard deviation is 60. An approximate 95% confidence interval for the population mean is

Accepted Answer

A)  482.6 to 517.4 
B)  440.0 to 560.0 
C)  500.0 to 560.0 
D)  440.0 to 500.0 
A)  482.6 to 517.4 
B)  440.0 to 560.0 
C)  500.0 to 560.0 
D)  440.0 to 500.0

Question 3

The target population and the sampled population

Accepted Answer

A)  are always the same. 
B)  are not always the same. 
C)  must be the same for the results to be accurate. 
D)  None of these alternatives is correct. 
A)  are always the same. 
B)  are not always the same. 
C)  must be the same for the results to be accurate. 
D)  None of these alternatives is correct.

Question 4

From a population of size 600, a simple random sample of size 60 is selected. The sample mean is 400, and the sample standard deviation is 50. The population total is

Accepted Answer

A)  3,944 
B)  16,000 
C)  240,000 
D)  24,000 
A)  3,944 
B)  16,000 
C)  240,000 
D)  24,000

Question 5

Nonsampling error includes all of the following except _____ error.

Accepted Answer

A)  measurement 
B)  chance 
C)  selection 
D)  processing 
A)  measurement 
B)  chance 
C)  selection 
D)  processing

Question 6

A number added to and subtracted from a point estimate to create an approximate 95% confidence interval is known as

Accepted Answer

A)  cluster of points. 
B)  bound on sampling error. 
C)  area point estimation. 
D)  systematic sampling error. 
A)  cluster of points. 
B)  bound on sampling error. 
C)  area point estimation. 
D)  systematic sampling error.

Question 7

A sampling unit

Accepted Answer

A)  must have one element. 
B)  may include several elements. 
C)  can not include more than one element. 
D)  is the number of units sampled. 
A)  must have one element. 
B)  may include several elements. 
C)  can not include more than one element. 
D)  is the number of units sampled.

Question 8

A sample selected in such a manner that each sample of size n has the same probability of being selected is

Accepted Answer

A)  a convenience sample. 
B)  a judgment sample. 
C)  nonprobabilistic sampling. 
D)  a simple random sample. 
A)  a convenience sample. 
B)  a judgment sample. 
C)  nonprobabilistic sampling. 
D)  a simple random sample.

Errors such as measurement error, processing error, and interviewer error are

A simple random sample of 45 elements has been selected from a population of size 800. The sample mean is 500, and the sample standard deviation is 60. An approximate 95% confidence interval for the population mean is

The target population and the sampled population

From a population of size 600, a simple random sample of size 60 is selected. The sample mean is 400, and the sample standard deviation is 50. The population total is

Nonsampling error includes all of the following except _____ error.

A number added to and subtracted from a point estimate to create an approximate 95% confidence interval is known as

A sampling unit

A sample selected in such a manner that each sample of size n has the same probability of being selected is

Data and Statistics

Descriptive Statistics: Tabular and Graphical Displays

Descriptive Statistics: Numerical Measures

Introduction to Probability

Discrete Probability Distributions

Continuous Probability Distributions

Sampling and Sampling Distributions

Interval Estimation

Hypothesis Tests

Inference About Means and Proportions With Two Populations

Inferences About Population Variances

Comparing Multiple Proportions, Tests of Independence and Goodness of Fit

Experimental Design and Analysis of Variance

Simple Linear Regression

Multiple Regression

Regression Analysis: Model Building

Time Series Analysis and Forecasting

Nonparametric Methods

Decision Analysis

Index Numbers

Statistical Methods for Quality Control

Filters

Exam 22: Sample Survey

Errors such as measurement error, processing error, and interviewer error are

A simple random sample of 45 elements has been selected from a population of size 800. The sample mean is 500, and the sample standard deviation is 60. An approximate 95% confidence interval for the population mean is

The target population and the sampled population

From a population of size 600, a simple random sample of size 60 is selected. The sample mean is 400, and the sample standard deviation is 50. The population total is

Nonsampling error includes all of the following except _____ error.

A number added to and subtracted from a point estimate to create an approximate 95% confidence interval is known as

A sampling unit

A sample selected in such a manner that each sample of size n has the same probability of being selected is

Data and Statistics

Descriptive Statistics: Tabular and Graphical Displays

Descriptive Statistics: Numerical Measures

Introduction to Probability

Discrete Probability Distributions

Continuous Probability Distributions

Sampling and Sampling Distributions

Interval Estimation

Hypothesis Tests

Inference About Means and Proportions With Two Populations

Inferences About Population Variances

Comparing Multiple Proportions, Tests of Independence and Goodness of Fit

Experimental Design and Analysis of Variance

Simple Linear Regression

Multiple Regression

Regression Analysis: Model Building

Time Series Analysis and Forecasting

Nonparametric Methods

Decision Analysis

Index Numbers

Statistical Methods for Quality Control

Filters