Question 1

In a self-administered survey, the individuals in the sample are typically contacted by ____________________.

Accepted Answer

The answer of In a self-administered survey, the individuals in...

Question 2

A(n) ____________________ sample is obtained by separating the population into groups and taking a simple random sample from each group.

Accepted Answer

stratified

Question 3

NARRBEGIN: Soft Drinks
Soft Drinks
A soft drink manufacturer has been supplying its products in bottles to grocery stores and in cans to small convenience stores. The company is analyzing sales of this product to determine which type of packaging is preferred by customers.NARREND
-{Soft Drink Narrative} Is this study observational or experimental? Explain.

Accepted Answer

The study is observational. Th

Question 4

The Chairman of a College of Business with five departments wants to estimate the average number of student-hours lost per month due to illness of their professors. Describe a sampling plan that will help the Dean compare the average student-loss hours for the five departments.

Accepted Answer

The Chairman can take one simp

Question 5

When the population is divided into mutually exclusive sets, and then a simple random sample is drawn from each set, this is called:

Accepted Answer

A) simple random sampling. 
B) stratified random sampling. 
C) cluster sampling. 
D) selection bias. 
A) simple random sampling. 
B) stratified random sampling. 
C) cluster sampling. 
D) selection bias.

Question 6

Discuss one advantage and one disadvantage of a self-administered survey as a method of data collection.

Accepted Answer

Advantages: It is an inexpensive method

Question 7

Selection bias is a systematic tendency to favor including individuals with particular characteristics, while excluding individuals with other characteristics.

Accepted Answer

A) True 
 B)False

Question 8

Which of the following statements is true regarding the design of a good survey?

Accepted Answer

A) The questions should be kept as short as possible. 
B) A mixture of dichotomous, multiple-choice, and open-ended questions may be used. 
C) Leading questions must be avoided. 
D) All of these choices are true. 
A) The questions should be kept as short as possible. 
B) A mixture of dichotomous, multiple-choice, and open-ended questions may be used. 
C) Leading questions must be avoided. 
D) All of these choices are true.

Question 9

An observational study involves collecting data about persons or objects by recording information about their selected characteristics of interest.

Accepted Answer

A) True 
 B)False

Question 10

Self-administered surveys usually have a high response rate.

Accepted Answer

A) True 
 B)False

Question 11

A target population and a sampled population mean the same thing.

Accepted Answer

A) True 
 B)False

Question 12

NARRBEGIN: Soft Drinks
Soft Drinks
A soft drink manufacturer has been supplying its products in bottles to grocery stores and in cans to small convenience stores. The company is analyzing sales of this product to determine which type of packaging is preferred by customers.NARREND
-{Soft Drink Narrative} Outline a better method for designing this study, so the same types of stores don't get the same types of packaging.

Accepted Answer

Randomly assign some grocery stores to r

Question 13

____________________ error refers to differences between the sample and the population.

Accepted Answer

The answer of ____________________ error refers to differences between the...

Question 14

When every possible sample with the same number of observations is equally likely to be chosen, the result is called a:

Accepted Answer

A) simple random sample. 
B) stratified random sample. 
C) cluster sample. 
D) biased sample. 
A) simple random sample. 
B) stratified random sample. 
C) cluster sample. 
D) biased sample.

Question 15

Which of the following types of samples should not be used to make good statistical inferences from a sample to a population?

Accepted Answer

A) Stratified random samples. 
B) Self-selected samples. 
C) Cluster samples. 
D) All of these choices are true. 
A) Stratified random samples. 
B) Self-selected samples. 
C) Cluster samples. 
D) All of these choices are true.

Question 16

A marketing research firm selects a random sample of adults and asks them a list of questions regarding their beverage preferences. What type of data collection is involved here?

Accepted Answer

A) An experiment. 
B) A survey. 
C) Direct observation. 
D) None of these choices. 
A) An experiment. 
B) A survey. 
C) Direct observation. 
D) None of these choices.

Question 17

Self-selected samples have no bias because they are chosen by the people themselves.

Accepted Answer

A) True 
 B)False

Question 18

The larger the sample size is, the more accurate we can expect our sample estimates to be.

Accepted Answer

A) True 
 B)False

Question 19

Proper interviewer training helps to reduce ____________________ error.

Accepted Answer

The answer of Proper interviewer training helps to reduce ____________________...

Question 20

Experimental data tend to be more reliable, or "stronger," than survey data.

Accepted Answer

A) True 
 B)False

In a self-administered survey, the individuals in the sample are typically contacted by ____________________.

A(n) ____________________ sample is obtained by separating the population into groups and taking a simple random sample from each group.

The Chairman of a College of Business with five departments wants to estimate the average number of student-hours lost per month due to illness of their professors. Describe a sampling plan that will help the Dean compare the average student-loss hours for the five departments.

When the population is divided into mutually exclusive sets, and then a simple random sample is drawn from each set, this is called:

Discuss one advantage and one disadvantage of a self-administered survey as a method of data collection.

Selection bias is a systematic tendency to favor including individuals with particular characteristics, while excluding individuals with other characteristics.

Which of the following statements is true regarding the design of a good survey?

An observational study involves collecting data about persons or objects by recording information about their selected characteristics of interest.

Self-administered surveys usually have a high response rate.

A target population and a sampled population mean the same thing.

____________________ error refers to differences between the sample and the population.

When every possible sample with the same number of observations is equally likely to be chosen, the result is called a:

Which of the following types of samples should not be used to make good statistical inferences from a sample to a population?

A marketing research firm selects a random sample of adults and asks them a list of questions regarding their beverage preferences. What type of data collection is involved here?

Self-selected samples have no bias because they are chosen by the people themselves.

The larger the sample size is, the more accurate we can expect our sample estimates to be.

Proper interviewer training helps to reduce ____________________ error.

Experimental data tend to be more reliable, or "stronger," than survey data.

What Is Statistics

Graphical Descriptive Techniques I

Graphical Descriptive Techniques II

Numerical Descriptive Techniques

Probability

Random Variables and Discrete Probability Distributions

Continuous Probability Distributions

Sampling Distributions

Introduction to Estimation

Introduction to Hypothesis Testing

Inference About a Population

Inference About Comparing Two Populations

Analysis of Variance

Chi-Squared Tests Optional

Simple Linear Regression and Correlation

Multiple Regression

Filters

Exam 5: Data Collection and Sampling

In a self-administered survey, the individuals in the sample are typically contacted by ____________________.

A(n) ____________________ sample is obtained by separating the population into groups and taking a simple random sample from each group.

The Chairman of a College of Business with five departments wants to estimate the average number of student-hours lost per month due to illness of their professors. Describe a sampling plan that will help the Dean compare the average student-loss hours for the five departments.

When the population is divided into mutually exclusive sets, and then a simple random sample is drawn from each set, this is called:

Discuss one advantage and one disadvantage of a self-administered survey as a method of data collection.

Selection bias is a systematic tendency to favor including individuals with particular characteristics, while excluding individuals with other characteristics.

Which of the following statements is true regarding the design of a good survey?

An observational study involves collecting data about persons or objects by recording information about their selected characteristics of interest.

Self-administered surveys usually have a high response rate.

A target population and a sampled population mean the same thing.

____________________ error refers to differences between the sample and the population.

When every possible sample with the same number of observations is equally likely to be chosen, the result is called a:

Which of the following types of samples should not be used to make good statistical inferences from a sample to a population?

A marketing research firm selects a random sample of adults and asks them a list of questions regarding their beverage preferences. What type of data collection is involved here?

Self-selected samples have no bias because they are chosen by the people themselves.

The larger the sample size is, the more accurate we can expect our sample estimates to be.

Proper interviewer training helps to reduce ____________________ error.

Experimental data tend to be more reliable, or "stronger," than survey data.

What Is Statistics

Graphical Descriptive Techniques I

Graphical Descriptive Techniques II

Numerical Descriptive Techniques

Probability

Random Variables and Discrete Probability Distributions

Continuous Probability Distributions

Sampling Distributions

Introduction to Estimation

Introduction to Hypothesis Testing

Inference About a Population

Inference About Comparing Two Populations

Analysis of Variance

Chi-Squared Tests Optional

Simple Linear Regression and Correlation

Multiple Regression

Filters