Question 1

Unlike the sample and population distributions, the sampling distribution is________.

Accepted Answer

A)  empirical. 
B)  theoretical. 
C)  random. 
D)  EPSEM. 
A)  empirical. 
B)  theoretical. 
C)  random. 
D)  EPSEM. B

Question 2

Unless a sample is __________, it cannot be used to make accurate generalizations to a population.

Accepted Answer

A)  very large 
B)  very small 
C)  representative 
D)  stratified 
A)  very large 
B)  very small 
C)  representative 
D)  stratified C

Question 3

A researcher tests a theory about sexism by administering a survey to the 200 students in her sociology classes. This sample is best characterized as a________.

Accepted Answer

A)  cluster sample. 
B)  stratified random sample. 
C)  nonprobability sample. 
D)  sampling distribution. 
A)  cluster sample. 
B)  stratified random sample. 
C)  nonprobability sample. 
D)  sampling distribution. C

Question 4

The mean age of all college graduates is 35. If the population distribution is normal, the mean of any sampling distribution of sample mean ages of college graduates will be________.

Accepted Answer

A)  within plus or minus 1 standard deviation of 35. 
B)  close to 35. 
C)  35. 
D)  determined by the size of the distribution. 
A)  within plus or minus 1 standard deviation of 35. 
B)  close to 35. 
C)  35. 
D)  determined by the size of the distribution.

Question 5

The EPSEM sampling method that does not require the researcher have access to a complete list of their population is________.

Accepted Answer

A)  cluster sampling. 
B)  nonprobability sampling. 
C)  simple random sampling. 
D)  stratified random sampling. 
A)  cluster sampling. 
B)  nonprobability sampling. 
C)  simple random sampling. 
D)  stratified random sampling.

Question 6

Social scientists use inferential statistics to generalize to populations after they have collected________.

Accepted Answer

A)  a representative sample. 
B)  all the information possible from the entire population. 
C)  an EPSEM sample from the population of interest. 
D)  at least 100 cases from all possible populations. 
A)  a representative sample. 
B)  all the information possible from the entire population. 
C)  an EPSEM sample from the population of interest. 
D)  at least 100 cases from all possible populations.

Question 7

The shape of the sampling distribution of sample means can be assumed to be normal when N is________.

Accepted Answer

A)  a large percentage of the population. 
B)  any number as long as you know the value of the population mean. 
C)  100 or more. 
D)  at least twice the value of the population standard deviation. 
A)  a large percentage of the population. 
B)  any number as long as you know the value of the population mean. 
C)  100 or more. 
D)  at least twice the value of the population standard deviation.

Question 8

The simple random sample requires________.

Accepted Answer

A)  a defined population. 
B)  a complete list of all cases in the population. 
C)  a random selection process. 
D)  All of the answer choices 
A)  a defined population. 
B)  a complete list of all cases in the population. 
C)  a random selection process. 
D)  All of the answer choices

Question 9

Statistics are to parameters as________.

Accepted Answer

A)  samples are to populations. 
B)  populations are to samples. 
C)  medians are to standard deviations. 
D)  percentages are to proportions. 
A)  samples are to populations. 
B)  populations are to samples. 
C)  medians are to standard deviations. 
D)  percentages are to proportions.

Question 10

There are about 70 million eligible voters in a society. A public opinion pollster has estimated their probable choices for the next president with a sample of 2,000 randomly selected citizens. In this example, the 2,000 citizens are a __________ and the 70 million eligible voters are a _______.________.

Accepted Answer

A)  sampling distribution, sample distribution 
B)  population, cluster 
C)  cluster, proportion 
D)  sample, population 
A)  sampling distribution, sample distribution 
B)  population, cluster 
C)  cluster, proportion 
D)  sample, population

Question 11

With a sample size of 75, a normal sampling distribution can be assumed if________.

Accepted Answer

A)  the cases in the sample are homogeneous. 
B)  the cases in the sample are heterogeneous. 
C)  the population distribution is normal. 
D)  the sample distribution is normal. 
A)  the cases in the sample are homogeneous. 
B)  the cases in the sample are heterogeneous. 
C)  the population distribution is normal. 
D)  the sample distribution is normal.

Question 12

Compared to probability samples, nonprobability samples________.

Accepted Answer

A)  are usually cheaper to assemble. 
B)  are always much larger. 
C)  are usually more expensive to assemble. 
D)  allow for generalizations to populations. 
A)  are usually cheaper to assemble. 
B)  are always much larger. 
C)  are usually more expensive to assemble. 
D)  allow for generalizations to populations.

Question 13

The Central Limit Theorem states that as sample size becomes large________.

Accepted Answer

A)  the sampling distribution of sample means approaches normality. 
B)  the sampling distribution of sample means becomes larger. 
C)  the population distribution becomes normal. 
D)  the sample distribution becomes normal. 
A)  the sampling distribution of sample means approaches normality. 
B)  the sampling distribution of sample means becomes larger. 
C)  the population distribution becomes normal. 
D)  the sample distribution becomes normal.

Question 14

In a sampling distribution of sample means, most of the sample means will________.

Accepted Answer

A)  cluster around the true population value. 
B)  be below the population mean in value. 
C)  be above the population mean in value. 
D)  not follow any particular pattern. 
A)  cluster around the true population value. 
B)  be below the population mean in value. 
C)  be above the population mean in value. 
D)  not follow any particular pattern.

Question 15

A researcher is conducting a study by asking people shopping at a local mall about their opinions on gay marriage. The researcher is using:________.

Accepted Answer

A)  simple random sampling. 
B)  cluster sampling. 
C)  stratified random sampling. 
D)  nonprobability sampling. 
A)  simple random sampling. 
B)  cluster sampling. 
C)  stratified random sampling. 
D)  nonprobability sampling.

Question 16

As noted in the text, telemarketers often use________.

Accepted Answer

A)  simple random sampling only. 
B)  stratified sampling only. 
C)  nonprobability sampling only. 
D)  the sampling techniques used by social scientists. 
A)  simple random sampling only. 
B)  stratified sampling only. 
C)  nonprobability sampling only. 
D)  the sampling techniques used by social scientists.

Question 17

Your sample size is 1000. It is safe to assume that________.

Accepted Answer

A)  the shape of the sampling distribution of sample means is normal. 
B)  the sample is representative of the population. 
C)  the population distribution is normal. 
D)  the sample distribution is normal. 
A)  the shape of the sampling distribution of sample means is normal. 
B)  the sample is representative of the population. 
C)  the population distribution is normal. 
D)  the sample distribution is normal.

Question 18

A researcher questioned 45 randomly-selected members of the freshman class about their experiences drinking alcohol and used these responses to estimate the drinking behavior of the entire freshman class of 1500. In this example, the 45 interviewees were the __________ and the ___________ was the population.

Accepted Answer

A)  sample, student body 
B)  parameters, freshman class 
C)  statistics, parameters 
D)  sample, freshman class 
A)  sample, student body 
B)  parameters, freshman class 
C)  statistics, parameters 
D)  sample, freshman class

Question 19

The standard error of the mean is the same thing as________.

Accepted Answer

A)  the standard deviation of a sample. 
B)  the standard deviation of a population. 
C)  the standard deviation of a sampling distribution. 
D)  the variance of a sample. 
A)  the standard deviation of a sample. 
B)  the standard deviation of a population. 
C)  the standard deviation of a sampling distribution. 
D)  the variance of a sample.

Question 20

In systematic random sampling, the researcher randomly selects________.

Accepted Answer

A)  the first case and every k th case thereafter. 
B)  cases following any systematic pattern. 
C)  every other case. 
D)  cases according to their scores. 
A)  the first case and every k th case thereafter. 
B)  cases following any systematic pattern. 
C)  every other case. 
D)  cases according to their scores.

Unlike the sample and population distributions, the sampling distribution is________.

Unless a sample is __________, it cannot be used to make accurate generalizations to a population.

A researcher tests a theory about sexism by administering a survey to the 200 students in her sociology classes. This sample is best characterized as a________.

The mean age of all college graduates is 35. If the population distribution is normal, the mean of any sampling distribution of sample mean ages of college graduates will be________.

The EPSEM sampling method that does not require the researcher have access to a complete list of their population is________.

Social scientists use inferential statistics to generalize to populations after they have collected________.

The shape of the sampling distribution of sample means can be assumed to be normal when N is________.

The simple random sample requires________.

Statistics are to parameters as________.

There are about 70 million eligible voters in a society. A public opinion pollster has estimated their probable choices for the next president with a sample of 2,000 randomly selected citizens. In this example, the 2,000 citizens are a ______ and the 70 million eligible voters are a _.______.

With a sample size of 75, a normal sampling distribution can be assumed if________.

Compared to probability samples, nonprobability samples________.

The Central Limit Theorem states that as sample size becomes large________.

In a sampling distribution of sample means, most of the sample means will________.

A researcher is conducting a study by asking people shopping at a local mall about their opinions on gay marriage. The researcher is using:________.

As noted in the text, telemarketers often use________.

Your sample size is 1000. It is safe to assume that________.

A researcher questioned 45 randomly-selected members of the freshman class about their experiences drinking alcohol and used these responses to estimate the drinking behavior of the entire freshman class of 1500. In this example, the 45 interviewees were the and the _ was the population.

The standard error of the mean is the same thing as________.

In systematic random sampling, the researcher randomly selects________.

Introduction

Basic Descriptive Statistics Tables Percentages Rates and Ratios and Graphs

Measures of Central Tendency

Measures of Variation

The Normal Curve

Estimation Procedures

Hypothesis Testing I the One Sample Case

Hypothesis Testing Ii the Two Sample Case

Hypothesis Testing Iii the Analysis of Variance

Hypothesis Testing Iv Chi Square

Bivariate Association for Nominal and Ordinal Level Variables

Association Between Variables Measured at the Interval Ratio Level

Elaborating Bivariate Tables

Partial Correlation and Multiple Regression and Correlation

Filters

Exam 6: Introduction to Inferential Statistics Sampling and the Sampling Distribution

Unlike the sample and population distributions, the sampling distribution is________.

Unless a sample is __________, it cannot be used to make accurate generalizations to a population.

A researcher tests a theory about sexism by administering a survey to the 200 students in her sociology classes. This sample is best characterized as a________.

The mean age of all college graduates is 35. If the population distribution is normal, the mean of any sampling distribution of sample mean ages of college graduates will be________.

The EPSEM sampling method that does not require the researcher have access to a complete list of their population is________.

Social scientists use inferential statistics to generalize to populations after they have collected________.

The shape of the sampling distribution of sample means can be assumed to be normal when N is________.

The simple random sample requires________.

Statistics are to parameters as________.

With a sample size of 75, a normal sampling distribution can be assumed if________.

Compared to probability samples, nonprobability samples________.

The Central Limit Theorem states that as sample size becomes large________.

In a sampling distribution of sample means, most of the sample means will________.

A researcher is conducting a study by asking people shopping at a local mall about their opinions on gay marriage. The researcher is using:________.

As noted in the text, telemarketers often use________.

Your sample size is 1000. It is safe to assume that________.

The standard error of the mean is the same thing as________.

In systematic random sampling, the researcher randomly selects________.

Introduction

Basic Descriptive Statistics Tables Percentages Rates and Ratios and Graphs

Measures of Central Tendency

Measures of Variation

The Normal Curve

Estimation Procedures

Hypothesis Testing I the One Sample Case

Hypothesis Testing Ii the Two Sample Case

Hypothesis Testing Iii the Analysis of Variance

Hypothesis Testing Iv Chi Square

Bivariate Association for Nominal and Ordinal Level Variables

Association Between Variables Measured at the Interval Ratio Level

Elaborating Bivariate Tables

Partial Correlation and Multiple Regression and Correlation

Filters