Question 1

Histograms are used to

Accepted Answer

A) investigate the relation between two variables. 
B) construct cumulative distribution functions. 
C) construct cross tabulation tables. 
D) determine the distribution of nonresponse errors. 
E) determine the empirical distribution of a variable. 
A) investigate the relation between two variables. 
B) construct cumulative distribution functions. 
C) construct cross tabulation tables. 
D) determine the distribution of nonresponse errors. 
E) determine the empirical distribution of a variable.

Question 2

Exhibit 19.3 Use the information below to answer the questions.
A major car manufacturer was interested in whether its midsize car was selling consistently in two markets with respect to the annual income of the car purchasers.500 new car buyers in Chicago and Miami were surveyed.In Chicago the following pattern was observed:
  Among those surveyed in Miami,20 earned under $20,000;70 earned between $20,000 and $30,000;265 earned between $30,000 and $40,000;125 earned between $40,000 and $50,000;and 20 earned more than $50,000.
Refer to Exhibit 19.3.Using the data provided,the calculated value of c2 =

Accepted Answer

A) 0.883 
B) 36.30 
C) 11.95 
D) -0.542 
E) Not enough information is provided to calculate the value. 
A) 0.883 
B) 36.30 
C) 11.95 
D) -0.542 
E) Not enough information is provided to calculate the value.

Question 3

Exhibit 19.2   Refer to Exhibit 19.2.What is the sample standard deviation?

Accepted Answer

A) 0.4318 
B) 0.3246 
C) 0.6571 
D) 1.0239 
E) Can't be determined from the table. 
A) 0.4318 
B) 0.3246 
C) 0.6571 
D) 1.0239 
E) Can't be determined from the table.

Question 4

Exhibit 19.6 120 field mice are weighed.The average weight of a mouse is 225 grams and the sample standard deviation is 15.1 grams.
Refer to Exhibit 19.6.The conclusion is

Accepted Answer

A) The mean weight of a field mouse is greater than 235 grams. 
B) The mean weight of a field mouse is less than 235 grams. 
C) Estimate a point mean of 235 grams. 
D) The mean weight of a field mouse is less than 225 grams. 
E) None of the above are correct. 
A) The mean weight of a field mouse is greater than 235 grams. 
B) The mean weight of a field mouse is less than 235 grams. 
C) Estimate a point mean of 235 grams. 
D) The mean weight of a field mouse is less than 225 grams. 
E) None of the above are correct.

Question 5

An observation that is very different in magnitude from the rest of the observations for a particular variable is a(n)

Accepted Answer

A) error. 
B) blunder. 
C) histogram. 
D) outlier. 
E) deviant. 
A) error. 
B) blunder. 
C) histogram. 
D) outlier. 
E) deviant.

Question 6

Which statement(s)pertaining to the chi-square distribution is FALSE?

Accepted Answer

A) The chi-square distribution is completely determined by its degrees of freedom. 
B) The variable of interest is broken into k mutually exclusive categories. 
C) The expected number falling into a category is generated from the null hypothesis. 
D) Chi-square degrees of freedom is given by k - 2. 
E) The chi-square is appropriate for independent trials. 
A) The chi-square distribution is completely determined by its degrees of freedom. 
B) The variable of interest is broken into k mutually exclusive categories. 
C) The expected number falling into a category is generated from the null hypothesis. 
D) Chi-square degrees of freedom is given by k - 2. 
E) The chi-square is appropriate for independent trials.

Question 7

To calculate sampling error for a proportion,which of the following pieces of information is NOT needed?

Accepted Answer

A) The z-score representing the desired degree of confidence. 
B) The number of valid cases overall for the proportion. 
C) The sample standard deviation. 
D) The relevant proportion obtained from the sample. 
E) All of the above are relevant and necessary pieces of information for the calculation of sampling error for a proportion. 
A) The z-score representing the desired degree of confidence. 
B) The number of valid cases overall for the proportion. 
C) The sample standard deviation. 
D) The relevant proportion obtained from the sample. 
E) All of the above are relevant and necessary pieces of information for the calculation of sampling error for a proportion.

Question 8

To test directional hypotheses,you would use a two-tailed test.

Accepted Answer

A) True 
 B)False

Question 9

The one-tailed test is commonly used in marketing research because

Accepted Answer

A) there is typically some hypothesized or preferred direction to the outcome. 
B) it is more powerful statistically than the two-tailed alternative. 
C) it is easier to calculate than the two-tailed alternative. 
D) Both a and b. 
E) a,b,and c. 
A) there is typically some hypothesized or preferred direction to the outcome. 
B) it is more powerful statistically than the two-tailed alternative. 
C) it is easier to calculate than the two-tailed alternative. 
D) Both a and b. 
E) a,b,and c.

Question 10

A researcher calculates a chi-square test statistic of 8.56.At a = .05 and n = 3,the critical value of the chi-square statistic is 7.81.What is the appropriate statistical conclusion?

Accepted Answer

A) Reject the null hypothesis. 
B) Can't determine;not enough information given. 
C) Fail to reject the null hypothesis. 
D) Reject the alternative hypothesis. 
E) Conclude that the null hypothesis is true. 
A) Reject the null hypothesis. 
B) Can't determine;not enough information given. 
C) Fail to reject the null hypothesis. 
D) Reject the alternative hypothesis. 
E) Conclude that the null hypothesis is true.

Question 11

Exhibit 19.1   Refer to Exhibit 19.1.The median income in the above figure is

Accepted Answer

A) $10,000. 
B) $20,000. 
C) $30,000. 
D) $50,000. 
E) $100,000. 
A) $10,000. 
B) $20,000. 
C) $30,000. 
D) $50,000. 
E) $100,000.

Question 12

The logic of hypothesis testing is that if we assume that the hypothesized value is the population parameter,then,at the 95% level of confidence,if we took 100 separate samples,the z-value for 95 of those samples would fall between + or - 1.96.

Accepted Answer

A) True 
 B)False

Question 13

The arithmetic mean value across all responses for a variable is called the ____________________ mean.

Accepted Answer

The answer of The arithmetic mean value across all responses...

Question 14

Which of the following would be an appropriate interpretation of a p-value?

Accepted Answer

A) A p-value of p < 0.0001 is 'highly significant' and therefore much more valid than a p value of 0.05. 
B) When a null hypothesis is rejected at some predetermined p level,sampling error is an unlikely explanation of the results,given that the null hypothesis is true. 
C) When a p-value shows significance,managerial and practical significance can be assumed. 
D) The probability that the research hypothesis is true is equal to 1 minus the p-value. 
E) A p-value represents the probability that the results occurred because of sampling error. 
A) A p-value of p < 0.0001 is 'highly significant' and therefore much more valid than a p value of 0.05. 
B) When a null hypothesis is rejected at some predetermined p level,sampling error is an unlikely explanation of the results,given that the null hypothesis is true. 
C) When a p-value shows significance,managerial and practical significance can be assumed. 
D) The probability that the research hypothesis is true is equal to 1 minus the p-value. 
E) A p-value represents the probability that the results occurred because of sampling error.

Question 15

The one-way tabulation does NOT serve as a basic input for which of the following?

Accepted Answer

A) Histogram 
B) Frequency polygon 
C) Empirical cumulative distribution function 
D) Calculating summary statistics 
E) The development of a codebook 
A) Histogram 
B) Frequency polygon 
C) Empirical cumulative distribution function 
D) Calculating summary statistics 
E) The development of a codebook

Question 16

Exhibit 19.6 120 field mice are weighed.The average weight of a mouse is 225 grams and the sample standard deviation is 15.1 grams.
Refer to Exhibit 19.6.What is the 95% confidence interval for the average weight of a field mouse? (z = 1.96)

Accepted Answer

A) 222 to 228 grams 
B) 217 to 223 grams 
C) 221 to 229 grams 
D) 240 to 245 grams 
E) None of the above are correct. 
A) 222 to 228 grams 
B) 217 to 223 grams 
C) 221 to 229 grams 
D) 240 to 245 grams 
E) None of the above are correct.

Question 17

Which of the following is true regarding the standard deviation?

Accepted Answer

A) It indicates the degree of variation in the values in such a way as to be translatable into a normal curve. 
B) One standard deviation above and below the midpoint in a normal distribution includes approximately 68% of the area underneath the curve. 
C) + or - 1.96 standard deviations above and below the midpoint in a normal distribution includes 95% of the area underneath the curve. 
D) The standard deviation can be approximated by dividing the range of the data by 6. 
E) All of the above are correct. 
A) It indicates the degree of variation in the values in such a way as to be translatable into a normal curve. 
B) One standard deviation above and below the midpoint in a normal distribution includes approximately 68% of the area underneath the curve. 
C) + or - 1.96 standard deviations above and below the midpoint in a normal distribution includes 95% of the area underneath the curve. 
D) The standard deviation can be approximated by dividing the range of the data by 6. 
E) All of the above are correct.

Question 18

Exhibit 19.5   Refer to Exhibit 19.5.The estimated value of the standard error of the mean (   )is

Accepted Answer

A) 0.6. 
B) 0.9. 
C) 1.6. 
D) 2.6. 
E) 3.0. 
A) 0.6. 
B) 0.9. 
C) 1.6. 
D) 2.6. 
E) 3.0.

Question 19

Because ____ and ____ measures are similar when it comes to analysis,many researchers refer to both types as continuous measures.

Accepted Answer

A) interval,ratio 
B) nominal,interval 
C) ordinal,ratio 
D) nominal,ordinal 
E) ratio,nominal 
A) interval,ratio 
B) nominal,interval 
C) ordinal,ratio 
D) nominal,ordinal 
E) ratio,nominal

Histograms are used to

Exhibit 19.2 Refer to Exhibit 19.2.What is the sample standard deviation?

Exhibit 19.6 120 field mice are weighed.The average weight of a mouse is 225 grams and the sample standard deviation is 15.1 grams. Refer to Exhibit 19.6.The conclusion is

An observation that is very different in magnitude from the rest of the observations for a particular variable is a(n)

Which statement(s)pertaining to the chi-square distribution is FALSE?

To calculate sampling error for a proportion,which of the following pieces of information is NOT needed?

To test directional hypotheses,you would use a two-tailed test.

The one-tailed test is commonly used in marketing research because

A researcher calculates a chi-square test statistic of 8.56.At a = .05 and n = 3,the critical value of the chi-square statistic is 7.81.What is the appropriate statistical conclusion?

Exhibit 19.1 Refer to Exhibit 19.1.The median income in the above figure is

The logic of hypothesis testing is that if we assume that the hypothesized value is the population parameter,then,at the 95% level of confidence,if we took 100 separate samples,the z-value for 95 of those samples would fall between + or - 1.96.

The arithmetic mean value across all responses for a variable is called the ____________________ mean.

Which of the following would be an appropriate interpretation of a p-value?

The one-way tabulation does NOT serve as a basic input for which of the following?

Exhibit 19.6 120 field mice are weighed.The average weight of a mouse is 225 grams and the sample standard deviation is 15.1 grams. Refer to Exhibit 19.6.What is the 95% confidence interval for the average weight of a field mouse? (z = 1.96)

Which of the following is true regarding the standard deviation?

Exhibit 19.5 Refer to Exhibit 19.5.The estimated value of the standard error of the mean ( )is

Because and measures are similar when it comes to analysis,many researchers refer to both types as continuous measures.

The Role of Marketing Research

Gathering Marketing Intelligence: The Systems Approach

Gathering Marketing Intelligence: The Project Approach

Problem Formulation

Types of Research Design and Exploratory Research

Descriptive and Causal Research Designs

Secondary Data

Standardized Marketing Information Services

Collecting Primary Data

Collecting Information by Communication

Collecting Information by Observation

Asking Good Questions: Measurement Basics

Measuring Attitudes and Other Variables

Designing the Questionnaire or Observation Form

Developing the Sampling Plan

Determining Sample Size

Collecting the Data: Nonsampling Errors and Response Rate Calculation

Data Analysis: Preliminary Steps

Data Analysis: Analyzing Multiple Variables Simultaneously

The Research Report

Filters

Exam 19: Data Analysis: Analyzing Individual Variables and Basics of Hypothesis Testing

Histograms are used to

Exhibit 19.2 Refer to Exhibit 19.2.What is the sample standard deviation?

Exhibit 19.6 120 field mice are weighed.The average weight of a mouse is 225 grams and the sample standard deviation is 15.1 grams. Refer to Exhibit 19.6.The conclusion is

An observation that is very different in magnitude from the rest of the observations for a particular variable is a(n)

Which statement(s)pertaining to the chi-square distribution is FALSE?

To calculate sampling error for a proportion,which of the following pieces of information is NOT needed?

To test directional hypotheses,you would use a two-tailed test.

The one-tailed test is commonly used in marketing research because

A researcher calculates a chi-square test statistic of 8.56.At a = .05 and n = 3,the critical value of the chi-square statistic is 7.81.What is the appropriate statistical conclusion?

Exhibit 19.1 Refer to Exhibit 19.1.The median income in the above figure is

The logic of hypothesis testing is that if we assume that the hypothesized value is the population parameter,then,at the 95% level of confidence,if we took 100 separate samples,the z-value for 95 of those samples would fall between + or - 1.96.

The arithmetic mean value across all responses for a variable is called the ____________________ mean.

Which of the following would be an appropriate interpretation of a p-value?

The one-way tabulation does NOT serve as a basic input for which of the following?

Exhibit 19.6 120 field mice are weighed.The average weight of a mouse is 225 grams and the sample standard deviation is 15.1 grams. Refer to Exhibit 19.6.What is the 95% confidence interval for the average weight of a field mouse? (z = 1.96)

Which of the following is true regarding the standard deviation?

Exhibit 19.5 Refer to Exhibit 19.5.The estimated value of the standard error of the mean ( )is

Because ____ and ____ measures are similar when it comes to analysis,many researchers refer to both types as continuous measures.

The Role of Marketing Research

Gathering Marketing Intelligence: The Systems Approach

Gathering Marketing Intelligence: The Project Approach

Problem Formulation

Types of Research Design and Exploratory Research

Descriptive and Causal Research Designs

Secondary Data

Standardized Marketing Information Services

Collecting Primary Data

Collecting Information by Communication

Collecting Information by Observation

Asking Good Questions: Measurement Basics

Measuring Attitudes and Other Variables

Designing the Questionnaire or Observation Form

Developing the Sampling Plan

Determining Sample Size

Collecting the Data: Nonsampling Errors and Response Rate Calculation

Data Analysis: Preliminary Steps

Data Analysis: Analyzing Multiple Variables Simultaneously

The Research Report

Filters

Because and measures are similar when it comes to analysis,many researchers refer to both types as continuous measures.