Question 1

This type of chart is the simplest form of chart and is useful for presenting a measurement taken at several points over time.

Accepted Answer

Line charts are specifically designed to display data changes over time. It is easy to read and interpret the changes or trends in data through this type of chart. Bar charts and pie charts are not designed for time series data, and are more suitable for categorical or discrete data.

Question 2

If we conclude that the average weekly amount of soft drink consumption by males and females is about the same, but that the standard deviation among males is greater than that for females, what would this mean?

Accepted Answer

This means that on average, both males and females consume similar amounts of soft drinks per week. However, the fact that the standard deviation among males is greater than that for females indicates that there is more diversity in the amount of soft drinks consumed by males. In other words, while the average may be the same, there are more males who consume significantly more or less soft drinks than the average compared to females.

Question 3

The process of converting information into a form that can be read by a computer is known as _______.

Accepted Answer

D

Question 4

Checking to determine whether the proper screener questions were invoked would be part of which step in the data analysis procedure?

Accepted Answer

Validation involves checking the accuracy and completeness of the data, which would include ensuring that the proper screener questions were asked. The other options listed are unrelated to screener questions.

Question 5

The process of converting information to an electronic format.

Accepted Answer

Data entry involves the process of converting information to an electronic format, typically through manual input into a computer system or database. Editing involves revising or refining existing information, validating involves ensuring the accuracy and completeness of data, and research involves gathering new information through investigation or analysis.

Question 6

The process of ascertaining that interviews were actually conducted is known as:

Accepted Answer

Validation is the process of checking and verifying that interviews were actually conducted. Validation ensures that the data collected is accurate and reliable. It involves comparing the responses provided by the interviewer with the responses recorded in the data set. If there are discrepancies, they need to be resolved before the data is analyzed.

Question 7

Checking to be sure that all the questionnaires are filled out properly and completely is part of which step in the data analysis procedure?

Accepted Answer

Checking the completeness of the questionnaires is part of the first step in the data analysis procedure, which is data preparation.

Question 8

The sum of the values for all observations of a variable divided by the number of observations.

Accepted Answer

The definition provided is that of the mean, which is the most common measure of central tendency used in statistics.

Question 9

Which of the following is a table showing the number of respondents choosing each answer to the survey question?

Accepted Answer

A one-way frequency chart displays the frequency of responses for each answer option in a clear and concise manner. It is the most appropriate choice for showing the number of respondents choosing each answer in a survey. Cross tabulations and graph charts display more complex relationships and trends between variables, while a line chart is used to show the trend in data over time.

Question 10

During validation, the researcher confirms that a question wasn't answered. All respondents should have answered the question and there is no way to contact the respondent. What will the researcher do?

Accepted Answer

The researcher should discard the questionnaire because the missing answer makes the data incomplete and potentially unreliable, and there is no way to contact the respondent to rectify the issue.

Question 11

Which of the following is not a measure of dispersion?

Accepted Answer

Mean is a measure of central tendency, not a measure of dispersion. Standard deviation, variance, and range all measure how spread out or dispersed a data set is.

Question 12

Appropriate for displaying marketing research results in a wide range of situations.

Accepted Answer

The answer of Appropriate for displaying marketing research results in...

Question 13

Which type of analysis cannot be computed with nominal data?

Accepted Answer

Nominal data only represents categories or labels and cannot be quantified to calculate a mean. The mode, frequency, and percentage can all be calculated with nominal data.

Question 14

This measure of central tendency can be computed only from interval or ratio data.

Accepted Answer

The mean can only be computed from interval or ratio data as it involves calculations of the sum and division by the number of observations. The mode and median can be computed from any level of measurement. However, the mode may not always be meaningful or informative for interval or ratio data with multiple unique values, while the median may be less precise than the mean for large data sets.

Question 15

This analytical procedure shows the responses to one question relative to the responses of another question.

Accepted Answer

Cross tabulation is a statistical technique that shows the relationship between two or more variables. It helps to analyze the response of one question to the response of another question. Therefore, cross tabulation is the best choice for this analytical procedure.

Question 16

Which of the following is the most flexible type of graph?

Accepted Answer

The answer of Which of the following is the most...

Question 17

Which type of data entry ensures that data is entered properly?

Accepted Answer

Intelligent data entry uses algorithms and machine learning to ensure that the data entered is correct and accurate. This type of data entry can also recognize patterns and automatically fill in missing information.

Question 18

What is the first step in data analysis procedure?

Accepted Answer

The first step in data analysis procedure is validation and editing. This involves checking the completeness and accuracy of the data by identifying and correcting any errors, inconsistencies or missing values. It is important to ensure that the data collected is valid and usable for further analysis. Once the data has been validated and edited, the next steps in the analysis procedure can proceed, such as coding, tabulation and statistical analysis, and interpretation of the results.

Question 19

If the research firm is validating questionnaires by phone, they will want to make sure__________________.

Accepted Answer

All of these factors would be important to validate a questionnaire conducted over the phone. The research firm would want to make sure that the person being validated was actually interviewed, that the person qualified for the screening, that the interview was conducted in the required manner, and that the full survey was covered. Validating all of these factors would ensure the accuracy and reliability of the questionnaire results.

Question 20

The last step in the data analysis procedure is:

Accepted Answer

The answer of The last step in the data analysis...

Quiz 13: Data Processing, Data Analysis, and Statistical Testing