Question 1

Your codebook contains codes 1, 2, and 9 for the variable "religion." Your data show a single code of 5 in the distribution on religion. You should​

Accepted Answer

Since the codebook only includes codes 1, 2, and 9 for the variable "religion," a code of 5 is not a possible option. Therefore, it is likely an error and should be cleaned using possible-code cleaning.

Question 2

Grouped data are created through the combination of attributes of a variable.

Accepted Answer

Grouped data is created by combining or grouping together values of a variable based on certain attributes, such as ranges or categories.

Question 3

The mean or median can be used to describe the central tendency of the variable "ethnicity."

Accepted Answer

The variable "ethnicity" is a categorical variable and cannot be measured in numerical values, so it does not make sense to use mean or median as measures of central tendency. Instead, we would use mode to describe the most frequently occurring ethnicity in the sample.

Question 4

Which of the following statements is true about data processing?​

Accepted Answer

​ Using possible code cleaning, you examine the distribution of responses to each item to see if some responses exist for codes you didn't use. This statement is true, as it is a step in data processing to ensure data accuracy and completeness. The other statements are false, as data analyses need to be planned and performed strategically, computers do not always correct errors, and immediate analysis may not be feasible or necessary.

Question 5

The most frequent attribute, in either grouped or ungrouped data, is the​

Accepted Answer

The mode is the most frequent attribute in a data set, regardless of whether it is grouped or ungrouped data. The mean and median may not represent the most common value, and the range is not a measure of frequency. The term "marginal" is not relevant in this context.

Question 6

A bivariate table is read by comparing the independent variablesubgroups with one another in terms of a given attribute of thedependent variable.

Accepted Answer

A bivariate table provides a comparison of independent variable subgroups in relation to a specific attribute of the dependent variable. Therefore, the statement is true.

Question 7

Half the cases are above the median and half the cases are below the median.

Accepted Answer

This is a fundamental property of the median.

Question 8

The range is smaller than the interquartile range.

Accepted Answer

The range is the difference between the maximum and minimum values in a dataset, while the interquartile range is the difference between the upper quartile and lower quartile. Since the maximum and minimum values are included in the dataset, the range will always be greater than or equal to the interquartile range. Therefore, the statement is false.

Question 9

An interval variable is a discrete variable.

Accepted Answer

An interval variable is a type of continuous variable, which can take any value within a specific range or interval. It is not a discrete variable, which can take only specific, distinct values.

Question 10

The following is an acceptable coding scheme for the variable "religion": 1=Protestant, 2=Catholic, 3=Jewish, 9=Not reported.

Accepted Answer

The answer of The following is an acceptable coding scheme...

Question 11

Coding refers to​

Accepted Answer

Coding in research refers to the process of assigning a number or numeral to the attributes of a variable to facilitate data analysis.

Question 12

The mean is almost always sufficient in portraying the typical case in a distribution.

Accepted Answer

The mean can be influenced by outliers in a distribution, leading to a skewed representation of the typical case. In these instances, using the median may be a more appropriate measure of the central tendency.

Question 13

In a well-constructed table, readers will have to read the narrative text of the report before they will be able to tell what each variable in the table is and interpret the overall meaning of the table.

Accepted Answer

A well-constructed table should have clear and concise labels for each variable, allowing readers to interpret the table without reading the narrative text. However, reading the narrative text may provide additional context and insights that enhance the understanding of the table.

Question 14

Univariate analysis is the examination of the distribution of cases on only one variable at a time.​

Accepted Answer

Univariate analysis focuses on one variable at a time, making it a true statement.

Question 15

A codebook is a guide for locating variables and interpreting entries in one's data file.

Accepted Answer

A codebook provides information about variables in a data file, including their names, descriptions, and values. It serves as a guide for researchers to understand and analyze the data.

Question 16

The following line of coded data applies to the codebook given in question 5:121. This line of codes​

Accepted Answer

The code "121" breaks down as follows:

1. Full-time status
2. Female gender
3. Direct practice concentration

Therefore, the line of code represents a full-time female student with a direct practice concentration.

Question 17

The following information was found in a codebook about social work students: 
-Which of the following statements is true concerning the codebook?

Accepted Answer

The code "11ea5981_f92b_5082_b87f_a7816aeb6c78" is likely a random alphanumeric code and does not provide information about the variables in the codebook. However, the fact that gender has been coded as mutually exclusive and exhaustive suggests that option B is true. The codebook does not provide information about concentration or any other variables.

Question 18

Which of the following illustrates a grouped data frequency distribution?​

Accepted Answer

The given information in option C shows a frequency distribution with grouped data, as the ages of the female students are arranged in categories and the frequency of students in each category is given. Options A and B provide information about a single group of individuals, while option D suggests that none of the given options illustrate a grouped data frequency distribution.

Question 19

No detail is lost when using an ungrouped frequency distribution.

Accepted Answer

An ungrouped frequency distribution shows each individual data value, so no detail is lost.

Question 20

Which of the following guidelines should be kept in mind when coding?​

Accepted Answer

The coding scheme should be appropriate to the analysis intended in the study to ensure that the data is accurately coded and can be analyzed appropriately. The other options are not true - data should be coded in enough detail for the intended analysis, the reliability of coders should be established and codes can be generated from existing data.

Quiz 21: Descriptive Data Analysis

Your codebook contains codes 1, 2, and 9 for the variable "religion." Your data show a single code of 5 in the distribution on religion. You should​

Grouped data are created through the combination of attributes of a variable.

The mean or median can be used to describe the central tendency of the variable "ethnicity."

Which of the following statements is true about data processing?​

The most frequent attribute, in either grouped or ungrouped data, is the​

A bivariate table is read by comparing the independent variablesubgroups with one another in terms of a given attribute of thedependent variable.

Half the cases are above the median and half the cases are below the median.

The range is smaller than the interquartile range.

An interval variable is a discrete variable.

The following is an acceptable coding scheme for the variable "religion": 1=Protestant, 2=Catholic, 3=Jewish, 9=Not reported.

Coding refers to​

The mean is almost always sufficient in portraying the typical case in a distribution.

In a well-constructed table, readers will have to read the narrative text of the report before they will be able to tell what each variable in the table is and interpret the overall meaning of the table.

Univariate analysis is the examination of the distribution of cases on only one variable at a time.​

A codebook is a guide for locating variables and interpreting entries in one's data file.

The following line of coded data applies to the codebook given in question 5:121. This line of codes​

The following information was found in a codebook about social work students: -Which of the following statements is true concerning the codebook?

Which of the following illustrates a grouped data frequency distribution?​

No detail is lost when using an ungrouped frequency distribution.

Which of the following guidelines should be kept in mind when coding?​

Your codebook contains codes 1, 2, and 9 for the variable "religion." Your data show a single code of 5 in the distribution on religion. You should

Which of the following statements is true about data processing?

The most frequent attribute, in either grouped or ungrouped data, is the

Coding refers to

Univariate analysis is the examination of the distribution of cases on only one variable at a time.

The following line of coded data applies to the codebook given in question 5:121. This line of codes

Which of the following illustrates a grouped data frequency distribution?

Which of the following guidelines should be kept in mind when coding?