Podcast
Questions and Answers
Which type of variables are all subjective rating scales considered to be?
Which type of variables are all subjective rating scales considered to be?
- Nominal
- Ordinal (correct)
- Interval
- Ratio
What is the format typically used in Likert-scale variables?
What is the format typically used in Likert-scale variables?
- 1 to 10 scale
- 1 to 5 scale (correct)
- 0 to 100 scale
- A to F scale
What is the main characteristic of ordinal-level variables?
What is the main characteristic of ordinal-level variables?
- They have equal intervals between categories.
- They use numerical values only.
- They have a meaningful order but may not have uniform intervals. (correct)
- They do not have a logical order.
Who originally developed the Likert scales?
Who originally developed the Likert scales?
When combining ordinal-level variables together, what type of variable does the composite become?
When combining ordinal-level variables together, what type of variable does the composite become?
What is the purpose of Likert scales in health care quality studies?
What is the purpose of Likert scales in health care quality studies?
What do frequency distribution tables provide?
What do frequency distribution tables provide?
Why is it easier for readers to glean information from data organized into a table format?
Why is it easier for readers to glean information from data organized into a table format?
From Table 2-2 in the text, why is it not immediately obvious where the middle of the distribution lies?
From Table 2-2 in the text, why is it not immediately obvious where the middle of the distribution lies?
How does organizing data into a table format help in understanding outliers?
How does organizing data into a table format help in understanding outliers?
What does a cumulative frequency column in a frequency distribution table show?
What does a cumulative frequency column in a frequency distribution table show?
Why are frequency distribution tables important for understanding data?
Why are frequency distribution tables important for understanding data?
What is a key advantage of stem-and-leaf plots?
What is a key advantage of stem-and-leaf plots?
In a stem-and-leaf plot, where is the smallest stem located?
In a stem-and-leaf plot, where is the smallest stem located?
Why are stem-and-leaf plots best used with small data sets?
Why are stem-and-leaf plots best used with small data sets?
How are stems and leaves separated in a stem-and-leaf plot?
How are stems and leaves separated in a stem-and-leaf plot?
What is the age range for diabetes onset in the sample provided in Table 2-5?
What is the age range for diabetes onset in the sample provided in Table 2-5?
What is a strength of stem-and-leaf plots regarding the recording of data?
What is a strength of stem-and-leaf plots regarding the recording of data?
What information does a frequency distribution table show?
What information does a frequency distribution table show?
Which of the following is NOT typically included in a frequency distribution table?
Which of the following is NOT typically included in a frequency distribution table?
What does the term 'cumulative frequency' represent in a frequency distribution table?
What does the term 'cumulative frequency' represent in a frequency distribution table?
In the given body weight data, which observation has a squared weight of 31,684?
In the given body weight data, which observation has a squared weight of 31,684?
What is the purpose of creating a frequency distribution table from data?
What is the purpose of creating a frequency distribution table from data?
Which of the following is NOT typically shown in a frequency distribution table?
Which of the following is NOT typically shown in a frequency distribution table?
What is the difference between the largest and smallest values in a set of values known as?
What is the difference between the largest and smallest values in a set of values known as?
Which measure of dispersion is calculated by taking the square root of the variance?
Which measure of dispersion is calculated by taking the square root of the variance?
Which measure is considered more informative than the range in describing the variability of a set of values?
Which measure is considered more informative than the range in describing the variability of a set of values?
What does skewness quantify in a dataset?
What does skewness quantify in a dataset?
Which measure is the sum of the squared differences between each value and the mean, divided by the number of values minus 1?
Which measure is the sum of the squared differences between each value and the mean, divided by the number of values minus 1?
Which measure of dispersion is not as commonly used as the standard deviation?
Which measure of dispersion is not as commonly used as the standard deviation?
