Podcast
Questions and Answers
What is a variable in statistics?
What is a variable in statistics?
- A score of an individual
- A rank-order variable
- A fixed value
- A category with different values (correct)
Which type of variable is characterized by values that are categories rather than numbers?
Which type of variable is characterized by values that are categories rather than numbers?
- Equal-interval variable
- Nominal variable (correct)
- Ordinal variable
- Ratio scale variable
What does a ratio scale require to be considered as such?
What does a ratio scale require to be considered as such?
- Ranked values
- Grouped frequency table
- Equal-interval intervals
- Absolute zero point (correct)
What does an interval in a grouped frequency table represent?
What does an interval in a grouped frequency table represent?
What type of statistics focuses on summarizing a group of scores or making them more understandable?
What type of statistics focuses on summarizing a group of scores or making them more understandable?
Which type of variable has values that are ranks, like class standing or place finished in a race?
Which type of variable has values that are ranks, like class standing or place finished in a race?
What is the term for the range of values in a grouped frequency table that are grouped together?
What is the term for the range of values in a grouped frequency table that are grouped together?
Which scale of measurement is characterized by an absolute zero point indicating a complete absence of the variable?
Which scale of measurement is characterized by an absolute zero point indicating a complete absence of the variable?
What is the term for a numeric variable with values that are categories rather than numbers?
What is the term for a numeric variable with values that are categories rather than numbers?
What type of distribution is characterized by having one value clearly having a larger frequency than any other?
What type of distribution is characterized by having one value clearly having a larger frequency than any other?
In which distribution do the scores pile up on one side of the middle and are spread out on the other side?
In which distribution do the scores pile up on one side of the middle and are spread out on the other side?
What term describes a situation where many scores pile up at the low end of a distribution?
What term describes a situation where many scores pile up at the low end of a distribution?
Which type of distribution has two approximately equal frequencies, each clearly larger than any of the others?
Which type of distribution has two approximately equal frequencies, each clearly larger than any of the others?
What does kurtosis measure in terms of a frequency distribution?
What does kurtosis measure in terms of a frequency distribution?
