Exploring One–Variable Data
What statistical approach should be utilized to determine whether city district is independent of restaurant type preferences as displayed in a cross-tabulation when no specific pattern is hypothesized?
When summarizing survey results involving one categorical variable, what should you use to show proportions for all categories?
What impact does increasing sample size have when creating frequency tables for categorical data concerning student transportation methods to school?
In a frequency table displaying the favorite ice cream flavors of 100 students, if "chocolate" accounts for 22% of the responses, how many students chose "chocolate" as their favorite flavor?
What is the purpose of using tallies (e.g., ||||) in a frequency table?
What impact does increased variation among outcomes have on interpreting relative frequencies in a single categorical variable's distribution?
When comparing percentages across different categories within a contingency table, why would one use column percentages instead of raw data counts?
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Which of the following statements about relative frequency tables is true?
If an analysis involves several responses per subject across different treatment conditions in order to compare response rates among treatments what appropriate design should statisticians consider?
What is the purpose of using relative frequencies in data analysis?