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  1. AP Statistics
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Exploring One–Variable Data

Question 1
college-boardStatisticsAPExam Style
1 mark

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?

Question 2
college-boardStatisticsAPExam Style
1 mark

When summarizing survey results involving one categorical variable, what should you use to show proportions for all categories?

Question 3
college-boardStatisticsAPExam Style
1 mark

What impact does increasing sample size have when creating frequency tables for categorical data concerning student transportation methods to school?

Question 4
college-boardStatisticsAPExam Style
1 mark

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?

Question 5
college-boardStatisticsAPExam Style
1 mark

What is the purpose of using tallies (e.g., ||||) in a frequency table?

Question 6
college-boardStatisticsAPExam Style
1 mark

What impact does increased variation among outcomes have on interpreting relative frequencies in a single categorical variable's distribution?

Question 7
college-boardStatisticsAPExam Style
1 mark

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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Question 8
college-boardStatisticsAPExam Style
1 mark

Which of the following statements about relative frequency tables is true?

Question 9
college-boardStatisticsAPExam Style
1 mark

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?

Question 10
college-boardStatisticsAPExam Style
1 mark

What is the purpose of using relative frequencies in data analysis?