Multiple Choice
In a class rank context, what does it mean if a student is in the first quartile (Q1) of the class?
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3. Describing Data Numerically
Percentiles & Quartiles
Back3. Describing Data Numerically
Percentiles & Quartiles
- Multiple ChoiceIn a distribution of exam scores, what does it mean for a student to be at the 95th percentile?2views
- Multiple ChoiceIn a distribution of exam scores, what does it mean for a student’s score to be at the 16th percentile?2views
- Multiple ChoiceIn a dataset, what does it mean to say that a value is at the 83rd percentile?2views
- Multiple ChoiceOn a PSAT score report, what does the percentile associated with a student's score represent?
- Multiple ChoiceIn a distribution of test scores, what does it mean if a student’s score is at the 88th percentile?1views
- Textbook Question
Building Basic Skills and Vocabulary
The length of a guest lecturer’s talk represents the third quartile for talks in a guest lecture series. Make an observation about the length of the talk.
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A student’s test grade of 75 represents the 65th percentile of the grades. What percent of students scored higher than 75?
156views - Multiple ChoiceOn Spotify, a message says you are in the “top 0.5%” of listeners for an artist. What does this mean?1views
- Multiple ChoiceIn the context of class rank, what does it mean for a student to be in the 3rd quintile?1views
- Multiple ChoiceIn a data set, what does it mean to say that a value is the exact first quartile (Q1)?1views
- Multiple Choice
Answer the questions below using the data in the table.
(A) Find
(B) A playlist with 15 songs is in which percentile?
(C) Find Q1 and Q3
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Interpreting Percentiles In Exercises 29–32, use the ogive, which represents the cumulative frequency distribution for quantitative reasoning scores on the Graduate Record Examination in a recent range of years. (Adapted from Educational Testing Service)
What percentile is a score of 170? How should you interpret this?
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True or False? In Exercises 7–10, determine whether the statement is true or false. If it is false, rewrite it as a true statement.
The second quartile is the mean of an ordered data set.
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Using and Interpreting Concepts
Using and Interpreting Concepts Finding Quartiles, Interquartile Range, and Outliers In Exercises 11 and 12,
(a) find the quartiles
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