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PSSA Data Analysis and Statistics Flashcards

7 cards from real PSSA practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 PSSA Data Analysis and Statistics flashcards as text

  1. A line plot shows the number of books read: × above 1, 2, 3, 4, 5. There are 3 X's above 3 and 2 X's above 5. What does this data tell us?

    Answer: More students read 3 books than 5 books

    The 3 X's above 3 compared to 2 X's above 5 show that more students read exactly 3 books than 5 books.

  2. The mean of five numbers is 12. Four of the numbers are 10, 14, 11, and 13. What is the fifth number?

    Answer: 12

    The total sum must be 5 × 12 = 60; the four known numbers sum to 48, so the fifth number is 60 - 48 = 12.

  3. A pictograph uses a symbol of a book to represent 5 students. If a row shows 4 books, how many students does it represent?

    Answer: 20

    Each book symbol represents 5 students, and 4 symbols × 5 = 20 students.

  4. Which of the following is a correct definition of 'probability'?

    Answer: The likelihood that an event will occur

    Probability is defined as the measure of the likelihood or chance that a specific event will occur.

  5. A scatterplot shows a positive correlation between hours studied and test scores. What does this mean?

    Answer: As hours studied increase, test scores also increase

    A positive correlation means both variables increase together — as hours studied go up, test scores tend to go up as well.

  6. A student rolls a standard number cube (1–6). What is the probability of rolling a number greater than 4?

    Answer: 1/3

    Numbers greater than 4 are 5 and 6 — that's 2 outcomes out of 6 total, so P = 2/6 = 1/3.

  7. Two students each survey 20 classmates about their favorite color. Student A gets results that are very spread out; Student B's results are clustered near one value. Which student's data has a smaller range?

    Answer: Student B

    Student B's data is clustered near one value, meaning the difference between the highest and lowest values is small, resulting in a smaller range.