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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 class recorded the following test scores: 72, 85, 90, 68, 85, 91, 85. What is the mode of this data set?

    Answer: 85

    The mode is 85 because it appears more times (3 times) than any other value in the data set.

  2. A bar graph shows that 12 students prefer soccer, 8 prefer basketball, and 5 prefer baseball. How many students were surveyed in total?

    Answer: 25

    Adding all values together: 12 + 8 + 5 = 25 students total.

  3. The temperatures for a week were: 55, 60, 58, 62, 65, 63, 61. What is the median temperature?

    Answer: 62

    When arranged in order (55, 58, 60, 61, 62, 63, 65), the middle value (4th of 7) is 62.

  4. A spinner has 8 equal sections: 3 red, 2 blue, 2 green, and 1 yellow. What is the probability of spinning blue?

    Answer: 1/4

    There are 2 blue sections out of 8 total, so the probability is 2/8 = 1/4.

  5. Which type of graph is BEST for showing how a quantity changes over time?

    Answer: Line graph

    A line graph is best for showing change over time because it clearly displays trends and patterns across a continuous period.

  6. A set of data has a mean of 15. The values are 12, 18, 14, and x. What is x?

    Answer: 16

    The mean = (12 + 18 + 14 + x) / 4 = 15, so 44 + x = 60, meaning x = 16.

  7. A stem-and-leaf plot shows stems of 4, 5, 6, and 7 with leaves. What does the stem 5 | 3 7 represent?

    Answer: The numbers 53 and 57

    In a stem-and-leaf plot, stem 5 with leaves 3 and 7 represents the values 53 and 57.