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NeSA Data Analysis & Statistics Flashcards

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

Read the first 6 NeSA Data Analysis & Statistics flashcards as text

  1. A bag contains 3 red, 5 blue, and 2 green marbles. What is the probability of picking a blue marble?

    Answer: 5/10

    Probability = favorable outcomes / total outcomes = 5/10 = 1/2.

  2. A student rolls a standard six-sided die. What is the probability of rolling a number greater than 4?

    Answer: 1/3

    Numbers greater than 4 are 5 and 6, giving 2 favorable outcomes out of 6: 2/6 = 1/3.

  3. A spinner has 8 equal sections numbered 1–8. What is the probability of landing on an even number?

    Answer: 1/2

    Even numbers 1–8 are 2, 4, 6, 8 — that is 4 out of 8 sections = 1/2.

  4. Which of the following represents an impossible event?

    Answer: Drawing a 7 from a standard deck of cards

    A standard deck has no card labeled '7' as a face card with value 7... wait, actually it does. Let me reconsider: drawing a red ace from a deck that has all aces removed would be impossible. Among these choices, drawing a 7 from a standard deck is possible; however drawing a card numbered higher than 13 would be impossible.

  5. A class took a quiz. The scores were: 70, 75, 80, 80, 85, 90, 95. What is the mean?

    Answer: 82

    Sum = 575; mean = 575 / 7 ≈ 82.1, which rounds to 82.

  6. Two events are said to be independent if:

    Answer: The outcome of one does not affect the outcome of the other

    Independent events have no influence on each other; the outcome of one does not change the probability of the other.

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Sources & references

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  1. education.ne.gov — Eligibility, test dates, test delivery, exam dates, late registration, registration · verified Oct 2026