Practice Test GeeksCalifornia High School Proficiency Exam Practice Test
← All CHSPE Flashcard Decks

Data Analysis Flashcards

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

Read the first 7 Data Analysis flashcards as text

  1. A stem-and-leaf plot has stems 2, 3, 4 with leaves 2|5, 3|1 4 7, 4|0 2. What is the largest value in the data set?

    Answer: 42

    The stem 4 with leaf 2 gives the value 42, which is the largest value shown.

  2. Which of the following best describes a sample that is representative of a population?

    Answer: It reflects the diversity of the whole population

    A representative sample reflects the characteristics of the overall population, allowing valid generalizations.

  3. Data set: 3, 5, 5, 7, 9, 9, 9. What is the mode?

    Answer: 9

    The mode is 9 because it appears three times, more than any other value.

  4. A histogram shows most data clustered on the right side with a long tail extending to the left. This distribution is called:

    Answer: Left-skewed

    When the tail points to the left (lower values), the distribution is left-skewed (negatively skewed).

  5. If the probability of rain tomorrow is 0.35, what is the probability it will NOT rain?

    Answer: 0.65

    Complementary probability: 1 − 0.35 = 0.65.

  6. A class has test scores: 70, 75, 80, 85, 90. If a score of 50 is added, which measure changes the LEAST?

    Answer: Median

    Adding one low outlier shifts the mean significantly and increases the range, but the median changes only slightly.

  7. A pie chart shows that 30% of a school budget goes to sports. If the total budget is $500,000, how much goes to sports?

    Answer: $150,000

    30% of $500,000 = 0.30 × 500,000 = $150,000.