Practice Test Geeks(LANTITE) Literacy and Numeracy Test for Initial Teacher Practice Test
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Statistics and Probability Flashcards

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

Read the first 6 Statistics and Probability flashcards as text

  1. What is the mean of the numbers 4, 7, 9, 12 and 13?

    Answer: 9

    The sum is 45, and 45 ÷ 5 = 9.

  2. What is the median of the data set 2, 3, 5, 8, 10, 12?

    Answer: 6.5

    With an even number of values, the median is the average of the two middle values: (5 + 8) ÷ 2 = 6.5.

  3. A bag holds 4 red, 6 blue and 5 green counters. One counter is drawn at random. What is the probability it is NOT blue?

    Answer: 3/5

    There are 15 counters and 9 are not blue, so the probability is 9/15 = 3/5.

  4. What is the mode of 2, 3, 3, 5, 7, 3, 9?

    Answer: 3

    The mode is the most frequent value. 3 appears three times.

  5. A pie chart shows that 25% of 480 students walk to school. How many students walk?

    Answer: 120

    25% is one quarter, and 480 ÷ 4 = 120.

  6. Which measure of central tendency is most affected by an extreme outlier?

    Answer: Mean

    The mean uses every value in its calculation, so one extreme value pulls it up or down. The median and mode are far less affected.

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Sources & references

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