Buy Guided PSYC 354 Quiz 2 Central Tendency

Buy Guided PSYC 354 Quiz 2 Central Tendency

  1. A researcher records the list of finishes (e.g., 1st, 2nd, 3rd, 4th) for a track team throughout their season. The mean is the best measure of the central tendency to report in this circumstance to describe the most typical finish for this track team.
  2. The value of = 9 in the distribution below is the _____.
  3. A sample has a mean of = 50. If one new person is added to this sample, what effect will this have on the sample mean?
  4. A sample of scores has a mean of = 20, a median of 28, and a mode of 29. What is the most likely shape for the sample distribution?
  5. Skewed distributions, open-ended distributions, or discrete variables are situations for which the mean cannot be calculated or for which the mean may not be the best measure of central tendency to utilize.
  6. For any distribution of sample scores, at least one individual will have a score exactly equal to the mode.
  7. A researcher assesses eye color for a sample of = 50 people. Which measure of central tendency would be appropriate to summarize the measurements of eye color collected for this sample?
  8. Which statement below must be false regarding the distribution of scores?
  9. Consider a 100-point college exam for which there is a large number of students that perform extremely well, as well as a large number of students that perform extremely poorly. Which statement below is true?
  10. A sample of = 8 scores has a mean of = 16. For this sample, Σ= 128.
  11. What is the value of the median for the following set of scores? Scores: 1, 4, 6, 7, 9, 15, 15, 16, 25, 30
  12. What is the mean for the following sample of scores? Scores: 2, 4, 5, 9
  13. A student takes a 10-point quiz each week in statistics class. If the student’s quiz scores for the first three weeks are 10, 8, and 8, then the mean score
    is = 9.
  14. What is the median for the population of scores presented in the frequency distribution table below?
  15. What is the mode for the population of scores shown in the frequency distribution table?

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