What is the mode of 1, 1, 3, 4, 6?

What is the mode of 1, 1, 3, 4, 6?
 
  a) 15
  b) 1
  c) 3
  d) 2

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If the two groups you are comparing are related to each other, what test should you use?
 
  a) factor analysis
  b) MANOVA
  c) t-test for independent means
  d) t-test for dependent means

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30. Use the information provided in the correlation matrix below to determine which of the following statements is FALSE.
 
  Phys Ed Reading Math Science
  Phys Ed 1.00 -0.12 0.10 0.06
  Reading -0.12 1.00 0.40 0.44
  Math 0.10 0.40 1.00 0.56
  Science 0.06 0.44 0.56 1.00
 
  a) The weakest correlation is between Reading and Physical Education.
  b) The strongest correlation is between Math and Science
  c) The coefficient of determination for Reading and Math is 0.16.
  d) The coefficient of alienation for Physical Education and Math is 0.99.

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What is the median of 2, 2, 2, 4, 6, 6, 6, and 6?
 
  a) 5
  b) 6
  c) 4.25
  d) 34

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What is the statistical test for examining the significant difference between two means from two unrelated groups?
 
  a) t-test for dependent means
  b) MANOVA
  c) t-test for independent means
  d) factor analysis