When people purchase stadium seating, they often choose based on section letters, with the A-section ...

When people purchase stadium seating, they often choose based on section letters, with the A-section closest to the field, the B-section a bit further, etc. A sample of tickets sold would best be summarized by the _____.
 
  a. mode
  b. median
  c. mean
  d. We do not have enough information to decide.

Question 2

When the standard deviation of the entire distribution of random sample
  means had been calculated, the resulting value is called
 
  a. the deviation score
  b. the parameter mean
  c. the standard error of the mean
  d. sampling error

Question 3

represents
 
  a. the standard error of the mean difference.
  b. the standard error of the difference between means.
  c. variance pooled.
  d. faulty logic.