The term parameter (Multiple Choice)

The term parameter
 
  a. Applies only to sample statistics.
  b. Is synonymous with the term perimeter.
  c. Is used instead of the term statistic when referring to a summary statistic for an entire population.
  d. Can be used interchangeably with the term statistic regardless of whether we are referring to a sample or a population.

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The term degrees of freedom refers to how many values are free to vary in a set of values if we know the summary statistic and the number of values in the set.
 
  Indicate whether the statement is true or false

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As sample size increases:
 
  a. The probability of flukes in random selection or random assignment increases.
  b. The probability of flukes in random selection or random assignment decreases.
  c. Sampling error increases.
  d. Sampling error is unaffected