Edexcel S2 2002 January — Question 1

Exam BoardEdexcel
ModuleS2 (Statistics 2)
Year2002
SessionJanuary
TopicCentral limit theorem
TypeSampling distribution theory

  1. Explain what you understand by
    1. a population,
    2. a statistic.
    A questionnaire concerning attitudes to classes in a college was completed by a random sample of 50 students. The students gave the college a mean approval rating of 75\%.
  2. Identify the population and the statistic in this situation.
  3. Explain what you understand by the sampling distribution of this statistic.