The target population is all stocks in the S P 500
The target population is all stocks in the S&P 500 index. Is each of the following a parameter or a statistic?
a. The average price/earnings ratio for all 500 stocks in the S&P index.
b. The proportion of all stocks in the S&P 500 index that had negative earnings last year.
c. The proportion of energy-related stocks in a random sample of 50 stocks.
d. The average rate of return for 20 stocks recommended by a broker.
Membership TRY NOW
  • Access to 800,000+ Textbook Solutions
  • Ask any question from 24/7 available
    Tutors
  • Live Video Consultation with Tutors
  • 50,000+ Answers by Tutors
OR
Relevant Tutors available to help