nj ask sample math test

Select the items described as population(P) or samples(S). I. Every fifth customer entering a shopping mall is asked to select her or his favorite store. II. The children in a locality of NewYork III. All the elephants in a zoo. => I - (S), II - (P), III - (P) or I - (P), II - (..

A surveyor wishes to know the most popular newspaper in Chicago. Which sampling method would he choose? => ask people at various malls in Chicago or ask his friends and Colleague or ask his mom or ask his neighbors..

A recent survey asked the people in a community if they thought that the US invasion of Iraq was justified. Fifty-six percent were in favor of US invading Iraq, forty percent were against the US invasion of Iraq, and four percent had no option. A random sample of 200 college stu..

Random samples of teachers were asked if their job was interesting. The results for 3 different years are presented in the table. 2000 2002 2004 Total Is interesting 280 247 292 819 Is not interesting 220 253 208 681 Total 500 500 500 1500 At α = 0.01, find the chi-square ..

What are the different types of sampling? => Direct sampling, indirect sampling, random sampling and systematic sampling. or Telephone survey, mail questionnaire, personal interview and direct observations. or Systematic sampling, unbiased..

Random Experiment and Sample Space - An experiment repeated under essentially homogeneous and similar conditions results in an outcome, which is unique or not unique but may be one of the several possible outcomes. When the result is unique then the experiment is called a 'deterministic' ..

An experiment repeated under essentially homogeneous and similar conditions results in an outcome, which is unique or not unique but may be one of the several possible outcomes. When the result is unique then the experiment is called a 'deterministic' experime..

What shall be the most important objective of selecting sample from a population? => Sample selection shall be cost saving. or Each subject in the population shall have an equally likely chance of being selected. or Maximum number of samples shall represent the populat..

What would be the sampling interval, if a systematic sample of 500 students has to be carried out in a university with an enrolled population of 10,000? => 50 or 20 or 1000 or 500..

Which of the following statements is/are true? I. The sampling distribution is a theoretical distribution of a sample statistic. II. Sampling distribution is same for each sample statistic. III. A sample distribution contains a finite number of scor..