Purchase Solution

Random Sample

Not what you're looking for?

Ask Custom Question

In this there is a two-step procedure to select a simple random sample of 30 EAI managers. Use this procedure to select a simple random sample of 50 EAI managers.

Attachments
Purchase this Solution
Solution Preview

Here is one way of selecting a random sample of 30 in Excel. We can use a binomial random variable to select 30 of the managers at random out of the total of 2500. The random variable will return a 1 or a 0 in a certain proportion based on the probability that we enter. Here the probability used is 30/2500 = 0.012 for a value of 1 and 2470/2500 = 0.988 for a ...

Purchase this Solution
Free BrainMass Quizzes
Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.

Measures of Central Tendency

This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.

Measures of Central Tendency

Tests knowledge of the three main measures of central tendency, including some simple calculation questions.

Know Your Statistical Concepts

Each question is a choice-summary multiple choice question that presents you with a statistical concept and then 4 numbered statements. You must decide which (if any) of the numbered statements is/are true as they relate to the statistical concept.

View More Free Quizzes
Related BrainMass Solutions

  • Sample Functions: The Mean Value of the Random Variable

    A sample function from a random process is generated by summing the 10 most recent random numbers and assigning this sum as the value of the sample function during each 1 second time interval. The sample functions are denoted as X(t) for t>=0.

  • Unrestricted Random Sampling Without Replacement

    Unrestricted random sampling normally results in a smaller sample size than does stratified sampling. FALSE - (Unrestricted random sampling normally results in a larger sample size than stratified sampling).

  • Types of Random Sampling

    Does this sampling plan result in a random sample? Simple random sample? Explain. Does this sampling plan result in a random sample? No, the sample is not random because not all voters have the same chance of being selected.

  • Types of Random Samples

    Does this sampling plan result in a random sample? Simple random sample? Explain. Does this sampling plan result in a random sample? Yes, the sample is random because all teachers have the same chance of being selected.

  • Importance of random sample and use in hypothesis testing

    368826 Importance of random sample and use in hypothesis testing Why is it important that a sample be random and representative when conducting hypothesis testing?

  • Identifying Types of Samples

    But this is not a simple random sample, as teachers from schools that were not selected have not been considered in the final sample. 4. This sampling plan results in a random sample, but not a simple random sample.

  • Systematic Sampling and Simple Random Sampling

    484193 Systematic Sampling and Simple Random Sampling Please help answer the following questions. In what ways is a systematic sample more efficient than a simple random sample?

  • Probability of a Random Sample

    A random sample of 144 current stockholders is taken a. If random sample of 144 current stockholders is taken, what is the probability that more than 15% of them will find offer teams attractive? b.

  • Sampling Method Examples

    a) Number all the units in the area and use a random number table to select the apartments to include in the sample. :- Random sample b) Classify the apartment units according to the number of bedrooms and then take a random sample from each of

  • Sample Type

    Simple random sample c. Systematic random sample d. Representative sample. Answer: c. Systematic random sample A systematic random sampling is sampling at some equal interval of space or time (i.e, every 10th student.

View More Related Solutions