Post a New Question

Statistics

posted by .

Assume a population of any 4 numbers(suppose: 4,8,15,19). Select a random sample of size 2 with replacement from the population. List all the possible samples and their corresponding values of x̄ “x-bar” and then find the probability distribution of “X-bar”
study the following:

The distribution of X and the sampling distribution of X-bar

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. stats

    Consider an infinite population with 25% of the elements having the value 1, 25% the value 2, 25% the value 3, and 25% the value 4. If X is the value of a randomly selected item, then X is a discrete random variable whose possible …
  2. statistics

    The scores of students on the ACT college entrance examination in a recent year had a normal distribution with a mean of 18.6 and a standard deviation of 5.9. A simple random sample of 50 students who took the exam is selected for …
  3. Statistics

    1. The scores of students on the ACT college entrance examination in a recent year had a normal distribution with a mean of 18.6 and a standard deviation of 5.9. A simple random sample of 60 students who took the exam is selected for …
  4. statistics

    the assets (in billions of dollars)of the four wealthiest people in a particular country are 46,34,12,10. Assume that the samples of size 2 are randomly selected with replacement from this population of four values. After listing the …
  5. statistics

    Random samples of size n are selected from a normal population whose standard deviation is know to be 2. Suppose you want 90% of the area under the sampling distribution of x bar to lie within + or - 1 unit of a population mean u. …
  6. statistics

    Suppose we take a random sample of size n from a normal population with variance, σ2 . It can be shown that (n−1)s2/σ2 has a chi-square distribution with n−1 degrees of freedom, where s is the sample variance. …
  7. Statistics

    The number of books sold over the course of the three-day book fair were: 365, 303, 401. Assume that samples of size 2 are randomly selected with replacement from this population of three values. a. List the different possible samples, …
  8. Statistics

    You are interested in estimating the mean of a population. you plan to take a random sample from the population and use the samples mean as an estimate of population mean. Assuming that the population from which you select your sample …
  9. Statistics

    Consider the population (1,3). Suppose you take all possible samples of size n=3 with replacement. What is the sampling distribution of the sample total?
  10. Statistics

    Consider the population (1,3). Suppose you take all possible samples of size n=3 with replacement. What is the sampling distribution of the sample total?

More Similar Questions

Post a New Question