In Exercises, use the same population of {4, 5, 9} that was used in Examples 1 and 2. As in Examples 1 and 2, assume that samples of size n=2 are randomly selected with replacement. Sampling Distribution of the Sample Proportion a. For the population, find the proportion of odd numbers. b. Table 6-3 describes the sampling distribution of the sample mean. Construct a similar table representing the sampling distribution of the sample proportion of odd numbers. Then combine values of the sample proportion that are the same, as in Table 6-4. ( Hint: See Example 1 for Tables 6-3 and 6-4 that describe the sampling distribution of the sample mean.) c. Find the mean of the sampling distribution of the sample proportion of odd numbers. d. Based on the preceding results, is the sample proportion an unbiased estimator of the population proportion? Why or why not? Example 1 Sampling Distribution of the Sample Mean
In Exercises, use the same population of {4, 5, 9} that was used in Examples 1 and 2. As in Examples 1 and 2, assume that
Sampling Distribution of the Sample Proportion
a. For the population, find the proportion of odd numbers.
b. Table 6-3 describes the sampling distribution of the sample
c. Find the mean of the sampling distribution of the sample proportion of odd numbers.
d. Based on the preceding results, is the sample proportion an unbiased estimator of the population proportion? Why or why not?
Example 1 Sampling Distribution of the Sample Mean
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