The assets (in billions of dollars) of the four wealthiest people in a particular country are 45, 28, 21, 18. Assume that samples of size n = 2 are randomly selected with replacement from this population of four values. a. After identifying the 16 different possible samples and finding the mean of each sample, construct a table representing the sampling distribution of the sample mean. In the table, values of the sample mean that are the same have been combined. Probability Probability X 45 36.5 33 31.5 28 (Type integers or fractions.) x 24.5 23 21 19.5 18
The assets (in billions of dollars) of the four wealthiest people in a particular country are 45, 28, 21, 18. Assume that samples of size n = 2 are randomly selected with replacement from this population of four values. a. After identifying the 16 different possible samples and finding the mean of each sample, construct a table representing the sampling distribution of the sample mean. In the table, values of the sample mean that are the same have been combined. Probability Probability X 45 36.5 33 31.5 28 (Type integers or fractions.) x 24.5 23 21 19.5 18
MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Chapter1: Starting With Matlab
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
Transcribed Image Text:The assets (in billions of dollars) of the four wealthiest people in a particular country are 45, 28, 21, 18. Assume that samples of size n = 2 are randomly selected with replacement from this population of four values.
a. After identifying the 16 different possible samples and finding the mean of each sample, construct a table representing the sampling distribution of the sample mean. In the table, values of the sample mean that are the same have been combined.
| \(\bar{x}\) | Probability |
|--------------|-------------|
| 45 | |
| 36.5 | |
| 33 | |
| 31.5 | |
| 28 | |
| 24.5 | |
| 23 | |
| 21 | |
| 19.5 | |
| 18 | |
(Type integers or fractions.)
![b. **Compare the mean of the population to the mean of the sampling distribution of the sample mean.**
The mean of the population, \(\mu\), is [textbox] [dropdown] the mean of the sample means, [textbox].
(Round to two decimal places as needed.)
c. **Do the sample means target the value of the population mean? In general, do sample means make good estimates of population means? Why or why not?**
The sample means [dropdown] the population mean. In general, sample means [dropdown] make good estimates of population means because the mean is [textbox] estimator.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7207ec05-c570-45c5-9f93-6adc9f301e8e%2F9a1c53d9-6035-40c9-b261-25ba11e9c369%2Flpg2q9u_processed.png&w=3840&q=75)
Transcribed Image Text:b. **Compare the mean of the population to the mean of the sampling distribution of the sample mean.**
The mean of the population, \(\mu\), is [textbox] [dropdown] the mean of the sample means, [textbox].
(Round to two decimal places as needed.)
c. **Do the sample means target the value of the population mean? In general, do sample means make good estimates of population means? Why or why not?**
The sample means [dropdown] the population mean. In general, sample means [dropdown] make good estimates of population means because the mean is [textbox] estimator.
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