# Question

In an issue of National Mortgage News, a special report was published on publicly traded mortgage industry companies. A sample of 25 mortgage industry companies had the following numbers of employees.

a. Obtain a normal probability plot of the data.

b. Use part (a) to identify any outliers.

c. Use part (a) to assess the normality of the variable under consideration.

a. Obtain a normal probability plot of the data.

b. Use part (a) to identify any outliers.

c. Use part (a) to assess the normality of the variable under consideration.

## Answer to relevant Questions

The area under a density curve that lies to the left of 60 is 0.364. What percentage of all possible observations of the variable are a. Less than 60? b. At least 60? Define a. Normally distributed variable b. Normally distributed population c. Parameters for a normal curve Repeat parts (b)-(e) of Exercise 7.11 for samples of size 5. b. For samples of size 2, construct a table similar to Table 7.2 on page 281. Use the letter in parentheses after each player's name to represent each player. c. ...Suppose that a sample is to be taken without replacement from a finite population of size N. If the sample size is the same as the population size, a. How many possible samples are there? b. What are the possible sample ...Refer to Exercise 7.8 on page 284. Population data: 2, 3, 5, 7, 8. a. Use your answers from Exercise 7.8(b) to determine the mean, μx-bar, of the variable x-bar for each of the possible sample sizes. b. For each of the ...Post your question

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