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1. A company's employee database includes data on whether or not the employee includes a dependent child in his or her health insurance.
a) Is this variable discrete or continuous?
b) What are the possible values it can take on?
2. The database also, of course, includes each employee's compensation.
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The trend line y = 0.70 + 0.005t was calculated from quarterly data for 1999 -2003, where t = 1 for the first quarter of 1999. The seasonal indexes computed from the trend line for the four quarters of the year 2004 were .85, 1.05, 1.15, and .80, ..
in a sample of 80 workers from a factory in city a it was found that 8 were unable to read while in a sample of 50
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Statisticians prefer large samples. Describe briefly the effect of increasing the size of a sample on each of the following: The margin of error of a 95% confidence interval?
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Identify at your place of work (or a previous place of work, or an organization with which you are affiliated). Identify a dependent variable and 3 independent variables
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Develop a 95% confidence interval for the proportion of the population of adults who feel customer service is better today than it was 2 years ago.
When using the distribution of sample means to estimate the population mean, what is the benefit of using larger sample sizes?
Determine probability of generating six digits and getting code consisting of 1, 2, 3, ..., 6 if each digit can be repeated?
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