What is a random sample name two ways to obtain a random

Reference no: EM13395242

1- What is a random sample? Name two ways to obtain a random sample?

2- In a Gallup poll of 1,059 randomly selected adults, 39% answered "yes" when asked "Do you have a gun in your home?" Identify the sample, population and variable. Find the statistic and assign a symbol to it. Also describe what the parameter would represent in this problem and assign a symbol to it.

3- A sample of 50 employees at a company is selected, and the average is found to be 37 years. Identify the sample, population and variable. Find the statistic and assign a symbol to it. Also describe what the parameter would represent in this problem and assign a symbol to it.

4- What is the difference between quantitative and qualitative data? Give an example for each that was not discussed in class.

5- Is the "number of freshman entering college in 2007" discrete or continuous? Explain

6-A marketing firm does a survey to find out how many people use a product. Of the one hundred people contacted, fifteen said they use the product. Is this an experiment or observational study? Explain

Reference no: EM13395242

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