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Given what you've learned in this module about the meaning of "statistics", choose one of the examples from Part I (A-F), and raise a relevant question of your own that could be answered by a statistician. Then without answering your own question, explain how a pattern could be studied or a useful prediction made based on data that are to be collected. The example is D. A person weighting 200lbs is considered to be twice as heavy as a person weighing 100lbs.
The data below show the average daily high temperature for Chicago, Illinois, for twelve recent spring and summer months. Create a stem-and -leaf diagram for the data.
Graph the information using a histogram and a scatter plot in Excel as well. How does seeing the information in a graphical format provide more information?
Using the menu systems, request descriptive statistics (mean, s.d. and variance) for both your original variables
At 0.01 significance level can we conclude that mean fare has increased? Determine the p-value?
To determine monthly rental prices of apartment units in San Francisco Bay area, samples were constructed in the following ways. Identify the technique used to produce each sample.
CCI is unable to adjust the mean of the filling process. However, it is able to adjust the standard deviation of the filling process.
Estimating the combined mean values for the given data - find the mean for the combined sample
What is the p-value associated with the above sample result?
A study was recently done in which 500 people were asked to point out their choices for one of three products. Following table illustrates the breakdown of responses by gender of the respondents.
What is the probability of this project being completed earlier than 19 days?
Determine the probability that: a) Exactly 3 will have this mild side effect.
The owner of a local golf course wanted to determine the average age of the golfers that played on the course. In a random sample of 30 golfers that visited his course, the sample mean was 48.34 and the standard deviation was 9.327. Calculate a 90..
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