MTH 233 Week 1 DQs

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MTH 233 Week 1 DQs
MTH 233 Week 1 DQs
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MTH 233 Week 1 DQ 1

Significance

  1. From chapter 1 of your text, the statistical significance of a study can differ from its practical significance.  Think of a situation at home, at work, or in a class where statistical significance differed from its practical significance.

 

Here’s an example:

Students in my high school statistics class can retake one exam per semester.  On this retake, the highest score given is 75%.

 

A student scores a 70% on a test and believes they can score the maximum of 75% on a retake.

 

If they retake the test, their grade will go up significantly (statistically), but they may want to wait and use their one retake on a different exam (practical).

 

MTH 233 Week 1 DQ 2

Statistic?

  1.      What is the importance of statistics in your work or schooling? How do you use statistics? How are you a statistic?

 

MTH 233 Week 1 DQ 3

Data

  1. Find a graph of data on a federal government website—such as data.gov—and provide the graph or the link to the graph. Interpret the graph in regards to center, distribution, and outliers.

 or

 Provide an example of a survey or a poll, such as the Student End-of-Course Survey. Do you believe this survey is biased? Why or why not?

 

MTH 233 Week 1 DQ 4

Graphs

  1. Find of an example of a histogram and provide a link to the graph. Give your interpretation of the visual. Do you find this histogram is misleading? Why or why not?

or

 

Imagine you are a supervisor in charge of projects. Your boss has asked you to present data on man-hours throughout the course of several projects. Using the concepts in this week’s readings, how would you present this data? Explain.