STA 2014 Week 4 Individual Work

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Student Name
Courseand Section Number
Programof Study
STA 2014
StatisticsSTA2014Week4 Individual Work
Assignment Instructions
To completethis assignment:
1. Answer all of the questions below inthe space provided.2. Reflect on the information presentedin this weekâs lesson and provide an insightful response to each question.
Save and Submit to Dropbox
1.Saveyour work as a Microsoft Word 2010 (.docx) file that includes your name,course code, and title in the file name. For example: XX_STA2014_Week4.docx.2. To submit your assignment, go to theDropbox and click “Submit Assignment.”3. Click on the drop-down menu toselect the Week 4: Individual Work basket in the Dropbox.
Objectives:Interpretthe process of collecting unbiased data for observational studies andexperiments.Usestatistical thinking in the process of data collection.
Section 2.1
26. Presidentâs State of Birth:The following table lists the presidents of the United States (as of October2010) and their states of birth.
(b) Which state has yielded the most presidents?
Section2.2
36. Uninsured Rates: The following data representthe percentage of people without health insurance for the 50 states and theDistrict of Columbia in 2009.
With the ?rst class having a lower class limit of4 and a class width of 2:
(a) Construct a frequency distribution.
(b) Construct a relative frequency distribution.
(c) Construct a frequency histogram of the data.
(d) Construct a relative frequency histogram ofthe data.
(e) Describe the shape of the distribution.
Section2.3
6. Car Accidents: An article in a studentnewspaper claims that younger drivers are safer than older drivers andprovides the following graph to support the claim. Explain how this graph ismisleading.
Answer:25yrs and older looks like they are 8 times more likely to be in an motorvehicle accident.
Section3.1
16. Flight Time: The following data represent the?ight time (in minutes) of a random sample of seven ?ights from Las Vegas,Nevada, to Newark, New Jersey, on Continental Airlines.282,270, 260, 266, 257, 260, 267
Compute the mean, median, and mode flight time.