Two Ways to Obtaining a Random Sample
Order ID |
53563633773 |
Type |
Essay |
Writer Level |
Masters |
Style |
APA |
Sources/References |
4 |
Perfect Number of Pages to Order |
5-10 Pages |
Description/Paper Instructions
Two Ways to Obtaining a Random Sample
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 freshmen 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
What do fine and course grained versions of the same rock type such as basalt and gabbro tell you about their origins?
What kind of rock is this and how did it form? “Granite type”
In general, there are 3 types of volcanic rock (basalt, andesite and rhyolite) that correspond to three different plate tectonic settings. What are these settings?
Magnetic and metamorphic rocks often look similar but have quite different origins. What is the major difference?
What is intraplate and interplate volcanism?
Why do basaltic and andesitic magma/lava differ so greatly in their degree of danger?
What plate tectonic phases are related to basaltic, andesitic and rhyolitic lava?
Is the depth of earthquake foci the same all over the world?
Which type of seismic waves can be distinguished and which are the most destructive?
How are plate tectonics, volcanoes and earthquakes related?
During a hike you find an igneous rock, it’s dark in color and has a fine granular appearance with small, fairly round crystals of a glassy, deep green material. What is this small, rounded, glass green crystals likely to be? DId the magma from which this rock formed likely originate in the mantle or in the crust, how? Was the magma likely a very high temperature magma or low, why? What other minerals might make up the rest of this rock?
In which environment (spit, lake, beach, sand dunes, alluvial fans, glacial deposits, swamp, delta, reef, barrier island, estuary, deep sea fans. turbity current, lagoon, or flood plain) would you find: A deposit consisting of several beds in which sediment size in each bed decrease from bottom to top, an evaporate deposit, a well-sorted sand deposit and a deposit that includes a high percentage of partially decomposed plant material.
You see an outcrop of sandstone. It’s poorly sorted and rich in feldspar and quartz. The sediment is derived from two sites in the area. Which site would it mostly come from? Site 1: nearby exposure of weathered basaltic lava flows or Site 2: outcrop of granite at the previous field trip stops up the road.
Two Ways to Obtaining a Random Sample
RUBRIC
QUALITY OF RESPONSE |
NO RESPONSE |
POOR / UNSATISFACTORY |
SATISFACTORY |
GOOD |
EXCELLENT |
Content (worth a maximum of 50% of the total points) |
Zero points: Student failed to submit the final paper. |
20 points out of 50: The essay illustrates poor understanding of the relevant material by failing to address or incorrectly addressing the relevant content; failing to identify or inaccurately explaining/defining key concepts/ideas; ignoring or incorrectly explaining key points/claims and the reasoning behind them; and/or incorrectly or inappropriately using terminology; and elements of the response are lacking. |
30 points out of 50: The essay illustrates a rudimentary understanding of the relevant material by mentioning but not full explaining the relevant content; identifying some of the key concepts/ideas though failing to fully or accurately explain many of them; using terminology, though sometimes inaccurately or inappropriately; and/or incorporating some key claims/points but failing to explain the reasoning behind them or doing so inaccurately. Elements of the required response may also be lacking. |
40 points out of 50: The essay illustrates solid understanding of the relevant material by correctly addressing most of the relevant content; identifying and explaining most of the key concepts/ideas; using correct terminology; explaining the reasoning behind most of the key points/claims; and/or where necessary or useful, substantiating some points with accurate examples. The answer is complete. |
50 points: The essay illustrates exemplary understanding of the relevant material by thoroughly and correctly addressing the relevant content; identifying and explaining all of the key concepts/ideas; using correct terminology explaining the reasoning behind key points/claims and substantiating, as necessary/useful, points with several accurate and illuminating examples. No aspects of the required answer are missing. |
Use of Sources (worth a maximum of 20% of the total points). |
Zero points: Student failed to include citations and/or references. Or the student failed to submit a final paper. |
5 out 20 points: Sources are seldom cited to support statements and/or format of citations are not recognizable as APA 6th Edition format. There are major errors in the formation of the references and citations. And/or there is a major reliance on highly questionable. The Student fails to provide an adequate synthesis of research collected for the paper. |
10 out 20 points: References to scholarly sources are occasionally given; many statements seem unsubstantiated. Frequent errors in APA 6th Edition format, leaving the reader confused about the source of the information. There are significant errors of the formation in the references and citations. And/or there is a significant use of highly questionable sources. |
15 out 20 points: Credible Scholarly sources are used effectively support claims and are, for the most part, clear and fairly represented. APA 6th Edition is used with only a few minor errors. There are minor errors in reference and/or citations. And/or there is some use of questionable sources. |
20 points: Credible scholarly sources are used to give compelling evidence to support claims and are clearly and fairly represented. APA 6th Edition format is used accurately and consistently. The student uses above the maximum required references in the development of the assignment. |
Grammar (worth maximum of 20% of total points) |
Zero points: Student failed to submit the final paper. |
5 points out of 20: The paper does not communicate ideas/points clearly due to inappropriate use of terminology and vague language; thoughts and sentences are disjointed or incomprehensible; organization lacking; and/or numerous grammatical, spelling/punctuation errors |
10 points out 20: The paper is often unclear and difficult to follow due to some inappropriate terminology and/or vague language; ideas may be fragmented, wandering and/or repetitive; poor organization; and/or some grammatical, spelling, punctuation errors |
15 points out of 20: The paper is mostly clear as a result of appropriate use of terminology and minimal vagueness; no tangents and no repetition; fairly good organization; almost perfect grammar, spelling, punctuation, and word usage. |
20 points: The paper is clear, concise, and a pleasure to read as a result of appropriate and precise use of terminology; total coherence of thoughts and presentation and logical organization; and the essay is error free. |
Structure of the Paper (worth 10% of total points) |
Zero points: Student failed to submit the final paper. |
3 points out of 10: Student needs to develop better formatting skills. The paper omits significant structural elements required for and APA 6th edition paper. Formatting of the paper has major flaws. The paper does not conform to APA 6th edition requirements whatsoever. |
5 points out of 10: Appearance of final paper demonstrates the student’s limited ability to format the paper. There are significant errors in formatting and/or the total omission of major components of an APA 6th edition paper. They can include the omission of the cover page, abstract, and page numbers. Additionally the page has major formatting issues with spacing or paragraph formation. Font size might not conform to size requirements. The student also significantly writes too large or too short of and paper |
7 points out of 10: Research paper presents an above-average use of formatting skills. The paper has slight errors within the paper. This can include small errors or omissions with the cover page, abstract, page number, and headers. There could be also slight formatting issues with the document spacing or the font Additionally the paper might slightly exceed or undershoot the specific number of required written pages for the assignment. |
10 points: Student provides a high-caliber, formatted paper. This includes an APA 6th edition cover page, abstract, page number, headers and is double spaced in 12’ Times Roman Font. Additionally, the paper conforms to the specific number of required written pages and neither goes over or under the specified length of the paper. |
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