Descriptive Statistics 1.1 Descriptive vs. Inferential There are two main branches of statistics: descriptive and inferential. Descriptive statistics is used to say something about a set of information that has been collected only. Inferential statistics is used to make predictions or comparisons about a larger group (a population) using information gathered about a small part of that population. Thus‚ inferential statistics involves generalizing beyond the data‚ something that descriptive
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American workers will have a 1.75$ increase in their hourly wage by the end of 2015‚ as President Barack Obama recently called to raise the federal minimum wage from $7.25 an hour $9.00 an hour. This increase in the minimum wage of American citizen aims to help people with a low annual wage: cooks‚ employees of the janitorial industry and many others working these necessary menial occupations are set to benefit. The white house estimates that this measure will boost the wage of approximately
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6.14 Show that for a sample of n = 39‚ the smallest and largest Z values are – 1.96 and + 1.96‚ and the middle (i.e.‚ 20th) Z value is 0.00. 6.19 The data in the file spending represent the per-capita spending‚ in thousands of dollars‚ for each state in 2004. Decide whether the data appear to be approximately normally distributed by A. Comparing data characteristics to theoretical properties. B. Constructing a normal probability plot. 7.1. For a population containing N=902 individuals what code number
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Good Evening! Ladies and Gentleman!‚ The galaxy of intellectuals‚ your Excellency‚ invited guests‚ teachers and my dear friends Well‚ my first and foremost duty - On behalf of the Principal‚ Teaching Staff and Students‚ we welcome you all to our ANNUAL DAY FUNCTION– how different is this evening. Dear audience‚ you will yourself discover as the colors of cultural feast unfold! We fell honored to have with us - The Honorable Chief Guest His Excellency Mr. XYZ‚ the ______________‚ - Sir you
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Field trips: Post office‚ Super market‚ Traffic Signal‚ Fire station‚ Horse stable‚ Plant nursery‚ etc. Goals: The goal of MapleBear schools is to establish an enthusiasm for learning and knowledge in young children that will serve as a foundation for future success in the education system and in life. In development of the MapleBear program‚ we have drawn on the best practices in early childhood teaching and learning. MapleBear recognizes that literacy in English is absolutely fundamental to
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know about statistical ideas and techniques • The “must-know” formulas and calculations • Core topics in quick‚ focused lessons Deborah Rumsey‚ PhD Auxiliary Professor and Statistics Education Specialist‚ The Ohio State University Statistics Essentials FOR DUMmIES ‰ by Deborah Rumsey‚ PhD Statistics Essentials For Dummies® Published by Wiley Publishing‚ Inc. 111 River St. Hoboken‚ NJ 07030-5774 www.wiley.com Copyright © 2010 by Wiley Publishing‚ Inc.‚ Indianapolis‚ Indiana
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History of the Minimum Wage · 1938 -- The minimum wage was first enacted into law as part of the Fair Labor Standards Act (FLSA) of 1938. The original minimum wage applied to workers engaged in interstate commerce and the production of goods for interstate commerce. In 1938‚ this applied to roughly 11.0 million workers out of a total of 54.9 million workers. The minimum wage was set at $0.25 per hour. · 1961 -- Amendments to the minimum wage law extend coverage primarily to employees in large
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INTRODUCTION Statistics is the study of the collection‚ analysis‚ interpretation‚ presentation‚ and organization of data. Pie Chart- a type of graph in which a circle is divided into sectors that each represent a proportion of the whole. A Bar Graph (also called Bar Chart) is a graphical display of data using bars of different heights. This report essentially highlights the average earning‚ median value and a graphical representation of the actor Aamir Khan’s box office earnings in the last 10
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Ever since women have been able to vote‚ there have been more rights for women everywhere in America. Somehow in construction working‚ women get lower paid than men. Should they be paid the same as men? The working area is the same‚ so why is it that women have lower payments because of their gender? This should be a new rule‚ for women have the same exact rights as men. Everyone is working the same‚ so why not? Finally‚ this can reduce women strikes. Working class women internalize their own oppression
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recommended raising the minimum wage to benefit workers who cannot support themselves and their families with their current salaries. The articles‚ Why We Need to Raise the Minimum Wage and Why We Shouldn’t Raise the Minimum Wage tell us that there were some controversies in raising the minimum wage. As an economics major‚ I believe it is a bad idea to raise the minimum wage because it creates more unemployment‚ and it will reduce entry-level jobs. Since increasing minimum wage is not the solution to the
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