or print) used to promote a product. Answer – Qualitative as it is descriptive or categorical. 1.17 Classify each of the following qualitative variables as ordinal or nominative. Explain your answers. Qualitative Variable Categories Statistics course letter grade A B C D F Answer – Ordinal because there is a meaningful order of the grade categories i.e. (A is good and F is bad) Door choice on Let’s Make a Deal Door #1 Door#2 Answer – Nominative because there is no meaningful ordering
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Wildlife & Conservation Statistics Extinction of Species • Every 20 minutes‚ the world adds another 3‚500 human lives but loses one or more entire species of animal or plant life - at least 27‚000 species per year. (Source: PBS) • At the present rates of extinction‚ as many as 20% of the world’s 7-15 million species could be gone in the next 30 years. This rate of extinction has been unprecedented since the disappearance of dinosaurs 65 million years ago (Source: WWF). Habitat Destruction (Source:
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Sohal‚ S 04/05/11 (HLT-362 V) Applied Statistics for Healthcare Professionals Exercise 18 Q1. Assuming that the distribution is normal for weight relative to the ideal and 99% of the male participants scored between ( - 53.68‚ 64.64)‚where did 95% of the values for weight relative to the ideal lie? Round your answer to two decimal places. Answer: Mean of weight relative to ideal = 5.48 and Standard Deviation (σ) = 22.93. Calculation: (x bar) 1.96(σ) 5.48± 1.96(22.93) 5.48 - 1.96(22.93)
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the given data‚ it is feasible to find numerous comparisons and correlations in the within the numbers given. The most relevant data to the given case refers to the type of customer (whether or not the customer used the promotional coupon) as well as the number of purchases made using the various forms of payment mentioned within the data table. As the Case Problem introduction stated‚ there were 100 sales included in the data set‚ using four different methods of payment‚ to assess the use and productivity
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http://www.marketresearchreports.com Electric Wires and Cable Market in India 2012 Electrical wires and cables market is growing at a steady pace as the government is investing heavily in infrastructure development. Increase in capacity of the existing power plants and commissioning of the new ones have resulted in higher demand for electric wires and cables. Due to the roll out of 3G and broadband‚ demand for electric wires and cables is likely to increase in the future. The report provides
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EXERCISE 29 t-TEST FOR INDEPENDENT GROUPS I STATISTICAL TECHNIQUE IN REVIEW The t-test is a parametric analysis technique used to determine significant differences between the scores obtained from two groups. The t-test uses the standard deviation to estimate the standard error of the sampling distribution and examines the differences between the means of the two groups. Since the t-test is considered fairly easy to calculate‚ researchers often use it in determining differences between two groups
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usually depicts. At the bottom of the article‚ there is a verticle bar chart of the Number of time-loss heat illnesses among high school athletes‚ by month. verticle bar charts usually depict the number of events or occurrences by group (in this case the number of time-loss heat illnesses by month). Sometimes bar charts are also used to depict percentages by groups as well. Why was this graph chosen to display this data? The graph shows a striking spike in the number of heat illnesses in
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Term Random Variable Definition A variable that takes on different numerical values based on chance Term Discrete Random Variable Definition A random variable that can only assume a finite number of values or an infinite sequence of values such as 0‚1‚2‚3.... Term Continuous Random Variables Definition Random variables that can assume any vallue in an interval. Term Expected Value Definition The mean of a probability distribution. the average value when the experiment
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32 STRATEGIC INTERVENTIONS FOR UNORGANIZED SECTOR: A CASE OF SURAT‐BASED ZARI INDUSTRY IN INDIA Renuka Garg and Manish Sidhpuria ABSTRACT Surat Zari Industry is one of the oldest Industries in Surat (Gujarat state in the Western part of India) dating back to the 16th century. It enjoys the status of cottage industry since 1955. It is largely a family based‚ skilled oriented business‚ experiencing intense rivalry. At present‚ there are over 6750 Units in Surat contributing to about 70% to
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Descriptive and Inferential Statistics Paper PSY 315 Descriptive and Inferential Statistics Whether doing original research or conducting literature reviews‚ one must conclude what a powerful and versatile tool statistics are in the hands of researchers. From basic statistics such as data description‚ to using complex statistical methods to foresee future patterns or strengthen scientific claims about current climates‚ the role of statistics in research cannot be taken lightly and is essential
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