(10 points) 3. Suppose that a random sample of size 64 is to be selected from a population having [pic] and standard deviation 5. (a) What are the mean and standard deviation of the [pic] sampling distribution? Can we say that the shape of the distribution is approximately normal? Why or why not? (10 points) (b) What is the probability that [pic] will be within 0.5 of the population mean? (5 points) (c) What is the probability that [pic] will differ
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SPSS: Grouped Frequency Distribution FIRST STEP: Under the Transform menu‚ choose Visual Binning… This command assists you in creating a new variable that groups the data. You will then use the new variable to create a grouped frequency distribution. • From the Variables list box‚ click on wt (weight) and then on the arrow to move it to the Variable to Band list box. Click Continue. • Select wt in the left box. Near the top of this dialog box‚ enter a name for your new variable (such
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•H.P.Gautam The purpose of this article is not to explain any more the usefulness of normal distribution in decision-making process no matter whether in social sciences or in natural sciences. Nor is the purpose of making any discussions on the theory of how it can be derived. The only objective of writing this article is to acquaint the enthusiastic readers (specially students) with the simple procedure ( iterative procedure) for finding the numerical value of a normally distributed variable. The
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“dispersion” or variability of the data about the measurements of central tendency. MEASUREMENTS OF CENTRAL TENDENCY The appropriateness of using the mean‚ median‚ or mode in data analysis is dependent upon the nature of the data set and its distribution (normal vs non-normal). The mean (denoted by x) is calculated by dividing the sum of the individual data points (where Σ equals “sum of”) by the number of observations (denoted by n). It is the arithmetic average of the observations and is used
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Zara: Fast Fashion Report Questions 1) With which of the international competitors listed in the case is it most interesting to compare Inditex´s financial results? Why? What do comparisons indicate about Inditex´s relative operating economics? Financial results of Inditex Group and its competitors GAP‚ BENETTON‚ and H&M (Table 1) have to be evaluated under a common bases‚ in other words‚ identifying variables that are common for the four companies due to at the end the business strategy of
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Description The Textile Empire: Inditex‚ Zara Inditex‚ the parent company which owns Zara‚ one of the best known fashion brands in the world‚ is an apparel conglomerate‚ with 9 brands under its umbrella. Inditex made €1.932 billion profit with a revenue of €13.79 billion worldwide in 2011. As of 2012‚ there are 100‚140 people working for Inditex Group across their headquarters and 6‚009 stores around the world. [1][2] Among those major 9 brands of Inditex‚ Zara‚ one of their oldest brands which was
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Student Exploration: Sight vs. Sound Reactions Vocabulary: histogram‚ mean‚ normal distribution‚ range‚ standard deviation‚ stimulus Prior Knowledge Questions (Do these BEFORE using the Gizmo.) Most professional baseball pitchers can throw a fastball over 145 km/h (90 mph). This gives the batter less than half a second to read the pitch‚ decide whether to swing‚ and then try to hit the ball. No wonder hitting a baseball is considered one of the hardest things to do in sports! 1. What
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Zara International demonstrates many elements of classical management approaches. Fredrick Taylor’s scientific management is evident through their quick turnaround of runways to stores allowing only 2 weeks for the company to get the attire into stores. Zara’s ability to distribute stock within 24 to 48 hours depending on global location also contributes to Taylor’s scientific management theory. One of the four guiding action principles of the scientific management theory states that you must “develop
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What are the company’s competitive advantages? Zara is ‘fast fashion’. In order to proof this statement we are taking a look at different components where we can see their competitive advantages. Design The designers go to fashion shows‚ they develop sketches and while they select fabrics‚ the price of each product is already determined. The collection has to arrive in the stores at the start of the selling season. In order to keep up with the trends they not only look at the sales data but they
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Marketing Strategy of Zara The purpose of this paper is to analyse the existing marketing strategy of the one of the biggest‚ worldwide clothes company-Zara. In our research we have chosen this company because it is a well-known brand that is popular amongst young consumers. The company has performed very well with its marketing strategy in the past few years and it is still the top company on the market. The marketing strategy of Zara consists of high turnover in which the company usually
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