Understanding the Customer and Supply Chain Uncertainty To understand the customer‚ a company must identify the needs of the customer segment being served. Let us compare 7-Eleven Japan and a discounter such as Sam’s Club (a part ofWal-Mart). When customers go to 7-Eleven to purchase detergent‚ they go there for the convenience of a nearby store and are not necessarily looking for the lowest price. In contrast‚ a low price is very important to a customer going to Sam’s Club. This customer may be
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2011). Precision is how close the measured standards are to each other (Math is fun‚ 2011). Society depends on accuracy and precision in everyday life. These two relationships are often substituted freely‚ but both have crucial differences. Businesses entail both accurate and precise measurements to stay in business. Accuracy states that something is constant with an identified rate‚ whereas precision is the volume of detail something delivers. Society depends on accuracy and precision in many
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phenylisothiocyanate in presence of a base to yield phenylthiourea derivative. This derivative showed maximum absorbance at 240 nm. Beer’s law is obeyed in the concentration range of 5-25 µg/ml. The method was validated in terms of linearity‚ precision (relative standard deviation 1.1%)‚ accuracy and specificity. The proposed method is the only method available for spectrophotometric determination of the drug. It is simple‚ precise‚ accurate‚ sensitive and reproducible and can be used for the
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the best-fit straight line to examine the relationship. Using the predicative model (the best-fit line) to determine the percent copper and zinc in pennies. Then accuracy the errors and error percentages. Precision the absolute deviation and the deviation percentages. Observation: Part 1: Pre-82 Pennies Weight 10 dry pre-82 pennies which get 30.29g‚ using 30ml initial volume measuring the volume of 10 pennies‚ record the data 3.0ml. Using equation Density= Mass/Volume‚ get the density of the
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6429 Ω (from the graph) ΔS = |S1 - S2| / 2 = | (-0.4714 - (-0.6429)) | / 2 = 0.08580 Ω (cor. to 4 sig. fig) _THE INTERNAL RESISTANCE OF THE BATTERY ± Δ INTERNAL RESISTANCE OF THE BATTERY = 0.5223 Ω ± 0.08580 Ω_ (COR. TO 4 SIG. FIG) Percentage precision = (1.000 - 0.08580 /0.5223) x 100% = 83.57% (cor. to 4 sig. fig) _THE EMF OF THE BATTERY_ Uncertainty for intercept vertical axis From the graph above (Voltage against Current) Intercept vertical axis of the best-fit line = 1.2969 V (from the
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EXPERIMENT #1: SCIENTIFIC MEASUREMENT AND ERROR By: Date: 8/26/13 Objectives: The goals of the experiment are to learn how to use different types of scientific glassware and to understand the significance of precision and accuracy in scientific measurement. Procedure: No modifications were made during the experiment. Data: Data tables for the experiment are provided on attached sheet. Calculations: Table I - Table III – Table IV –
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uncertainty gives the reader an idea of the precision and accuracy of your measurements. Use the following method for finding the uncertainty associated with any measuring device used in lab. First‚ find the least count‚ or the smallest printed increment‚ of the measuring device. On the meter sticks‚ the least count is 1 mm. On the double pan balances‚ the least count is 0.1 g. On the small graduated cylinders‚ the least count is 25 ml. If you are using the full precision of the instrument‚ you are probably
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and Spectrophotometer Introduction In scientific experiments‚ correct measurements are required to achieve precise and accurate data. Precision is the degree to which several measurements provide answers very close to each other. Accuracy describes the nearness of a measurement to the standard or true value. Certain measuring devices are used to attain precision and accuracy. One example is the Air displacement pipette or the micropipettes. The micropipettes are measuring tools used to transfer
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life such as the elevators which help us in reaching from one floor to another in a very short span of time. Another key role played by technology is quick communication such as telephone in which people could communicate from one part of the world to another in a very short period of time which saves time whereby letters that were used for sending messages earlier took several weeks or months. Email‚ the most preferred way of modern day communication helped us further to share the
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(beaker) is noted in Table 1a 10. Repeat the previous steps 1-8 using different measuring devices (burette‚ measuring scale‚ graduated cylinder‚ pipette) 11. Record the remaining data in Tables 2a-4a -----------------------------------------------Part II---------------------------------------------- 12. Conduct the density of the prepared solutions of 0%‚ 5%‚ 10%‚
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