Data quality assurance refers to a few different things. It can simply be the profiling of certain data to discover any inconsistencies‚ and anomalies in the data. It can also refer to certain cleansing activities‚ such as the removal of outliers in hopes of improving the data quality . Data quality assurance can help accuracy‚ completeness‚ consistency‚ and timeliness. In addition data quality assurance can help : - Define : set data quality standards and expectations - Measure : Identify
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Values/total number of values=mean Median-what data is in the middle (exact middle value)? Mode-what value occurs most frequently in the data? Interval and Ratio Data Nominal Ordinal Interval-best data Ratio-best data Measures of Variation Outlier-high-end/low-end Interpret the measures of central tendency-mean‚ median‚ mode Measures of variability-range‚ standard deviation (SD) =square root of variance is SD Standard Scores Zscores-table of standard z scores Tdistributions-test to see
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On April 23rd‚ 2011‚ I went to Simon Sun’s concert at Presbyterian Church‚ Williamsburg. Simon Sun is a senior at the College of William and Mary majoring in Neuroscience and music. He has played piano for almost seventeen years and was a finalist in the Young Artists International Piano Competition. I was so impressed by his performance on that day‚ because I have started to learn piano at an early age also‚ but I could never be as good as he is. Simon is a skillful‚ dynamic‚ and energetic player
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In “We Were Liars”‚ Written by E. Lockhart‚ I like Gat (Gatwick Matthew Patil) because he was an outlier to everybody else. Gat was not rich or privileged like all of the other liars. He was just a friend of Johnny’s (Johnny Sinclair Dennis). Gat was a very smart Indian kid who nephew of Aunt Carrie’s longtime boyfriend. He likes reading and sharing the information he knows with other people and came along with his friend (Johnny) to the island. Some described him as nerdy. Cadence definitely didn’t
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There is an obvious discrimination shown in the movie “Freedom Writers”‚ where everybody hates everybody and they got no choice but to live in a world full of pandemonium. Random cultural implications are shown in the movie. Where one has to accept his/her society since birth‚ or someone has to really join a gang to keep up and belong to a hood. In the case of the students in the movie‚ they are just simply hopeless and what they all just do is to keep raging flames in their hearts. Until one tough
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parameters shown in this are the heights‚ which can be measured during each year to show the rise. The constraints of this task are finding a function to fit the data point shown in Data Graph 1. Some other constraints would be that there aren’t any outliers in the graph and it has been a pretty steady linear rise. The type of function that models the behavior of the function is linear. This type of function models it because the points resemble a line rather than a curve. To represent the points
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The sum of X minus the mean is zero‚ so the mean acts as a “balancing point.” Disadvantages of the Mean 1. It only exists for quantitative data What is the mean between good‚ fair‚ poor? ● Between red‚ yellow‚ and blue? ● 2. It can be affected strongly by outliers. Example: In Whoville‚ there are 10 people who earn $10‚000 a year and one person who earns $1‚000‚000 ● What is the mean? Is it a
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ESL 400/Ebert Name ______________________________ Essay Assignment #2 Background: Malcolm Gladwell in Outliers asserts that cultural background influences our behavior in ways we may not realize. He mentions the hierarchy of an airline cockpit‚ math ability in certain countries‚ and a heritage of hard work. Although seemingly non-related‚ he connects his examples with a theory. How does cultural background influence behavior both positively and negatively‚ according to Malcolm Gladwell? Do
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Preparation of Sodium Chloride through titration Abstract: acid-base titration is a technique commonly used to determine the moles of acid in a sample by adding a known volume of strong base of a known concentration. The strong base provides the hydroxide ion‚ to react quantitatively with the acid. The point at which the acid is completely and exactly consumed the known quantity of base is called the equivalence end point and is signalled by a colour change in the solution (end point). This colour
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Respiration is the process by which energy is released energy from glucose in the presence of Oxygen‚ forming carbon dioxide and water as waste products. Glucose releases energy in a series of reactions that take place inside components of the cell. The stages are briefly explained below as were briefly explained in part A‚ the process then goes through‚ glycolosis‚ link reaction and then the Krebs cycle. The volume of CO2 that is produced in the Krebs cycle is important as this is the dependant
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