Definition and Examples of Reduced Adverb(ial) Clauses

How to Use the NORM.INV Function in Excel

Statistical calculations are greatly sped up with the use of software. One way to do these calculations is by using Microsoft Excel. Of the variety of statistics and probability that can be done with this spreadsheet program, we will consider the NORM.INV function. Reason for Use Suppose that we have a normally distributed random variable denoted by x. One question that can be asked is, â€Å"For what value of x do we have the bottom 10% of the distribution?† The steps that we would go through for this type of problem are: Using a standard normal distribution table, find the z score that corresponds to the lowest 10% of the distribution.Use the z-score formula, and solve it for x. This gives us x   ÃŽ ¼ zÏÆ', where  ÃŽ ¼ is the mean of the distribution and  ÃÆ' is the standard deviation.Plug in all of our values into the above formula. This gives us our answer. In Excel the NORM.INV function does all of this for us. Arguments for NORM.INV To use the function, simply type the following into an empty cell: NORM.INV( The arguments for this function, in order, are: Probability – this is the cumulative proportion of the distribution, corresponding to the area in the left-hand side of the distribution.Mean - this was denoted above by ÃŽ ¼, and is the center of our distribution.Standard Deviation - this was denoted above by ÏÆ' and accounts for the spread of our distribution. Simply enter each of these arguments with a comma separating them. After the standard deviation has been entered, close the parentheses with ) and press the enter key. The output in the cell is the value of x that corresponds to our proportion. Example Calculations We will see how to use this function with a few example calculations. For all of these, we will assume that IQ is normally distributed with a mean of 100 and a standard deviation of 15. The questions we will answer are: What is the range of values of the lowest 10% of all IQ scores?What is the range of values of the highest 1% of all IQ scores?What is the range of values of the middle 50% of all IQ scores? For question 1 we enter NORM.INV(.1,100,15). The output from Excel is approximately 80.78. This means that scores less than or equal to 80.78 comprise the lowest 10% of all IQ scores. For question 2 we need to think a little before using the function. The NORM.INV function is designed to work with the left portion of our distribution. When we ask about an upper proportion we are looking at the right-hand side. The top 1% is equivalent to asking about the bottom 99%. We enter NORM.INV(.99,100,15). The output from Excel is approximately 134.90. This means that scores greater than or equal to 134.9 comprise the top 1% of all IQ scores. For question 3 we must be even more clever. We realize that the middle 50% is found when we exclude the bottom 25% and the top 25%. For the bottom 25% we enter NORM.INV(.25,100,15) and obtain 89.88.For the top 25% we enter NORM.INV(.75, 100, 15) and obtain 110.12   NORM.S.INV If we are only working with standard normal distributions, then the NORM.S.INV function is slightly faster to use. With this function, the mean is always 0 and the standard deviation is always 1. The only argument is the probability. The connection between the two functions is: NORM.INV(Probability, 0, 1) NORM.S.INV(Probability) For any other normal distributions, we must use the NORM.INV function.

I Am Not An Immigrant - 823 Words

I am not an immigrant. I have been living in this country ever since I was a newborn infant. My brother, sister, and I are all first generation citizens trying to make our parents proud. Both of my parents were born in Mexico, and at an early age left to the United States. They are now living happily in the U.S as citizens. Growing up I only spoke one language, Spanish. Being Mexican this was the only way I could communicate up until kindergarten. Although it was such a long time ago, I remember how hard it was for me to adjust into a new culture. I know I had a strong accent, and I was sometimes ashamed of it. On occasion I remember accidentally speaking Spanish to my classmates. â€Å"Did you finish your homework? â€Å"Si, lo compl-†. â€Å"I mean, yeah, all done.† I often got these confused looks on their face whenever this happened. The next year in first grade I became accustomed to English. I no longer spoke Spanish to my parents. When the realization that I cou ld no longer speak Spanish hit my parents, they were shocked. Personally I was also very disappointed that I lost a big part of my culture. In a school with a general population of Hispanics I would love to be able to converse with them in Spanish. I often get people asking if I speak Spanish and I tell them why I can’t speak, but can understand what the words in Spanish mean. All because I did not want to look different in a school where people were primarily white back then I lost a valuable tool. I don’t recall manyShow MoreRelatedThe I Am An Immigrant1469 Words   |  6 PagesColleagues and Friends. I am an immigrant. Three years ago, I recounted my story as an immigrant to this great nation, of how I became a successful family physician, and of the great sacrifices by my family and especially my father in helping me to get here. Today, again I stand before you. I d like to tell you my story as a digital immigrant. Yes. 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Blood Gulch Blues by Trocedero free essay sample

â€Å"Blood Gulch Blues† by Trocadero is a song dedicated to the popular web series Red vs. Blue. The series is based off of the game Halo, which is also well known. The song starts out by telling us the two factions: red team and blue team. Blood Gulch Avenue refers to the game of the map. In the second verse, â€Å"It’s I against I and me against you† means that there is a lot of internal and external conflict among the characters. The third verse, â€Å"living like this we were already dead† expresses how their experiences might as well have killed them. The car in the song is called the Warthog in Halo. In the game, the Warthog almost always lands on the wheels when landing. Taking that into consideration, one of the characters, Grif, says that it looked like a puma. The name stuck. It ends with another â€Å"red versus red blue versus blue† which, in my interpretation, compares how similar the red team and blue team are in their thinking. We will write a custom essay sample on Blood Gulch Blues by Trocedero or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page They might be enemies, but they don’t know how much they’re really alike. The album is called Roses Are Red, Violets Are Blue. Other songs in the album include the following order: â€Å"Intro†, â€Å"Blood Gulch Blues†, â€Å"Steady Ride (Gun Metal Green)†, â€Å"Spiritual†, â€Å"No One†, â€Å"Funny Farm†, â€Å"A Girl Named Tex†, â€Å"Punch It†, â€Å"Space Invader†, â€Å"(617)†, â€Å"Superhero†, â€Å"Vale Death†, â€Å"All as One†, â€Å"Oh Five!†, and â€Å"Half Life†. â€Å"Blood Gulch Blues† By Trocadero Roses are red/ And violets are blue/ One day we’ll cruise down/ Blood Gulch Avenue/ It’s red versus red/ And blue versus blue/ It’s I against I and me/ against you/ Violets are blue/ And roses are red/ Living like this we were/ already dead/ Hop in my car it don’t have/ any doors/ It’s build like a cat/ It lands on all fours/ My cars like a puma/ It drives on all fours/ Red versus red/ Blue versus blue/ For all of those who recognize Red vs. Blue, I would recommend this song. I would definitely approve of other songs by Trocadero as well. People who have not watched Red vs. Blue would not get the references within most of these songs. All in all, this is the best song ever. Of all time.