Chi-square distribution

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    Chi- Square Goodness of Fit Testing Assuming Equal Expected A handful of students loves numbers and selects a major in Finance, Statistics, or Marketing. While others prefer a major in Leadership or are undecided. Historically, the MBA program at Whatsamatta U has about 40% of their students electing Leadership as their major, 30% selecting Finance as a major, 20% choosing Marketing, and 10% are undecided. Conducting a Chi-Square Goodness of the Fit Test revealed that the class of 200 students does not fit the historical pattern when using a .05 significance level. Therefore, rejecting the null hypothesis. One must establish a comprehension of Chi-Square Testing. The Chi-Square Goodness of Fit Test are calculations done on categorical data.…

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    Figure 1. Chi Square Test for Niche lab conducted at Owings Mills North.Behaivors of several species of birds (Tufted titmouse, dark eyed junco, black-capped chickadee, northern cardinal, mourning dove, purple finch, house sparrow, and white breasted nuthatch) were observed at feeding station. The three possible behaviors are feeding at the feeder, feeding on the ground, or feeding in the tree. Assignment questions 1-4 Given the results of the chi square, the birds feeding behavior are…

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    Unit 4 Test Lab Report

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    Results In the lab, 478 trials were conducted using a total of 956 crickets. The 478 pairs resulted in 264 wins for the resident cricket and 214 wins for the intruding crickets. These results produced a chi squared value of 5.230. The p-value calculated from this lab was .022. A chi squared value of .022, less than the benchmark of .05 means the data from the lab was significant and statistically rejects the null hypothesis that there was no correlation between residency and aggression…

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    This refers to a positive whole number that indicates the lack of restrictions in calculations. The following states below: (rows-1)(columns-1) = (4-1)(5-1)= 3= 12 Critical Value: In hypothesis testing, the critical value is a number that separates a region where the null hypothesis will not be rejected from a region where it will be rejected. It is achieved at a particular percentile range and is then determined using a chart, known as the distribution topic.” The equation below states the…

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    The chi square value is then compared to the p-value, which is a critical value gotten from a chart based on the degree of freedom and percent of error which this experiment used as 0.05. If the chi square value was greater than the critical value, the hypothesis would be rejected, meaning there was too much error and observed results were way off from the expected results. However, if the chi square value was less than or equal to the critical value, then the null hypothesis would not be…

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    An excel spreadsheet was provided by the instructor to allow us to fill in information about the assigned dissertations; the following is information required to complete the excel spreadsheet: citation, advisor, advisor’s credentials, purpose, questions, hypothesis, independent and dependent variable(s), sample (n), sampling method, research type, statistical analysis, instrument utilized, reliability and validity, alternate explanation, limitation, future research and finally significance.…

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    26/30 (86.67%) Checklists with several items to be considered by respondents may be subject to _____. * recency effects * halo effects * primacy effects * leniency effects For a chi-square test involving a contingency table, suppose the null hypothesis is rejected. We conclude that the two variables are __________. * linear * related * not related * Curvilinear For any chi-square goodness-of-fit test, the number of degrees of freedom…

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    block that you can sew on the front of a pillow. It’s lovely, and it’s a relatively simple pattern to make – so you can still do this in time for Valentine’s Day. To do this project, you will need: •three fabrics of your choice, which we’ll refer to as Fabric 1, Fabric 2, and Fabric 3 •cutting mat (I use a combination cutting mat and ironing board to streamline the entire process) •iron •fabric scissors •rotary cutter •quilting thread Step One: Cut the three fabrics – these are the…

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    Communal Areas

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    Communal Areas Cleaning London Do you own a large commercial property, student property, flat share or office block? If you do, then you will have to address cleaning communal areas. The reason is because you must provide residents or visitors to such property with healthy living conditions that stand up to certain standards. You could try and take on such task on your own, but odds are it will be too large a job. By outsourcing the job to a communal areas cleaning company, you can take the…

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    Over the course of the semester I have been volunteering with American Public Square. I have completed around eleven hours so far and have been helping at events hosted by the group. At events I have helped attendants find seats, passed out programs, collected questions from the audience, tracked demographics, and cleaned up once attendees have left. While my acts have seemed small to me, those putting on the programs have said these little things amount to a large burden off their shoulders.…

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