WebScores on a business statistics final exam are normally distributed with a mean of 74 and standard deviation of 8. a. Z value for the exam score of 84 equals? b. z value for the exam score of 92 equals? c. Probability that the exam score of 84 equals? d. Would you consider the person getting a 100 on the exam a statistical outlier? Why? WebDec 7, 2024 · Small Business Employment Statistics 1. 99.9% of businesses across the US are small businesses Though the nation’s largest corporations get the spotlight, …
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Web1. What is data that is grouped in evenly distributed values and measured based on the group to which the variable is attributed? Data Nominal Data Ordinal Data Interval measurement Ratio 2. What... WebStatistics is a branch of mathematics which deals with numbers and data analysis. Statistics is the study of the collection, analysis, interpretation, presentation, and organization of data. Statistical theory defines a statistic as a function of a sample where the function itself is independent of the sample’s distribution. harry haywood black bolshevik
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WebStatistics and Probability Statistics and Probability questions and answers Problem 5 Scores on a business statistics final exam are normally distributed with a mean of 74 and standard deviation of 8. a z value for the exam score of 66 equals? b. z value for the exam score of 90 equals? C. Probability that the exam score is greater than 84 equals? WebSep 19, 2016 · Process: Formulate the hypothesis. Set the significance level. Decide the Test Statistic (z,t) Find out the critical value. Make a conclusion. Use Z statistic when sample size is > 30. Use T statistic when sample size is < 30 and/or Standard Deviation is Unknown. WebNov 2, 2024 · Hypothesis: A well-defined hypothesis is a must for a good statistics project. You need a subject for this project which is attractive to you. If your thoughts in statistics are very unclear and lack a good direction, it becomes tough to write a reasonable hypothesis. So, you should start by getting subject knowledge and reading research … harry hazard author