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What other confidence interval would you choose to compute to obtain more information related to Domestic car sales? Explain why.

Calculate descriptive statistics (mean, median, range, standard deviation, and coefficient of variation) to summarize each of the three variables for the all Domestic cars. Use z-scores to determine if there any outliers in the data set for any of the three variables. If there are any outliers in any category, please list them and state […]

Calculate the mean, median and mode of the data set. Which measure of central location best describes the data in this task and why?

Describe the difference between a sample and a population and explain why is important to understand the difference of these terms? Which of these is used in this task? (1 marks) Construct a frequency table of the salaries, using a maximum of 10 groups, and enter your values in the table below. (5 marks; 1 […]

Calculate the average earnings of those working 40 per week or more and compare it with those working less than 40 hours per week, using the Dougherty dataset and briefly discuss your findings. Bi-variate Regression.

Table 1 Innovation in the Mobile Phone Industry Company Proportion of Sales Revenue from New Products % 1 27.4 2 15.7 3 85.34 4 94.2 5 60.0 6 57.5 7 13.4 8 8.0 9 0.0 10 33.6 11 15.7 12 100.0 Calculate the mean, mode, median, minimum, maximum, range, variance and standard deviation and present […]

Compare the number of discharges in 2010, 2012, and 2015 in all states using an ANOVA. Are there significantly more discharges? Describe the assumption of variance between groups and within groups?

Description After you have completed the assigned readings and viewed the assigned videos, write a 500-750 word summary of your results. Use the data provided in the topic material, “HCUP State Inpatient Databases (SID) File Composition – Number of Discharges by Year,” and appropriate statistics to address the following: Describe the mean, median, and mode […]

Explain how the mean, median, and mode all represent averages in this context.

Answer each question fully. Use a minimum of 250 words for a complete discussion post. While it is not required in this discussion, feel free to bring in outside resources to support your answers. Outside resources include materials outside of the textbook, such as a website. Explain how the mean, median, and mode all represent […]

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