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Analyse the data emphasising on statistical correlations, mean/median values, chi-squared test, coding of qualitative data.
PSY-5110 Applied Statistics Assignment heklp and solution, homework advice: Discuss Descriptive Statistics In Research- Northcentral University
What are some of the pitfalls and limitations of regression and correlation analysis and how might they impact a business decision?
Explain how the article uses descriptive statistics. Explain how the article applies to the real world, your major, your current job or your future career goal.
What is the sign and magnitude of the coefficient on rail distance, and what is the fit of the regression?
For the TML fraud questions, create a correlation matrix for all the variables. Do any of the correlations pose a concern?
What is the regression R-Squared and what does it mean regarding your data?
Discuss how you would respond and how you would explain the purpose of the t test and significance in this case.
This enables him to raise the price of day-old cookies to $1.15 per dozen. He can still sell all the day-old cookies. What is the new optimal service level?
Identify the hypothesis and variables that the program has been built around if you are evaluating a program or a policy.
Explain how the article uses descriptive statistics. Explain how the article applies to real world, your major, your current job, or your future career goal.
Describe the purpose of the statistical test. Provide two examples of actual business analyst applications for each of the statistical tests identified.
Consider how we can apply regression analysis to a business situation. In addition, discuss the importance of regression analysis in statistics.
What is the standard deviation of your portfolio? What is the expected return on your portfolio? Is it underpriced or overpriced?
Conduct a one-sample hypothesis test and determine if you can convince the CFO to conclude the plan will be profitable.
Identify any outliers in the data. State the interpretations in non-technical terms. What information might lead to a different conclusion?
How many categories are listed for analysis? What it the test statistic and what does it tell you about the probability?
Provide your SAS program (.sas format) and outputs from PROC SGPLOT and PROC MEANS. Change in operating cash flow scaled by average total assets (?OCF).
Given a real-life application, develop a hypothesis test for a population parameter and its interpretation. What is the critical value? Describe the rejection.
Formulate and evaluate hypothesis tests for population parameters based on sample statistics. Calculate the test statistic and the P-Value.
Which test statistic will you use for your hypothesis test; z-test or t-test? What is the value of test-statistic? What is p-value? What is the critical value?
Determine and interpret the linear correlation coefficient, and use linear regression to find a best fit line for a scatter plot of data and make predictions.
enerate plots to check assumptions of homogeneity of variance and normality of residuals. Report and interpret your results.
What is the probability of obtaining a value of 7? What is the probability of obtaining a value of 9 or greater? What is the probability the fatality resulted?
Demonstrate the use of the normal distribution, the standard normal distribution, and the central limit theorem for calculating areas under the normal curve.