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The following crimes are sorted by each neighborhood for 2014 to 2020, Assault, Auto Theft, Break and Entering, Robbery, Theft over $1000, Homicides and Shootings.
The following crimes are sorted by each neighborhood for 2014 to 2020, Assault, Auto Theft, Break and Entering, Robbery, Theft over $1000, Homicides and Shootings. In addition each crime has the rates for each crime. 1) Determine if the data is nominal, ordinal, interval or ratio and explain why. 2) Provide a summary table of all variables. Which crime has the highest number and rate and lowest number and rate for each category? Which crime has the highest number and rate in which neighbourhood and which crime has the lowest number and rate in which neighbourhood? 3) Find the mean , median and mode for all variables. 4) Answer the following questions: a) Is this qualitative or quantitative data? b) Is this continuous or discrete data? c) Provide the rationale for your answers. 5) Calculate the variance and standard deviation for all variables and graph the results. Are the graphs a normal curve, positively skewed or negatively skewed? Explain the results. 6) Determine the range, interquartile range, mean absolute deviation, standard deviation using the empirical rule and Chebyshev's theorem for all variables. 7) Determine the probability of all variables. 8) Is the sample size appropriate for the data set? Explain why? 9) Calculate the z-scores for all variables and plot the results. 10) Describe the distribution of the sample's mean for all variables using the central limit the orem. 11) Estimate the population mean for all variables. 12) Determine the sample size needed in order to estimate the population mean for all variables by year
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