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This project was an extension of an earlier study of the characteristics of gang and non-gang Assault in Los Angeles. This study mainly investigating the relationship between occurrences of an offense called 'Assault' and certain indicators, such as various Terminology/Behavioral indicators and various Physical Evidences of gangsters.
The dataset includes 273 observations and 13 variables, where all the variables are measured on nominal level. The data were analyzed using descriptive statistics and inferential statistics. It was found from the result that the relationship between Assault and the terminology / behavior indicator 'Blood' is statistically significant.
It can also be observed that among all those incidents indentified to be 'Assault', 4.7% were found to be a gangbanging showing blood as the physical indicator of their gang. Hence, it is suggested that by considering this indicator (blood), the police officials can identify the offenders who involved in Assault, which in turn may reduce the occurrence of such crime in future
Perform a significance test to see if there is a relation between mortality and duration of employment in the group hired AFTER 1945 and report a p-value.
clark heste is an industrial engineer at lyones products. he would like to determine whether there are more units
(A) Calculate the probability of flipping 5 straight heads. (B) Calculate the expected value of the wager. Hint: Use results from (A) and
elizabeth has just put 4 new spark plugs in her car. for each spark plug the probability that it will fail in the next
in a test of effectiveness of garlic for lowering cholesterol 42 subjects were treated with garlic in a processed
The test question is: Should a merit raise be given? What is your conclusion? State the null and alternative hypotheses in symbolic form. State the null and alternative hypotheses in word form.
Do the data from this sample provide evidence for a significant increase in REM activity during exams? Use a one-tailed test with _ = .01. B.) Compute Cohen's d to estimate the size of the effect.
a witness to a hit-and-run accident told the police that the license number contained the letters rlh followed by 3
(a) State the hypothesis for a right-tailed test. (b) Obtain a test statistic and p-value assuming equal variances. Interpret these results. (c) Is the difference in mean scores large enough to be important?
whitney has stat 225 office hours every wednesday from 100 pm to 300 pm. the following table is the probability mass
The ________ is the probability of observing a sample value as extreme as, or more extreme than the value observed, given that the null hypothesis is true.
Find the asymptotic distribution of the MLE of the indicated parameter and find formulas for approximate standard errors of the MLE.
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