1 Data Analysis for Criminal Justice Lab Assignment 2: CCJ-4746 Name: ________________________________ Student ID: ______________ Total Pts: 50 Pts: 15 The following data represent the...

This is a Statistic assignment please see attached file and it needs to be done exactly as it is requested. please let me know if you can do this assisgnment


1 Data Analysis for Criminal Justice Lab Assignment 2: CCJ-4746 Name: ________________________________ Student ID: ______________ Total Pts: 50 Pts: 15 The following data represent the number of hours a week a person watches cable news shows. Using your calculator, determine the appropriate measures of central tendency. 1.) Put the scores in descending order _____________________________________ 2.) What is the mean score? ______ 3.) What is the sum of X? ______ 4.) What is the sum of X2? ______ 5.) What is the range? _______ 6.) What is the population standard deviation? _____ 7.) What is the sample standard deviation? _____ 8.) What number represents the 25 percentile? _____ 9.) What number represents the 50th percentile? _____ 10.) What number represents the 75th percentile? ______ 11.) Graph a box plot and tell me if the distribution is normal or not? How did you reach this conclusion? (You might have to Zoom, Zoomstat) (5 pts) 2 Data Analysis for Criminal Justice Assignment 2: CCJ-4746 Name: ________________________________ Student ID: ______________ points: 20 Read these directions carefully!! For this assignment, complete the following frequency distribution In excel. You will have to create the table from scratch in excel. This is not difficult, start by making the labels in the top row, than type the X’s and F’s, than label the totals row. Attacha copy of your spreadsheet to your submission complete with excel formulas for mean, median, and mode as shown in the quick review this week! Round to two decimal places. Table must be filled out, if you just answer the bottom part you score 0 for this section. Table itself is worth 5 points for the section. 1.Mean:___ (3 pts) 2.Mode:_____ (3 pts) 4.N:_________(3 pts) 3.Median:_____(3 pts) 5.Deviation score:_______ (3 pts) 3 Data Analysis for Criminal Justice Assignment 02 CCJ-4647 Name: ________________________________ Student ID: ______________ pts: 15 Run a box plot and histogram on the following data set on your calculator with the following data. Draw the Box Plot and histogram. Is it normal? How can you tell (use at least two methods discussed in class to answer this)? Are there any outliers? What other tests could be run to determine its normality? Do you need those tests to make a final determination in this case? Data: X F 2 12 1 9 7 1 4 4 5 2 3 8 6 6 13 1 Draw the box plot and histogram (I am not expecting artist quality but I should see the general shape) in this space. (5 pts) 4 Answer the questions with the space below here (10 pts 2 per question answered above) • Is it normal? • How can you tell (use at least two methods discussed in class to answer this)? • Are there any outliers? • What other tests could be run to determine its normality? • Do you need those tests to make a final determination in this case? Extra credit (2 pts) what does a KS – P value of .25 indicate? 5