# exercise 2.docx - Republic of the Philippines SURIGAO DEL...

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Republic of the Philippines SURIGAO DEL SUR STATE UNIVERSITY Tandag City, Main Campus Graduate School Name: RODOLFO P. YABUT , MAFLT I Subject: Statistics EXERCISE 2 A. Form the frequency distribution for each of the RETURN 2003 classified by RISK level using the following class interval widths for each distribution: 2. AVERAGE Class Interval Frequency 10-19 1 20-19 6 30-39 15 40-49 11 50-59 4 60-69 8 70-79 1 B. Consider the saturated fat and calories content of burger and chicken. Determine the mean and the standard deviation of each type of product. Make a table for saturated fat and calories and give discussion. Product Mean Standard Deviation Calories 518 136 249.99 299.99 349.99 399.99 449.99 499.99 549.99 599.99 649.99 699.99 749.99 799.99 More 0 1 2 3 4 5 6 Histogram Frequency Bin Frequency

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Republic of the Philippines SURIGAO DEL SUR STATE UNIVERSITY Tandag City, Main Campus Graduate School Calories Mean 518.3333333 Standard Error 32.08699368 Median 550 Mode 660 Standard Deviation 136.1335849 Sample Variance 18532.35294 Kurtosis -0.984563248 Skewness -0.149033365 Range 460 Minimum 290 Maximum 750 Sum 9330 Count 18 C. The following data represent the quarterly sales tax receipts (in thousands of dollars)
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