Engineering Data Analysis Collection of Data, Lecture notes of Data Analysis & Statistical Methods

Download Engineering Data Analysis Collection of Data and more Lecture notes Data Analysis & Statistical Methods in PDF only on Docsity! STEPS IN CONSTRUCTING A FREQUENCY DISTRIBUTION TABLE 1. RANGE, R 1. Class Boundaries (CB) a. Lower class boundary (LCB) 2. Number of Classes, k b. Upper class boundary (UCB) N - total number of observations in the Data Set 2. Class Mark (CM) 3. Class Size, c 3. Relative Frequency (RF) 4. Enumerate the classes or categories. 4. Cummulative Frequency 5. Tally the observations 6. Compute for values in other columns of the FDT as deemed necessary Collection, Organization and Presentation of Data 𝑘 = 𝑁 𝑅 = ℎ𝑖𝑔ℎ𝑒𝑠𝑡 𝑣𝑎𝑙𝑢𝑒 − 𝑙𝑜𝑤𝑒𝑠𝑡 𝑣𝑎𝑙𝑢𝑒 c = 𝑅 𝑘 𝐿𝐶𝐵 = 𝐿𝐿 − 0.5 𝑈𝐶𝐵 = 𝑈𝐿 + 0.5 𝐶𝑀 = 𝐿𝐿 + 𝑈𝐿 2 %𝑅𝐹 = 𝑓𝑟𝑒𝑞𝑢𝑒𝑛𝑐𝑦 𝑁 𝑥 100% 203 493 145 698 340 295 601 392 650 357 695 405 276 395 175 234 568 349 389 321 680 489 124 267 390 212 486 129 583 127 653 489 Raw Data 201 342 649 623 458 322 453 540