Weights of the NBA’s Top 50 Players Listed are the weights of the NBA’s top 50 players. Construct a grouped frequency distribution and a cumulative frequency distribution with 8 classes. Analyze the results in terms of peaks, extreme values, etc. 240 210 220 260 250 195 230 270 325 225 165 295 205 230 250 210 220 210 230 202 250 265 230 210 240 245 225 180 175 215 215 235 245 250 215 210 195 240 240 225 260 210 190 260 230 190 210 230 185 260

Calculate the Mean for the following frequency distribution. Round the result of the mean to two decimal places. Límit Frequency 100 - 110 24 111 - 121 36 122 - 132 22 133 - 143 11 144 - 154 9 155 - 165 24

A large company's human resources manager undertakes a research that examines the employment records of 500 employees for absenteeism over the previous year. The data is organised into a frequency distribution by the business researcher conducting the study to assist the human resources manager in analysing the data. This graphs show the frequency distribution. Class interval Frequency 0 – 1 218 2 – 3 207 4 – 5 56 6 – 7 11 8 – 9 8 List three specific uses of cumulative frequencies in business. Display a relative frequency histogram and relative frequency polygon for these data. Find mean, median, mode, variance and standard deviation for grouped data.

409 321 227 185 501 550 309 346 472 536 512 116 41 181 305 385 194 496 30 62 381 68 544 387 474 216 356 324 134 Construct a frequency distribution for the given data inclusive of midpoints, relative frequencies and cumulative frequencies.

Consider the following frequency table representing the distribution of hours students study for an exam in a week. Determine the class width of each class. Answer Hours Students Study for an Exam in a Week Class 20-28 29-37 38-46 47-55 56-64 Frequency 14 2 12 3 11