A. Find the mean, median, mode, and standard deviation (in two decimal places) of the following set of data. Answer the questions that follow. Table 1. Number of typing errors committed by Secretary A in the 24 Chapters of Book x 12 26 42 38 35 37 Mean: 42 30 59 23 40 Median: 46 42 18 40 21 $7 Made 28 42 64 43 Standard Deviation: Table 2. Number of typing errors committed by Secretary B in the 24 Chapters of Book x 10 3.2 30 15 33 Mean: 22 34 29 25 37 20 Median: 43 32 38 10 22 37 Mode: 38 28 32 34 35 $3 Standard Deviation: Who shows poorer typing skills? Explain. Who has more consistent typing performance? Explain. B. Calculate the mean, median, mode, range, standard deviation, and the 75th percentile of the data below. Interpret the results. Table 3. Distribution for the hourly rate of workers in XYZ Factory CI 100-119 120-139 10 140-159 12 160-179 17 180-199 25 200-219 220-239 240-259 C. Determine each of the following areas and show this graphically. 1. above 2 1.46 2. Below 2--0.58 3. Between 2 0.76 and 2 2.88 4. between 2 -0.92 and 2-1.75 5. At lem 2 2 D. In a job fair, 3000 applicants applied for a job. Their mean age was found to be 28 with a standard deviation of 4 years. 1. Draw a normal curve distribution showing scores and the raw scores. 2. How many percent of the applicants are the 2 below 20 years old? 3. How many of them are below 20 years old? 4. How many percent have ages between 24 to 32 years old? 5. How many of them aged 24-32 years old