b) Calculate the mean, the median, and the mode of the time needed for workers to complete a weld. (MEAN=69.13,MODE=72.7857,MEDIAN=70)

Extracted text: b) Calculate the mean, the median, and the mode of the time needed for workers to complete a weld. (MEAN=69.13,MODE=72.7857,MEDIAN=70)


Extracted text: The amount of time (seconds) needed for assembly-line workers to complete welding was recorded for 38 workers. 10. 74 68 66 73 76 63 67 69 73 65 61 73 72 65 69 70 61 74 76 72 74 65 63 69 73 60 75 72 75 70 60 62 68 74 71 73 68 67 a) Construct a frequency distribution for these data using six classes.