Reference no: EM13902052
The following data represent the lifetimes (in hours) of a sample of 40 transistors:
112, 121, 126, 108, 141, 104, 136, 134
121, 118, 143, 116, 108, 122, 127, 140
113, 117, 126, 130, 134, 120, 131, 133
118, 125, 151, 147, 137, 140, 132, 119
110, 124, 132, 152, 135, 130, 136, 128
(a) Determine the sample mean, median, and mode.
(b) Give a cumulative relative frequency plot of these data.
Compute the sample mean, median, and mode
: Group the data into class intervals of size 1 percent starting with the value 13.0, and draw the resulting histogram.
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