Question

The data for air traffic in ten days at a busy airport is recorded as follows. Make a stem-and-leaf plot for the given data.

293, 287, 309, 306, 295, 288, 285, 294, 306, 281

Answer 1

Stem and Leaf Plot:

Stem Leaf

28 1 5 7 8

29 3 4 5

30 6 6 9

Minimum: 281

Maximum: 309

Range: 28

Count: 10

Sum: 2944

Mean: 294.4

Median: 293.5

Mode: 306

Standard Deviation: 9.709

Variance: 94.27