# For the sample data in Computational Problem 2.2, and again assuming an interval width of 1,…

For the sample data in Computational Problem 2.2, and again assuming an interval width of 1, compute the following:

a. Mode

b. Median

c. Mean

d. Exclusive and inclusive range

e. H spread

f. Variance and standard deviation

Computational Problem 2.2

The following data were obtained from classroom observations and reflect the number of incidences that preschool children shared during an 8 hour period.

Using an interval size of 1, construct or compute each of the following:

a. Frequency distribution

b. Cumulative frequency distribution

c. Relative frequency distribution

d. Cumulative relative frequency distribution

e. Histogram and frequency polygon

f. Cumulative frequency polygon

g. Quartiles

h. P10 and P90

i. PR(10)

j. Box-and-whisker plot

k. Stem-and-leaf display