Types of Data Worksheet

I. For the data below, indicate whether it is attribute data, rank data, or measurement data.

______12 Hondas, 8 Mercedes, 16 Volvos, 6 Fords, and 7 Pintos passed my house in an hour

______12 light trucks, 3 tractor trailers, 4 pickups, 7 economy cars, 4 luxury sedans passed my house in an hour

______121 female drivers and 211 male drivers passed my house in an hour

______18 toddlers, 12 babies, 7 teenagers, 9 children, 23 adults, and 4 senior citizens passed my house in an hour

______20 cars were going 55 MPH, 21 cars 60 MPH, 4 cars 30 MPH (the senior citizens), and 8 cars 75 MPH

______The average height of trees at the environmental center

______Types of flowering plants at the environmental center

______44 horsetails, 23 ferns, 18 mosses, 33 angiosperms, 127 conifers

______I have 8 books on microbiology, 16 on general biology, 9 on immunology, and 4 on chemistry in my office

______The age of students in the class

______My chemistry books are 10", 12", 11.5", and 7.5" in height

II. Rank the following entities. Indicate what criteria you used to rank them.

light trucks, tractor trailers, pickups, economy cars, luxury sedans

toddlers, babies, teenagers, children, adults, and senior citizens

horsetails, ferns, mosses, angiosperms, conifers

general, corporal, sergeant, private, captain

sparrow, ostrich, falcon, blue jay

Data Description -- Central Tendencies Worksheet

I. Construct a histogram for the following data and indicate whether the data is uniform, skewed, bimodal, or normal

The sizes of trees at the environmental center were as follows (in meters): 1, 4, 6, 9, 7, 5, 7, 9, 6, 6, 5, 3, 5, 7, 9, 8, 8, 7, 7, 9, 8, 6, 1, 6, 8, 5, 9, 5, and 9.

The weights of squirrels were as follows (in grams): 2, 2, 1, 2, 3, 1, 2, 3, 2, 2, 1, 3, 2, and 2.

The scores on the last exam were as follows (in percent correct): 50, 50, 85, 90, 100, 95, 88, 55, 45, 90, 89, 100, 55, 54, 33, 54, 97, 40, 99, 100, 51, 47, 45, 90, 88, and 60]

The ages of students in the class are as follows (in years): 17, 19, 21, 20 , 17, 18, 18, 20, 17, 19, 18, 20, and 19.

The temperatures this month were as follows (in degrees Celsius): 27, 28, 19, 12, 17, 10, 20, 14, 17, 12, 25, 9, 15, 11, 22, 13 and 14.

II. Determine the mean, mode, and median of the above data

III. For which of the above data is the mean, mode, and median most meaningful?

III. The mode, mean, and median will be the same if data conforms to what type of distribution?

Data Description -- Dispersion Worksheet

I. Determine the range, variance, standard deviation,

The sizes of trees at the environmental center were as follows (in meters): 1, 4, 6, 9, 7, 5, 7, 9, 6, 6, 5, 3, 5, 7, 9, 8, 8, 7, 7, 9, 8, 6, 1, 6, 8, 5, 9, 5, and 9.

The weights of squirrels were as follows (in grams): 2, 2, 1, 2, 3, 1, 2, 3, 2, 2, 1, 3, 2, and 2.

The scores on the last exam were as follows (in percent correct): 50, 50, 85, 90, 100, 95, 88, 55, 45, 90, 89, 100, 55, 54, 33, 54, 97, 40, 99, 100, 51, 47, 45, 90, 88, and 60]

The ages of students in the class are as follows (in years): 17, 19, 21, 20 , 17, 18, 18, 20, 17, 19, 18, 20, and 19.

The temperatures this month were as follows (in degrees Celsius): 27, 28, 19, 12, 17, 10, 20, 14, 17, 12, 25, 9, 15, 11, 22, 13 and 14.