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.