Test Bank For Preliminary Edition of Statistics Learning from Data 1st Edition by Roxy Peck
TF
|
TF
|
TF
|
A segmented bar chart uses rectangles rather than circles to display different categories in a set of data.
|
A numerical variable is continuous if it’s possible values correspond to isolated points on the number line.
|
A time series plot is a graph of data that has been gathered at different points in time.
|
TF
|
TF
|
An outlier is a data value that is unusually far from the rest of the values in a data set.
|
When using histograms to compare groups of different sizes, one may use either frequencies or relative frequencies for the vertical axis and still be effective.
|
Chapter 2, Concept Quiz1. F
- T
- F
- T
- F
- F
- T
- F
- F
- T
- F
- F
2L|42H|3L|23H|894L|134H|55895L|111223345H|6689996L|2233446H|5556
stem: onesleaf: tenths
3. Knowledge of where animals forage for food is essential for effective wildlife management and conservation. The data below are foraging heights (in m) for a sample of Mountain Chickadees. The data are taken from two different species of fir trees: the Douglas fir and the White fir.Douglas: 22, 15, 16, 16, 16, 17, 17, 17, 18, 19, 19, 10, 10, 13, 13, 14 6,7, 7,8,8,9,3White: 28, 25, 21, 21, 18, 18, 16, 14, 14, 15, 15, 15, 15, 12, 12, 13 13,11,11, 8, 8, 7, 5, 3(a) Display these data using a comparative (back-to-back) stem-and-leaf plot. Use the stems shown below, and be sure to include all information needed to compare the two distributions.
|0L| |0H| |1L| |1H| |2L| |2H|
There are no reviews yet.