Math 203 Statistics Homework 2
BRIDGES For problems 1-6, use the double stem-and-
leaf plot at the right. The main span of cable-stayed
bridges and of steel-arch bridges in the United States
are given in the stem-and-leaf plot. 10pts. ea.
1. Find the quar

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Chapter 2 Single variable data
1. Student in an online statistics course were asked how many different internet activities they '
engaged in during a typical week. The following data shows the number of activities. Set up an
Ungrouped Frequenc

Finding the Sample Mean
Given: The times, in seconds, required for a
sample of students to perform a required task
were:
6, 10, 13, 11, 12, 8
Find the sample mean x
1
The Formula - Knowing Its Parts
The calculation of a sample statistic requires the
us

Finding the Sample Mean
Given: The times, in seconds, required for a
sample of students to perform a required task
were:
6, 10, 13, 11, 12, 8
Find the sample mean x
1
The Formula - Knowing Its Parts
The calculation of a sample statistic requires the
us

Chapter 1 Quiz
_B_8. Merging systems theories with an ecological perspective is sometimes referred to as:
b. Ecosystems theory
True/False
Indicate whether the statement is true or false.
_T_9. Clients are in constant dynamic interactions with other system