Assignment
Active
Choosing Representative Samples
Linda randomly surveyed 20 teachers at her school
about whether they prefer chalkboards or dry erase
boards. She repeated the survey three times with three
different sets of teachers.
Which pair of Linda's samples seems to have the
lowest variability and, therefore, are representative
samples?
Chalk
Dry Erase
samples 1 and 2
samples 1 and 3
samples 2 and 3
none of the samples
QO
Sample 1
12
Sample 2
11
19
Sample 3
✓
Done

Which point on the x-axis lies on the line that passes through point c and is parallel to lino ab?

Determine the common ratio and find the next three terms of the geometric sequence. 649-14-02-00-00_files/i0100000, 649-14-02-00-00_files/i0100001, 2, a. 3; 649-14-02-00-00_files/i0100002, 649-14-02-00-00_files/i0100003, 649-14-02-00-00_files/i0100004. c. 649-14-02-00-00_files/i0100005; 649-14-02-00-00_files/i0100006, 649-14-02-00-00_files/i0100007, 649-14-02-00-00_files/i0100008. b. 3; 6, 18, 54 d. 649-14-02-00-00_files/i0100009. 6, 18, 54 select the best answer from the choices provided a b c d

Proving the congruent supplements theorem