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

sample 1 and 2

Step-by-step explanation:

sample 1 and 2

Step-by-step explanation:

i do the quiz

i understand 100% 10/10 hit or miss?

step-by-step explanation:

the figures below are made out of circles, semicircles, quarter … find the area and the perimeter of each figure and give your answers as a completely simplified exact value in terms of π (no approximations). remember that we'll also have to cut whatever areas we get in half, since we're only dealing im pretty sure that is the right answer

step-by-step explanation: