Answer:
Step-by-step explanation:
A nationally known cosmetics company hires a market research firm to test new formulations of moisturizer. Using their extensive list of possible subjects,
the market researchers first divide the subjects into 5 age groups and then randomly select names from each age group to participate in a study. This is an
example of
systematic sampling
a simple random sample
stratified sampling
cluster sampling
Answer:
{3, 4, 5, 6, 7, 8, 9, 10, 11}
Step-by-step explanation:
Let integer be x
x > 2 and x < 12
gives
2 < x < 12
All such integers are {3, 4, 5, 6, 7, 8, 9, 10, 11}
E-english class
M-math class
E=1/2s•M
Answer:
A 5.25, B 5.75, C 10.25, D 25.8125
Step-by-step explanation: