Answer: YES, it is unbiased because sample mean is EQUAL to population mean for random samples.
Step-by-step explanation: In a randomized experiment, sample distribution is representative of the population distribution, sample distribution is employed when reaching or involving the entire population in a research, study or experiment is impossible either due to logistics, cost or other constraints. Randomized samples involves that all subjects in the population have equal chances of being selected as part of the sample distribution.
The sample mean is EQUAL to the POPULATION mean for randomized samples.
Answer:
Yes. A propotion is to check if two things are equivelent. The ratios 4:18 and 2:9 are equivelent.
30 12/25 just figure out the fraction for the decimal. heres a website to help u https://www.calculator.net/fraction-calculator.html
Answer:
B
Step-by-step explanation:
Both simplify to 3/8