Identify the consequences that the following procedures are likely to have on both bias and sampling error in an experimental study.

a. assigning treatments to subjects alphabetically
b. increasing sample size
c. calculating power
d. applying every treatment to every experimental unit in random order
e. using a sample of convenience instead of a random sample
f. testing only one treatment group, without a control group
g. using a balanced design
h. informing the human subjects which treatment they will receive

Aline passes through the two given points. is it vertical , horizontal , or neither ? (5, 2), (-5, -2)

Which of the following is most likely the next step in the series? a3z, b6y, c9x, d12w, е15v, f18u

1. an economy consists of three workers: larry, moe, and curly. each works 10 hours a day and can produce two services: mowing lawns and washing cars. in an hour, larry can either mow one lawn or wash one car; moe can either mow one lawn or wash two cars; and curly can either mow two lawns or wash one car. a. calculate how much of each service is produced under the following circumstances: a. all three spend all their time mowing lawns. b. all three spend all their time washing cars. c. all three spend half their time on each activity d. larry spends half of his time on each activity, while moe only washes cars and curly only mows lawns b. using your answers to part a, draw a production possibilities frontier and label points a, b, c, and d on your graph. explain why the production possibilities frontier has the shape it does. c. are any of the allocations calculated in part a inefficient? explain.