Answer:
can i see a pic
Step-by-step explanation:
Multiplying -15 by 60 yields -900, so the amount of water in the pool changes by -900 gallons in one hour.
Haha number one is 3 and two is 2
Answer: Jennifer didn't randomly assign participants to the control and experimental group.
Step-by-step explanation: In the scenario discussed above, Jennifer failed to perform a random assignment of the participants who took part in the survey, that is the experimental group, those who receive the treatment and the control group, those who don't. Random assignment is required in other to address the issue of bias in our experiment. She was supposed to perform a random assignment of the participants to the two groups instead of asking them to make a choice.
