This topic contains a solution. Click here to go to the answer

Author Question: A drug company wanted to test a new depression medication. The researchers found 500 adults aged ... (Read 52 times)

james9437

  • Hero Member
  • *****
  • Posts: 568
A drug company wanted to test a new depression medication. The researchers found 500 adults aged 25-35 and randomly assigned them to two groups. The first group received the new drug, while the second received a placebo.
 
  After one month of treatment, the percentage of each group whose depression symptoms decreased was recorded and compared. Identify the experimental units. A) the 500 adults aged 25-35
  B) the percentage who had decreased depression symptoms
  C) the drug (medication or placebo)
  D) the one month treatment time

Question 2

According to government data, the probability that an adult was never in a museum is 10. In a random survey of 20 adults, what is the mean and standard deviation of the number that were never in a museum?
 
  A) mean: 2; standard deviation: 1.34164079 B) mean: 18 standard deviation: 1.41421356
  C) mean: 18; standard deviation: 1.34164079 D) mean: 2; standard deviation: 1.41421356



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

aloop

  • Sr. Member
  • ****
  • Posts: 315
Answer to Question 1

A

Answer to Question 2

A




james9437

  • Member
  • Posts: 568
Reply 2 on: Jul 24, 2018
YES! Correct, THANKS for helping me on my review


elyse44

  • Member
  • Posts: 319
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

For a complete list of videos, visit our video library