This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A drug company wanted to test a new depression medication. The researchers found 500 adults aged ... (Read 120 times)

james9437

  • Hero Member
  • *****
  • Posts: 568
on: Jul 24, 2018
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
Reply #1 on: Jul 24, 2018
Answer to Question 1

A

Answer to Question 2

A


james9437

  • Member
  • Posts: 568
Reply 2 on: Jul 24, 2018
Wow, this really help

vickyvicksss

  • Member
  • Posts: 351
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Did you know?

The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

Intradermal drug administration: (a) cross section of skin showing depth of needle insertion Source: Intradermal drug administration: (a) cross section of skin showing depth of needle insertion Source:
Subcutaneous drug administration: (a) cross section of skin showing depth of needle insertion; Subcutaneous drug administration: (a) cross section of skin showing depth of needle insertion;
Researchers must inform potential participants of a study's procedures so that consent may be o Researchers must inform potential participants of a study's procedures so that consent may be o
Monitoring and Following Up on Laboratory Test Results Monitoring and Following Up on Laboratory Test Results
Drug-drug interactions Drug-drug interactions
A company spends $117 500 today and has positive cash inflows of $34 000 for each of the next 6 ... A company spends $117 500 today and has positive cash inflows of $34 000 for each of the next 6 ...
Video: How does asthma work?And How do you treat asthma?

For a complete list of videos, visit our video library