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

Author Question: The margin of error for the results of a survey takes into account a. error due to biased wording ... (Read 622 times)

Bob-Dole

  • Hero Member
  • *****
  • Posts: 547
on: Jul 24, 2018
The margin of error for the results of a survey takes into account
 a. error due to biased wording of questions.
  b. error due to the order in which questions are presented.
  c. variability due to random sampling.
  d. all of the above.

Question 2

A large company examines the annual salaries for all of the men and women performing a certain job and finds that the means and standard deviations are 32,120 and 3,240, respectively, for the men and 34,093 and 3521, respectively, for the women. The best way to determine if there is a difference in mean salaries for the population of men and women performing this job in this company is
 a. to compute a 95 confidence interval for the difference.
  b. to subtract the two sample means.
  c. to test the hypothesis that the population means are the same versus that they are different.
  d. to test the hypothesis that the population means are the same versus that the mean for men is higher.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

yasmin

  • Sr. Member
  • ****
  • Posts: 319
Reply #1 on: Jul 24, 2018
Answer to Question 1

C

Answer to Question 2

B


Bob-Dole

  • Member
  • Posts: 547
Reply 2 on: Jul 24, 2018
Excellent

ashely1112

  • Member
  • Posts: 347
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

Did you know?

More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

The traits Mendel used in his experiments, and the results of the F1 and F2 generation crosses. The traits Mendel used in his experiments, and the results of the F1 and F2 generation crosses.
Lab results Lab results
If the gauge reading is now much higher than the first test results, then the cause of the low ... If the gauge reading is now much higher than the first test results, then the cause of the low ...
Results of the serial dilution technique and subsequent culture of bacteria Results of the serial dilution technique and subsequent culture of bacteria
Maternal Serum Screen Results Indicating an Abnormality Maternal Serum Screen Results Indicating an Abnormality
Video: Contraction and Relaxation Animation

For a complete list of videos, visit our video library