« previous next »

Author Question: For a particular sample of 50 scores on a statistics exam, the following results were obtained: ... (Read 199 times)

Diane

  • Hero Member
  • *****
  • Posts: 576
on: Jun 24, 2018
For a particular sample of 50 scores on a statistics exam, the following results were obtained:
 
  Mean = 78 Median = 80 Mode = 84 Range = 52
  First quartile = 68 Third quartile = 94 Standard deviation = 11
 
  What score was earned by more students than any other score? Why?

Question 2

What is the sample variance of the parking fines issued in Austin?
 
  A) 404.49
  B) 230.69
  C) 364.04
  D) 201.86


mmpiza

  • Sr. Member
  • ****
  • Posts: 354
Reply #1 on: Jun 24, 2018
Answer to Question 1

84; since it is the mode

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Aneurysm. Photograph of the aorta, the large blood vessel arising from the heart, with a large bulge Aneurysm. Photograph of the aorta, the large blood vessel arising from the heart, with a large bulge
Coronary artery bypass graft (CABG). The grafts are often obtained from the patient’s saphenous vein Coronary artery bypass graft (CABG). The grafts are often obtained from the patient’s saphenous vein
Results are shown for proteins denatured by two different environmental changes Results are shown for proteins denatured by two different environmental changes
Sample composition of maternal and paternal HLA haplotypes. Sample composition of maternal and paternal HLA haplotypes.
Statistics Question: A swim team Statistics Question: A swim team
A sample of baking soda is heated and releases carbon dioxide gas into a 1000-mL A sample of baking soda is heated and releases carbon dioxide gas into a 1000-mL
Video: HDL (high density lipoprotein)

For a complete list of videos, visit our video library