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

Author Question: Which of the following symbols represents the standard deviation of a population? a. 2 b. c. ... (Read 37 times)

deesands

  • Hero Member
  • *****
  • Posts: 514
on: Jun 24, 2018
Which of the following symbols represents the standard deviation of a population?
 a.  2
  b.
  c.
  d. x

Question 2

A random sample of 64 SAT scores of students applying for merit scholarships showed an average of 1400 with a standard deviation of 240 . The t value needed to develop the 95 confidence interval for the population mean SAT score is
 a. 1.96.
   b. 1.998.
   c. 1.645.
   d. 1.28.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

cloud

  • Sr. Member
  • ****
  • Posts: 343
Reply #1 on: Jun 24, 2018
Answer to Question 1

b

Answer to Question 2

b


deesands

  • Member
  • Posts: 514
Reply 2 on: Jun 24, 2018
Wow, this really help

meow1234

  • Member
  • Posts: 333
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

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?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Population genetics sample question Population genetics sample question
Worldwide Variations in Population and Income Levels Developed countries represent only 18% of the Worldwide Variations in Population and Income Levels Developed countries represent only 18% of the
Population Growth Population Growth
The level of future emissions is closely linked to the rate of population growth The level of future emissions is closely linked to the rate of population growth
Changes in the Age Structure of the Population, 1950–2050 Changes in the Age Structure of the Population, 1950–2050
HIV in population worldwide HIV in population worldwide
Video: Calvin Cycle Explained!

For a complete list of videos, visit our video library