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

Author Question: For a one-tailed (upper tail) hypothesis test with a sample size of 18 and a .05 level of ... (Read 138 times)

roselinechinyere27m

  • Hero Member
  • *****
  • Posts: 557
on: Jun 24, 2018
For a one-tailed (upper tail) hypothesis test with a sample size of 18 and a .05 level of significance, the critical value of the test statistic t is
 a. 1.645.
   b. 1.734.
   c. 1.740.
   d. 2.110.

Question 2

From a population of size 600, a simple random sample of size 58 is selected. The sample mean is 400, and the sample standard deviation is 40. An approximate 95 confidence interval for the population mean is
 a. 395 to 405
  b. 380 to 420
  c. 360 to 440
  d. 390 to 410


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

AngeliqueG

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

c

Answer to Question 2

d


roselinechinyere27m

  • Member
  • Posts: 557
Reply 2 on: Jun 24, 2018
Gracias!

covalentbond

  • Member
  • Posts: 336
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

Sample Problem from Raven’s Progressive Matrices Sample Problem from Raven’s Progressive Matrices
Palette of King Narmer (front), Hierakonpolis, Upper Egypt. Palette of King Narmer (front), Hierakonpolis, Upper Egypt.
Test for Depressive Symptoms: CED Scale Test for Depressive Symptoms: CED Scale
A Mono-Diff test in which the presumptive well contains the patient's serum mixed with ... A Mono-Diff test in which the presumptive well contains the patient's serum mixed with ...
ABO and Rh grouping using gelatin centrifugation. The blood sample above is AB negative as indicated ... ABO and Rh grouping using gelatin centrifugation. The blood sample above is AB negative as indicated ...
Locations and reference zones of trigger points that cause headaches. A. Upper trapezius. B. ... Locations and reference zones of trigger points that cause headaches. A. Upper trapezius. B. ...
Video: Lipid digestion - mouth, stomach and small intestine

For a complete list of videos, visit our video library