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 145 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!

tkempin

  • Member
  • Posts: 332
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Did you know?

The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

Weber test: Place the base of the tuning fork on top of the client’s head. Weber test: Place the base of the tuning fork on top of the client’s head.
Ancient Warming Shrunk Horses to Housecat Size Ancient Warming Shrunk Horses to Housecat Size
Upper respiratory infection Upper respiratory infection
The four levels of PPE according to the EPA (from left to right): Level A, Level B, Level C, and ... The four levels of PPE according to the EPA (from left to right): Level A, Level B, Level C, and ...
The IPCC projects sea level rise The IPCC projects sea level rise
The Turing Test The Turing Test
Video: Interspecific Competition Relationship - Competitive & Niche Differentiation

For a complete list of videos, visit our video library