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 156 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
Wow, this really help

amit

  • Member
  • Posts: 364
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Did you know?

The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

How the study of genomes and proteomes can provide us with connections to different biological level How the study of genomes and proteomes can provide us with connections to different biological level
Environmental factors restricting the distribution of Chthamalus to the upper intertidal zone. Environmental factors restricting the distribution of Chthamalus to the upper intertidal zone.
Nose Size Nose Size
Compression Test: Compression Gauge Compression Test: Compression Gauge
A sample of carbon monoxide gas occupies 125 mL at 20.0 °C and 455 mm Hg. If the A sample of carbon monoxide gas occupies 125 mL at 20.0 °C and 455 mm Hg. If the
The decay rate of a radioactive sample decreases from 175 kBq to 12.4 kBq in 18.3 s. What is ... The decay rate of a radioactive sample decreases from 175 kBq to 12.4 kBq in 18.3 s. What is ...
Video: How eudicots (true dicots) differ from monocots Animation

For a complete list of videos, visit our video library