« previous next »

Author Question: For a lower tail hypothesis test with a sample size of 10 and a .10 level of significance, the ... (Read 148 times)

jake

  • Hero Member
  • *****
  • Posts: 538
on: Jun 24, 2018
For a lower tail hypothesis test with a sample size of 10 and a .10 level of significance, the critical value of the test statistic t is
 a. -1.372.
   b. -1.383.
   c. -1.812.
   d. -1.833.

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 total is
 a. 350,000 to 450,000
  b. 234,010 to 245,990
  c. 350 to 400
  d. 390 to 409


chloejackso

  • Sr. Member
  • ****
  • Posts: 316
Reply #1 on: Jun 24, 2018
Answer to Question 1

b

Answer to Question 2

b


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

jake

  • Hero Member
  • *****
  • Posts: 538
Reply #2 on: Jun 24, 2018
Thank you :)


chloejackso

  • Sr. Member
  • ****
  • Posts: 316
Reply #3 on: Jun 24, 2018
Happy to help you


« previous next »
 

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Guinea pig being injected to test a chemical for its carcinogenic properties Guinea pig being injected to test a chemical for its carcinogenic properties
Tubal ligation. To minimize the size of the incisions necessary, laparoscopic surgery may be used to Tubal ligation. To minimize the size of the incisions necessary, laparoscopic surgery may be used to
The Mantoux tuberculin skin test. Positive reaction. The Mantoux tuberculin skin test. Positive reaction.
Sample of a business card design. Sample of a business card design.
A sample of work by a Grade 4 student with a specific learning disorder A sample of work by a Grade 4 student with a specific learning disorder
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
Video: Role of ATP in muscle movement

For a complete list of videos, visit our video library