Author Question: For a lower tail hypothesis test with a sample size of 10 and a .10 level of significance, the ... (Read 160 times)

jake

  • Hero Member
  • *****
  • Posts: 538
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
Answer to Question 1

b

Answer to Question 2

b



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Did you know?

About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

For a complete list of videos, visit our video library