This topic contains a solution. Click here to go to the answer

Author Question: In a lower one-tail hypothesis test situation, the p-value is determined to be 0.2 . If the sample ... (Read 24 times)

Pineapplelove6

  • Hero Member
  • *****
  • Posts: 560
In a lower one-tail hypothesis test situation, the p-value is determined to be 0.2 . If the sample size for this test is 51, the t statistic has a value of
 a. 0.849
  b. -0.849
  c. 1.299
  d. -1.299

Question 2

A simple random sample of 144 items resulted in a sample mean of 1257.85 and a standard deviation of 480 . Develop a 95 confidence interval for the population mean.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

xoxo123

  • Sr. Member
  • ****
  • Posts: 335
Answer to Question 1

B

Answer to Question 2

1179.45 to 1336.25




Pineapplelove6

  • Member
  • Posts: 560
Reply 2 on: Jun 24, 2018
Thanks for the timely response, appreciate it


amandanbreshears

  • Member
  • Posts: 320
Reply 3 on: Yesterday
Gracias!

 

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

For a complete list of videos, visit our video library