This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: In developing an interval estimate for a population mean, the population standard deviation was ... (Read 131 times)

c0205847

  • Hero Member
  • *****
  • Posts: 531
on: Jun 24, 2018
In developing an interval estimate for a population mean, the population standard deviation  was assumed to be 10 . The interval estimate was 50.92  2.14 . Had  equaled 20, the interval estimate would be
 a. 60.92  2.14
  b. 50.92  12.14
  c. 101.84  4.28
  d. 50.92  4.28

Question 2

A multiple regression analysis involving three independent variables and 25 data points results in a value of 0.769 for the unadjusted coefficient of determination. Then, the adjusted coefficient of determination is:
 a. 0.385 c. 0.591
  b. 0.877 d. 0.736


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

lindahyatt42

  • Sr. Member
  • ****
  • Posts: 322
Reply #1 on: Jun 24, 2018
Answer to Question 1

D

Answer to Question 2

D


c0205847

  • Member
  • Posts: 531
Reply 2 on: Jun 24, 2018
Excellent

raili21

  • Member
  • Posts: 324
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

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.

Did you know?

Asthma cases in Americans are about 75% higher today than they were in 1980.

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Elementary particles included in the Standard Model Elementary particles included in the Standard Model
Population distribution (dispersion) Population distribution (dispersion)
Indoor air pollution in the developing world arises from fuelwood burning Indoor air pollution in the developing world arises from fuelwood burning
Working-Age Fraction of the U.S. Population, 1950–2050 Working-Age Fraction of the U.S. Population, 1950–2050
Life Expectancy in Developing Countries Life Expectancy in Developing Countries
Population age 65 and over and age 85 and over, selected years 1900-2008 and projected 2010-2050. Population age 65 and over and age 85 and over, selected years 1900-2008 and projected 2010-2050.
Video: The pH scale - Strong acids and Weak acids

For a complete list of videos, visit our video library