« previous next »

Author Question: Suppose that 100 items are drawn from a population of manufactured products and the weight, X, of ... (Read 88 times)

SGallaher96

  • Hero Member
  • *****
  • Posts: 509
on: Jun 24, 2018
Suppose that 100 items are drawn from a population of manufactured products and the weight, X, of each item is recorded. Prior experience has shown that the weight has a non-normal probability distribution with  = 8 ounces and  = 3 ounces. Which of the following is true about the sampling of ?
 a. Its mean is 8 ounces. c. Its shape is approximately normal.
  b. Its standard error is 0.3 ounces. d. All of these choices are true.

Question 2

A regression line using 25 observations produced SSR = 118.68 and SSE = 56.32 . The standard error of estimate was:
 a. 2.11
  b. 1.56
  c. 2.44
  d. None of these choices.


laurnthompson

  • Sr. Member
  • ****
  • Posts: 334
Reply #1 on: Jun 24, 2018
Answer to Question 1

D

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

Did you know?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

Did you know?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

Lucy’s Body Weight Proportions Compared to a Bonobo Lucy’s Body Weight Proportions Compared to a Bonobo
Sample Items from the Brief Multidimensional Measure of Religiousness/Spirituality (BMMRS) Sample Items from the Brief Multidimensional Measure of Religiousness/Spirituality (BMMRS)
Comparing Prison Inmates With The U.S. Population Comparing Prison Inmates With The U.S. Population
Selected Natural Products Selected Natural Products
World Population, 10,000 B.C. to A.D. 2010 World Population, 10,000 B.C. to A.D. 2010
Demographic transition model for changes in population growth rates and sizes, correlated with long- Demographic transition model for changes in population growth rates and sizes, correlated with long-
Video: Ionic bonds - role of ions in the body

For a complete list of videos, visit our video library