« previous next »

Author Question: A population of size 1,000 has a proportion of 0.5 . Therefore, the proportion and the standard ... (Read 92 times)

ssal

  • Hero Member
  • *****
  • Posts: 572
on: Jun 24, 2018
A population of size 1,000 has a proportion of 0.5 . Therefore, the proportion and the standard deviation of the sample proportion for samples of size 100 are
 a. 500 and 0.047
   b. 500 and 0.050
   c. 0.5 and 0.047
   d. 0.5 and 0.050

Question 2

A regression model between sales (y in 1000), unit price (x1 in dollars), and television advertisement (x2 in dollars) resulted in the following function: y = 7 - 3x1 + 5x2 For this model, SSR = 3500, SSE = 1500, and the sample size is 18 . To test for the significance of the model, the p-value is
 a. less than .01.
  b. between .01 and .025.
  c. between .025 and .05.
  d. greater than .10.


bookworm410

  • Sr. Member
  • ****
  • Posts: 341
Reply #1 on: Jun 24, 2018
Answer to Question 1

c

Answer to Question 2

a


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Did you know?

The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

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.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Predators and Population Cycles Predators and Population Cycles
Stars vary widely in size. Stars vary widely in size.
Nose Size Nose Size
Although average brain size increases gradually though time in H. erectus, individuals with small br Although average brain size increases gradually though time in H. erectus, individuals with small br
Population and Settlement Population and Settlement
Age-Standardized Suicide Rates (per 100 000 Population), Both Sexes, 2016 Age-Standardized Suicide Rates (per 100 000 Population), Both Sexes, 2016
Video: Parkinson's Disease

For a complete list of videos, visit our video library