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

Author Question: After constructing a confidence interval estimate for a population mean, you believe that the ... (Read 194 times)

kfurse

  • Hero Member
  • *****
  • Posts: 590
on: Jun 24, 2018
After constructing a confidence interval estimate for a population mean, you believe that the interval is useless because it is too wide. In order to correct this problem, you need to:
 a. increase the sample size.
  b. increase the population standard deviation.
  c. increase the level of confidence.
  d. increase the sample mean.

Question 2

A multiple regression model has:
 a. only one independent variable. c. more than one dependent variable.
  b. only two independent variables. d. more than one independent variable.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

qytan

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Jun 24, 2018
Answer to Question 1

A

Answer to Question 2

D


kfurse

  • Member
  • Posts: 590
Reply 2 on: Jun 24, 2018
Great answer, keep it coming :)

Hdosisshsbshs

  • Member
  • Posts: 315
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

The bobcat population has seen declines in the American Midwest, but is generally stable and healthy The bobcat population has seen declines in the American Midwest, but is generally stable and healthy
Population of Major Civilizations of Europe, Asia, and Africa, AD 1500 Population of Major Civilizations of Europe, Asia, and Africa, AD 1500
Comparing Prison Inmates With The U.S. Population Comparing Prison Inmates With The U.S. Population
The population of Asia increases rapidly, the demand for food and water is also growing The population of Asia increases rapidly, the demand for food and water is also growing
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-
Constructing a restriction map (4 of 5) Constructing a restriction map (4 of 5)
Video: Kinetic parameters & Kinetic experiment

For a complete list of videos, visit our video library