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 205 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 :)

elyse44

  • Member
  • Posts: 319
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

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?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

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?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Genetic drift and population size. Genetic drift and population size.
Exponential population growth. Exponential population growth.
Bell Curve for Intelligence IQ scores for a population-based sample usually fall into this kind of Bell Curve for Intelligence IQ scores for a population-based sample usually fall into this kind of
Population and Settlement Population and Settlement
World Population, 1850–2150 World Population, 1850–2150
Population and Community Health Nursing, 6th Edition Population and Community Health Nursing, 6th Edition
Video: Studying the Left and Right Brain Independently

For a complete list of videos, visit our video library