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

Author Question: A sociologist develops a test to measure attitudes about public transportation, and 27 randomly ... (Read 35 times)

SAVANNAHHOOPER23

  • Hero Member
  • *****
  • Posts: 542
on: Aug 2, 2018
A sociologist develops a test to measure attitudes about public transportation, and 27 randomly selected subjects are given the test.
 
  Their mean score is 76.2 and their standard deviation is 21.4. Construct the 95 confidence interval for the standard deviation, , of the scores of all subjects.
  A) 17.2 <  < 27.2 B) 17.5 <  < 27.8 C) 16.6 <  < 28.6 D) 16.9 <  < 29.3

Question 2

You want to be 95 confident that the sample variance is within 20 of the true population variance.
 
  A) 182 B) 210 C) 3056 D) 191


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

poopface

  • Sr. Member
  • ****
  • Posts: 339
Reply #1 on: Aug 2, 2018
Answer to Question 1

This is awesome you took your the time to answer these questions. You have been so helpful.

Answer to Question 2

B


SAVANNAHHOOPER23

  • Hero Member
  • *****
  • Posts: 542
Reply #2 on: Aug 2, 2018
Thank you!


poopface

  • Sr. Member
  • ****
  • Posts: 339
Reply #3 on: Aug 2, 2018
Always glad to help...


« previous next »
 

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Did you know?

For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Amonia plama test Amonia plama test
A Test for the Blind Spot A Test for the Blind Spot
Test for Depressive Symptoms: CED Scale Test for Depressive Symptoms: CED Scale
An example of a portion of a manifest used in marine transportation. An example of a portion of a manifest used in marine transportation.
Finger-to-nose test Finger-to-nose test
Weber test Weber test
Video: Dissociative Disorders (Part 2)

For a complete list of videos, visit our video library