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

Author Question: A statistics professor has 115 students in a statistics class and would like to estimate the number ... (Read 439 times)

SO00

  • Hero Member
  • *****
  • Posts: 568
on: Jun 24, 2018
A statistics professor has 115 students in a statistics class and would like to estimate the number of hours each student studied for the last exam.
 
  A random sample of 24 students was found to study an average of 6.8 hours with a standard deviation of 2.2 hours. The 90 confidence interval to estimate the average number of hours studying for the exam is ________.
  A) (6.69, 6.91)
  B) (5.86, 8.74)
  C) (6.11, 7.49)
  D) (5.79, 7.81)

Question 2

Two variables are dependent if changes in the levels of one variable do not affect the levels of the other variable.
 
  Indicate whether the statement is true or false
Business Statistics ¦ Donnelly ¦ 2nd Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

nital

  • Sr. Member
  • ****
  • Posts: 320
Reply #1 on: Jun 24, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 25% of students answer this correctly


SO00

  • Hero Member
  • *****
  • Posts: 568
Reply #2 on: Jun 24, 2018
Thank you


nital

  • Sr. Member
  • ****
  • Posts: 320
Reply #3 on: Jun 24, 2018
No problemo


« previous next »
 

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

Did you know?

Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

A leech, a member of the class Hirudinea. A leech, a member of the class Hirudinea.
On average, students in Roman Catholic schools score higher on national tests than students in ... On average, students in Roman Catholic schools score higher on national tests than students in ...
Calcium Channel Blockers (Class IV) and Miscellaneous Drugs for Dysrhythmias Calcium Channel Blockers (Class IV) and Miscellaneous Drugs for Dysrhythmias
Another class of dihydrofolate reductase inhibitors is exemplified by trimethoprim Another class of dihydrofolate reductase inhibitors is exemplified by trimethoprim
Structures of class I, class II, and class III mobile genetic elements Structures of class I, class II, and class III mobile genetic elements
Students working around a computer Students working around a computer
Video: Passive Smoke Exposure

For a complete list of videos, visit our video library