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 458 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?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Did you know?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

Statistics Center (07/2016) Statistics Center (07/2016)
Students working in a group Students working in a group
The Location and Number of Food- and Beverage-Processing Facilities The Location and Number of Food- and Beverage-Processing Facilities
A thimble of water contains 4.0 x 1021 molecules. The number of moles of H2O is: A thimble of water contains 4.0 x 1021 molecules. The number of moles of H2O is:
People with normal color vision see the number 29 in the chart; however, those who are color-blind c People with normal color vision see the number 29 in the chart; however, those who are color-blind c
Plot showing the number of genes on each human chromosome Plot showing the number of genes on each human chromosome
Video: Types of antimicrobial substances (interferons & complement protein)

For a complete list of videos, visit our video library