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

Author Question: A teacher figures that final grades in the chemistry department are distributed as: A, 25%; F, 5%. ... (Read 87 times)

bobbie

  • Hero Member
  • *****
  • Posts: 592
on: Jan 16, 2020
A teacher figures that final grades in the chemistry department are distributed as: A, 25%; F, 5%. At the end of a randomly selected semester, the following number of grades were recorded. Calculate the chi-square test statistic to determine if the grade distribution for the department is different than expected. Use α = 0.01.


◦ 6.87
◦ 0.6375
◦ 5.25
◦ 4.82
Statistics: Informed Decisions Using Data ¦ Sullivan ¦ 5th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by bobbie on Jan 16, 2020

Jordin Calloway

  • Sr. Member
  • ****
  • Posts: 334
Reply #1 on: Jan 16, 2020
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


bobbie

  • Member
  • Posts: 592
Reply 2 on: Jan 16, 2020
YES! Correct, THANKS for helping me on my review

brbarasa

  • Member
  • Posts: 308
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

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?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Did you know?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

The chemistry of fireworks The chemistry of fireworks
Personal Beliefs Influence Grades Personal Beliefs Influence Grades
Common Blood Chemistry Tests Common Blood Chemistry Tests
The Final Thiolytic Cleavage The Final Thiolytic Cleavage
chemistry lab help chemistry lab help
chemistry homework help please chemistry homework help please
Video: Embryonic development - Week 3

For a complete list of videos, visit our video library