This topic contains a solution. Click here to go to the answer

Author Question: A teacher figures that final grades in the chemistry department are distributed as: A, 25%; F, 5%. ... (Read 95 times)

bobbie

  • Hero Member
  • *****
  • Posts: 592
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


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
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
Great answer, keep it coming :)


chjcharjto14

  • Member
  • Posts: 342
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

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?

Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

For a complete list of videos, visit our video library