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

Author Question: The scores on a standardized test are reported by the testing agency to have a mean of 75. Based on ... (Read 66 times)

dakota nelson

  • Hero Member
  • *****
  • Posts: 604

Question 1

In a test of H0: μ = 250 against Ha: μ ≠ 250, a sample of n = 100 observations possessed mean = 247.3 and standard deviation s = 11.4. Find and interpret the p-value for the test.

Question 2

The scores on a standardized test are reported by the testing agency to have a mean of 75. Based on his personal observations, a school guidance counselor believes the mean score is much higher. He collects the following scores from a sample of 50 randomly chosen students who took the test.

39485563666868697071
71717374767676777879
79797980808283838385
85868688888888898989
90919292939596979799

Find and interpret the p-value for the test of H0: μ = 75 against Ha: μ > 75.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by dakota nelson on Feb 14, 2020

T4T

  • Sr. Member
  • ****
  • Posts: 348
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 29% of students answer this correctly




dakota nelson

  • Member
  • Posts: 604
Reply 2 on: Feb 14, 2020
Gracias!


amandalm

  • Member
  • Posts: 306
Reply 3 on: Yesterday
Excellent

 

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

Did you know?

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

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Did you know?

Fatal fungal infections may be able to resist newer antifungal drugs. Globally, fungal infections are often fatal due to the lack of access to multiple antifungals, which may be required to be utilized in combination. Single antifungals may not be enough to stop a fungal infection from causing the death of a patient.

For a complete list of videos, visit our video library