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

Author Question: If the underlying populations are normally distributed and both population variances are equal, the ... (Read 83 times)

ddddddddddeeee4444

  • Full Member
  • ***
  • Posts: 157
on: Feb 26, 2023

Question 1

If the process of selecting individuals or objects in sample 1 has no effect on, or no relation to, the selection of individuals or objects in sample 2, the samples are:

◦

independent.


◦

dependent.


◦

discrete.


◦

paired.



Question 2

If the underlying populations are normally distributed and both population variances are equal, the test statistic

​

\(\style{font-family:Times New Roman;}{\frac{{\overline X}_1-{\overline X}_2-\Delta_0}{S_p^2\sqrt{\frac1{n_1}+\frac1{n_2}}}}\)

​

follows a:


◦

standard normal distribution if both samples are large.


◦

Student’stdistribution with\(\style{font-family:Times New Roman;}{n-1}\)degrees of freedom.


◦

standard normal distribution with\(\style{font-family:Times New Roman;}{n_1+n_2-2}\)degrees of freedom.


◦

Student’stdistribution with\(\style{font-family:Times New Roman;}{n_1+n_2-2}\)degrees of freedom.

Introductory Statistics: A Problem-Solving Approach ¦ Kokoska ¦ 3rd Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by ddddddddddeeee4444 on Feb 26, 2023

breounasmoot

  • Full Member
  • ***
  • Posts: 178
Reply #1 on: Feb 26, 2023
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 56% of students answer this correctly


ddddddddddeeee4444

  • Member
  • Posts: 157
Reply 2 on: Feb 26, 2023
Great answer, keep it coming :)

nothere

  • Member
  • Posts: 324
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Examining the survivorship curve of a Dall mountain sheep population reveals information on the caus Examining the survivorship curve of a Dall mountain sheep population reveals information on the caus
Effect of predator on prey populations. Effect of predator on prey populations.
Body size and population density of herbivorous mammals Body size and population density of herbivorous mammals
Details of plant population biology from repeat photography: (a) saguaro cactus in MacDougal Crater, Details of plant population biology from repeat photography: (a) saguaro cactus in MacDougal Crater,
Male Turkmen in the wealthier half of the population had higher fertility rates than those in the po Male Turkmen in the wealthier half of the population had higher fertility rates than those in the po
Population and Settlement Population and Settlement
Video: Virtual Enzyme Kinetics & Lineweaver Burk Plot

For a complete list of videos, visit our video library