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

Author Question: Exhibit 10-4The following information was obtained from independent random samples.Assume normally ... (Read 50 times)

warrenjean01

  • Full Member
  • ***
  • Posts: 158

Question 1

Exhibit 10-4
The following information was obtained from independent random samples.
Assume normally distributed populations with equal variances.

 

Sample 1

Sample 2

Sample Mean

45

42

Sample Variance

85

90

Sample Size

10

12


Refer to Exhibit 10-4. The degrees of freedom for the t-distribution are


22


23


24


19



Question 2

Exhibit 10-4
The following information was obtained from independent random samples.
Assume normally distributed populations with equal variances.

 

Sample 1

Sample 2

Sample Mean

45

42

Sample Variance

85

90

Sample Size

10

12


Refer to Exhibit 10-4. The 95% confidence interval for the difference between the two population means is


-5.372 to 11.372


-5 to 3


-4.86 to 10.86


-2.65 to 8.65



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by warrenjean01 on Mar 25, 2023

annaelena92

  • Full Member
  • ***
  • Posts: 167
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 42% of students answer this correctly




warrenjean01

  • Member
  • Posts: 158
Reply 2 on: Mar 25, 2023
Thanks for the timely response, appreciate it


zacnyjessica

  • Member
  • Posts: 345
Reply 3 on: Yesterday
Gracias!

 

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

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?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

For a complete list of videos, visit our video library