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

Author Question: Exhibit 10-3A statistics teacher wants to see if there is any difference in the abilities of ... (Read 19 times)

0220521

  • Full Member
  • ***
  • Posts: 130
on: Mar 25, 2023

Exhibit 10-3
A statistics teacher wants to see if there is any difference in the abilities of students enrolled in statistics today and those enrolled five years ago. A sample of final examination scores from students enrolled today and from students enrolled five years ago was taken. You are given the following information.

 

 

Today

Five Years Ago

82.0

88

σ2

112.5

54

n

45.0

36


Refer to Exhibit 10-3. The test statistic for the difference between the two population means is


◦

-.47


◦

-.65


◦

-1.5


◦

-3

Essentials of Statistics for Business and Economics ¦ Anderson, Sweeney, Williams, Camm, Cochran ¦ 7th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by 0220521 on Mar 25, 2023

dude123

  • Full Member
  • ***
  • Posts: 171
Reply #1 on: Mar 25, 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 42% of students answer this correctly


0220521

  • Member
  • Posts: 130
Reply 2 on: Mar 25, 2023
Wow, this really help

kswal303

  • Member
  • Posts: 316
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Tiger quoll sleeping at the window of the nocturnal animals exhibit at Sydney Wildlife World Tiger quoll sleeping at the window of the nocturnal animals exhibit at Sydney Wildlife World
Illusionary picture of teacher’s head exploding Illusionary picture of teacher’s head exploding
Statistics Center (07/2016) Statistics Center (07/2016)
A typical open-end wrench. Note the size difference on each end and that the head is angled 15 ... A typical open-end wrench. Note the size difference on each end and that the head is angled 15 ...
A difference in oxygen content between the atmosphere and the exhaust gases enables an O2S to ... A difference in oxygen content between the atmosphere and the exhaust gases enables an O2S to ...
Becoming a Teacher Becoming a Teacher
Video: Hypoglycemia Animation

For a complete list of videos, visit our video library