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 191 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
Great answer, keep it coming :)

jomama

  • Member
  • Posts: 346
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

Did you know?

Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Statistics Center (07/2016) Statistics Center (07/2016)
Biology Teacher Biology Teacher
Holland’s six basic types of people based on vocational interests (attitudes, abilities, and ... Holland’s six basic types of people based on vocational interests (attitudes, abilities, and ...
The slight (5 microsecond) difference in the firing of the companion cylinders is enough time to ... The slight (5 microsecond) difference in the firing of the companion cylinders is enough time to ...
Becoming a Teacher Becoming a Teacher
Difference of Squares Difference of Squares
Video: Deafness Culture

For a complete list of videos, visit our video library