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

Author Question: Test scores on a standardized test from samples of students from two universities are given ... (Read 37 times)

zl00505

  • Full Member
  • ***
  • Posts: 146
on: Mar 25, 2023

Question 1

Six observations were selected from each of three populations. The data obtained is shown below.

 

Sample 1

Sample 2

Sample 3

31

31

37

28

32

36

34

33

39

32

30

40

26

32

35

29

34

35


 

a.Compute the overall sample mean .
b.Test at the α = 0.05 level to determine if there is a significant difference in the means of the three populations.



Question 2

Test scores on a standardized test from samples of students from two universities are given below.

 

 

UA

UB

Sample Size

28

41

Average Test Score

84

82

Variance

64

100


Provide a 98% confidence interval estimate for the difference between the test scores of the two universities.

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 zl00505 on Mar 25, 2023

ElaneShive

  • Full Member
  • ***
  • Posts: 175
    • using this promo code
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 29% of students answer this correctly

This really is helpful if you have clipped a ton of coupons will all be in one place so you're not paying a lot of time uncovering them. homesite

zl00505

  • Member
  • Posts: 146
Reply 2 on: Mar 25, 2023
Thanks for the timely response, appreciate it

Alyson.hiatt@yahoo.com

  • Member
  • Posts: 354
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

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.

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Ankle Reflex Test Ankle Reflex Test
Using the voltmeter leads from a starting and charging test unit to measure the voltage drop ... Using the voltmeter leads from a starting and charging test unit to measure the voltage drop ...
The experimental design and results of Lester and Gorzalka (1988). On the third test, the female ... The experimental design and results of Lester and Gorzalka (1988). On the third test, the female ...
The 10 Steps to Better Test-Taking The 10 Steps to Better Test-Taking
Drinking Alcohol use by college students Drinking Alcohol use by college students
Normal and abnormal corneal light reflection test Normal and abnormal corneal light reflection test
Video: Renin/Angiotensin (water gain from urine & Na ion and water reabsorption)

For a complete list of videos, visit our video library