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

Author Question: Test scores on a standardized test from samples of students from two universities are given ... (Read 13 times)

zl00505

  • Full Member
  • ***
  • Posts: 146

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.



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
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


Missbam101

  • Member
  • Posts: 341
Reply 3 on: Yesterday
Excellent

 

Did you know?

It is difficult to obtain enough calcium without consuming milk or other dairy foods.

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

For a complete list of videos, visit our video library