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 23 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
Great answer, keep it coming :)

LegendaryAnswers

  • Member
  • Posts: 341
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

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.

Triceps Reflex Test Triceps Reflex Test
To test the normally open contacts, connect one meter lead to terminal 30 and the other lead to ... To test the normally open contacts, connect one meter lead to terminal 30 and the other lead to ...
A Tough Economy ...for students A Tough Economy ...for students
Compression Test: Compression Gauge Compression Test: Compression Gauge
Urine Test for Pregnancy Urine Test for Pregnancy
Morgan’s test-cross analysis of genetic linkage between autosomal genes Morgan’s test-cross analysis of genetic linkage between autosomal genes
Video: Vascular tissues in a corn stem and a buttercup root

For a complete list of videos, visit our video library