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 36 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 :)

Alyson.hiatt@yahoo.com

  • Member
  • Posts: 354
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

Complications of influenza include: bacterial pneumonia, ear and sinus infections, dehydration, and worsening of chronic conditions such as asthma, congestive heart failure, or diabetes.

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Babinski Reflex Test Babinski Reflex Test
Whites pour mustard and ketchup over black (and white) students who were integrating a lunch counter ... Whites pour mustard and ketchup over black (and white) students who were integrating a lunch counter ...
Young adults with low levels of parental support report significantly better scores on measures of ... Young adults with low levels of parental support report significantly better scores on measures of ...
An example of an EHR screen used to order a laboratory test. An example of an EHR screen used to order a laboratory test.
Performing the manual compression test Performing the manual compression test
Emerson’s Three-Point Test-Cross Analysis Emerson’s Three-Point Test-Cross Analysis
Video: B cells and antibodies

For a complete list of videos, visit our video library