Students in a business statistics course performed a completely randomized design to test the strength of four brands of trash bags. One-pound weights were placed into a bag, one at a time, until the bag broke. A total of 24 bags, 6 for each brand, were used. The data in the accompanying table give the.weight (in pounds) required to break the trash bags. Complete (a) through (d) below. A Click on the icon to view the data table.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 42PFA
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please answer part b Also is there significant evidence that brand 1 and 3 different in mean ratings? is there significant evidence that brand 1 and 4 different in mean ratings? is there significant evidence that brand 2 and 3 different in mean ratings? is there significant evidence that brand 2 and 4 different in mean ratings? is there significant evidence that brand 3 and 4 different in mean ratings?
ss statistics course performed a completely randomized design to test the strength of four brands of trash bags. One-pound w
ne at a time, until the bag broke. A total of 24 bags, 6 for each brand, were used. The data in the accompanying table give the.
break the trash bags. Complete (a) through (d) below.
en to view the data table.
n to view
on to view a
Weight (in pounds) required to break the trash bags
C.
Brand 1
Brand 2
Brand 3
Brand 4
ound to two
34
34
34
18
39
36
34
17
cal value.
35
37
37
20
34
36
35
19
to two decir
36
36
32
20
37
38
34
17
. There is
determine wh
Print
Done
at evidence tha
appropriate to test which brands differ in mean strength.
Transcribed Image Text:ss statistics course performed a completely randomized design to test the strength of four brands of trash bags. One-pound w ne at a time, until the bag broke. A total of 24 bags, 6 for each brand, were used. The data in the accompanying table give the. break the trash bags. Complete (a) through (d) below. en to view the data table. n to view on to view a Weight (in pounds) required to break the trash bags C. Brand 1 Brand 2 Brand 3 Brand 4 ound to two 34 34 34 18 39 36 34 17 cal value. 35 37 37 20 34 36 35 19 to two decir 36 36 32 20 37 38 34 17 . There is determine wh Print Done at evidence tha appropriate to test which brands differ in mean strength.
Students in a business statistics course performed a completely randomized design to test the strength of four brands of trash bags. One-pound weights were
placed into a bag, one at a time, until the bag broke. A total of 24 bags, 6 for each brand, were used. The data in the accompanying table give the weight (in
pounds) required to break the trash bags. Complete (a) through (d) below.
Click on the icon to view the data table.
Click on the icon to view a partial table of critical values of F.
Click on the icon to view a partial table of critical values of the Studentized Range, Q.
Find the test statistic.
ESTAT = 172.07 (Round to two decimal places as needed.)
Determine the critical value.
F = 3.10 (Round to two decimal places as needed.)
Reach a decision.
Reject
Ho. There is
sufficient evidence of a difference in the mean strength of the four brands of trash bags.
b. If appropriate, determine which brands differ in mean ratings.
Is there significant evidence that Brand 1 and Brand 2 differ in mean strength?
A. Yes
B. No
C. It is not appropriate to test which brands differ in mean strength.
O O O
Transcribed Image Text:Students in a business statistics course performed a completely randomized design to test the strength of four brands of trash bags. One-pound weights were placed into a bag, one at a time, until the bag broke. A total of 24 bags, 6 for each brand, were used. The data in the accompanying table give the weight (in pounds) required to break the trash bags. Complete (a) through (d) below. Click on the icon to view the data table. Click on the icon to view a partial table of critical values of F. Click on the icon to view a partial table of critical values of the Studentized Range, Q. Find the test statistic. ESTAT = 172.07 (Round to two decimal places as needed.) Determine the critical value. F = 3.10 (Round to two decimal places as needed.) Reach a decision. Reject Ho. There is sufficient evidence of a difference in the mean strength of the four brands of trash bags. b. If appropriate, determine which brands differ in mean ratings. Is there significant evidence that Brand 1 and Brand 2 differ in mean strength? A. Yes B. No C. It is not appropriate to test which brands differ in mean strength. O O O
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