Sample #1 | Sample #2 | difference , Di =sample1-sample2 | (Di - Dbar)² |
36.2 | 28.5 | 7.7 | 0.131 |
55 | 20 | 35 | 765.214 |
51.1 | 46 | 5.1 | 5.006 |
38.9 | 34 | 4.9 | 5.941 |
43.2 | 36 | 7.2 | 0.019 |
48.8 | 52.5 | -3.7 | 121.826 |
25.6 | 26.5 | -0.9 | 67.856 |
49.9 | 46.5 | 3.4 | 15.504 |
sample 1 | sample 2 | Di | (Di - Dbar)² | |
sum = | 348.7 | 290 | 58.7 | 981.499 |
mean of difference , D̅ =ΣDi / n =
7.338
std dev of difference , Sd = √ [ (Di-Dbar)²/(n-1) =
11.841
-----------------------------
std error , SE = Sd / √n = 11.8412 /
√ 8 = 4.1865
t-statistic = (D̅ - µd)/SE = ( 7.3375
- 0 ) / 4.1865
= 1.753
Degree of freedom, DF= n - 1 =
7
p-value = 0.062 [excel function:
=t.dist.rt(t-stat,df) ]
Decision: p-value>α =0.01, Do not reject null
hypothesis
conclusion: option A)
will rate!! show good work plz Consider the accompanying data on breaking load (kg/25 mm width) for various fabrics in both an unabraded (U) condition and an abraded (A) condition. Use the paire...
Consider the accompanying data on breaking load (kg/25 mm width) for various fabrics in both an unabraded condition and an abraded condition. Test Ho: 4 = 0 versus Ha: u > 0 at significance level 0.01. Fabric 1 2 3 4 5 6 7 8 U 36.4 55.0 51.3 38.8 43.2 48.8 25.6 49.8 A 28.5 20.0 46.0 34.0 36.5 52.5 26.5 46.5 Calculate the test statistic and determine the P-value. (Round your test statistic to two decimal places and...
Consider the accompanying data on breaking load (kg/25 mm width) for various fabrics in both an unabraded condition and an abraded condition. Use the paired t test to test H0: ?D = 0 versus Ha: ?D > 0 at significance level 0.01. (Use ?D = ?U ? ?A.) Fabric 1 2 3 4 5 6 7 8 U 36.2 55.0 51.4 38.7 43.2 48.8 25.6 49.5 A 28.5 20.0...
Consider the accompanying data on breaking load (kg/25 mm width) for various fabrics in both an unabraded (U) condition and an abraded (A) condition Use the paired t test to test Ho: HD 0 versus Ha: HD> 0 at significance level 0.01. (Use μD-4-A.) Note: The data below is formatted such that you can copy and paste it into R. Fabric 4 u=c( 36.5, 55.0, 51.5, 38.6, 43.2, 48.8, 25.6, 49.7) A-c28.5,20.0, 46.0, 34.0, 36.5,52.5, 26.5,46.5) 1 2 3 5...
Consider the accompanying data on breaking load kg 25 mm width for various fabrics in both an unabraded condition and an abraded condition. Use the paired t test to test H ) Ap 0 versus H : μο > 0 at significance level 0.01. Use Fabric 4 U 36.5 55.0514 38.7 43.2 48.8 25.6 49.7 A 28.5 20.0 46.0 34.0 36.0 52.5 26.5 46.5 Calculate the test statistic and determine the P-value. (Round your test statistic to two decimal places...
4. Consider the accompanying data on breaking load (kg/25 mm width) for various fabrics in both an unabraded condition (U) and an abraded condition (A). Use an appropriate test, to test if the average breaking load of a fabric under unabraded condition is higher than in the abraded condition, at 0.01 level. Fabric 1 2 3 4 5 6 7 8 U A 36.4 28.5 55.0 20.0 51.5 46.0 38.7 34.5 43.2 36.5 48.8 52.5 25.6 26.5 49.8 46.5 a)...
4. Consider the accompanying data on breaking load (kg/25 mm width) for various fabrics in both an unabraded condition (U) and an abraded condition (A). Use an appropriate test, to test if the average breaking load of a fabric under unabraded condition is higher than in the abraded condition, at 0.01 level. Fabric 1 2 3 4 5 6 7 8 U A 36.4 28.5 55.0 20.0 51.5 46.0 38.7 34.5 43.2 36.5 48.8 52.5 25.6 26.5 49.8 46.5 a)...
4. Consider the accompanying data on breaking load (kg/25 mm width) for various fabrics in both an unabraded condition (U) and an abraded condition (A). Use an appropriate test, to test if the average breaking load of a fabric under unabraded condition is higher than in the abraded condition, at 0.01 level. Fabric 3 4 5 1 2 6 7 8 U A 36.4 28.5 55.0 20.0 51.5 46.0 38.7 34.5 43.2 36.5 48.8 52.5 25.6 26.5 49.8 46.5 a)...
4. Consider the accompanying data on breaking load (kg/25 mm width) for various fabrics in both an unabraded condition (U) and an abraded condition (A). Use an appropriate test, to test if the average breaking load of a fabric under unabraded condition is higher than in the abraded condition, at 0.01 level. Fabric 1 2 3 1 5 G 7 L 36.4 28.5 55.0 20.0 51.5 46.0 38.7 34.5 43.2 36.5 48.8 52.5 25.6 26.5 49.8 46.5 a) Write down...
4. Consider the accompanying data on breaking load (kg/25 mm width) for various fabrics in both an unabraded condition (U) and an abraded condition (A). Use an appropriate test, to test if the average breaking load of a fabric under unabraded condition is higher than in the abraded condition, at 0.01 level. Fabric 3 4 5 6 7 8 1 2 U A 36.4 55.0 51.5 38.7 28.5 20.0 46.0 34.5 43.2 36.5 48.8 25.6 52.5 26.5 49.8 46.5 a)...
ANSWER IS EITHER A OR B ANSWER IS EITHER B OR D Consider the accompanying data on breaking load (kg/25 mm width) for various fabrics in both an unabraded condition and an abraded condition. Use the paired t test to test Ho: HD0 sus H: HD > 0 at significance level 0.01. (Use Fabric 1 36.3 28.5 2 55.0 20.0 3 51.1 46.0 4 38.7 34.0 5 43.2 36.0 6 48.8 52.5 7 25.6 26.5 8 49.5 46.5 Calculate the...