subject: STATISTICS AND PROBABILITY
(I really need this now) 20 points
A. find the t-value of
1. 0.025 and 6 df
2. 0.025 and 9 df
3. 0.050 and 12 df
4. 0.005 and 10 df
5. 0.010 and 15 df
B. Find the t-value associated with each of the following:
1. n= 8 and 0.95 CC
2. n= 12% 0.95 CC
3. n= 16% 0.99 CC
4. n= 20&0.99 CC
5. n= 25&0.99 CC
C. Find the Margin of error given the following situations:
1. n=5,s=2,&95% CL
2. n=7,s=6,&90% CL
3. n=10,s=6,&95% CL
4. n=12,s=6,&99% CL
5. n=18,s=4,&99% CL
(I really need this now) 20 points
A. find the t-value of
1. 0.025 and 6 df
2. 0.025 and 9 df
3. 0.050 and 12 df
4. 0.005 and 10 df
5. 0.010 and 15 df
B. Find the t-value associated with each of the following:
1. n= 8 and 0.95 CC
2. n= 12% 0.95 CC
3. n= 16% 0.99 CC
4. n= 20&0.99 CC
5. n= 25&0.99 CC
C. Find the Margin of error given the following situations:
1. n=5,s=2,&95% CL
2. n=7,s=6,&90% CL
3. n=10,s=6,&95% CL
4. n=12,s=6,&99% CL
5. n=18,s=4,&99% CL
Answers & Comments
A.
1. t-value = 2.571
2. t-value = 2.306
3. t-value = 2.178
4. t-value = 3.169
5. t-value = 2.947
B.
1. t-value = 2.306
2. t-value = 2.179
3. t-value = 2.947
4. t-value = 2.528
5. t-value = 2.492
C.
1. Margin of error = 3.603
2. Margin of error = 3.525
3. Margin of error = 3.169
4. Margin of error = 3.415
5. Margin of error = 2.878
A.
1. 2.447
2. 2.306
3. 2.179
4. 3.169
5. 2.947
B.
1. 2.306
2. 2.179
3. 2.921
4. 2.527
5. 2.485
C.
1. 2.776
2. 3.308
3. 2.306
4. 3.055
5. 2.497
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