The following are measurements of the heat-producing capacity (in millions of calories per ton) ofrandom samples of five specimens each of coal from two mines:Mine 1:Mine 2:8380 8210 8360 7840 79107540 7720 7750 8100 7690Below are the EXCEL outputs of the data at 95% confidence level:t-Test: Paired Two Sample for Meanst-Test: Two-Sample Assuming Equal VariMINE 1MINE 2MINE 1MINE 27760814063450MeanMean81407760Variance42650Variance6345042650ObservationsPooled VarianceObservationsPearson Correlation-0.69059Hypothesized Meardf53050Hypothesized Medf48t StatP(T<=t) one-tailt Critical one-tailP(T<=t) two-tailt Critical two-tail2.014279t Stat2.6086210.05712P(T<=t) one-tailt Critical one-tail0.0155991.8595482.1318470.11424P(T<=t) two-tail0.0311972.306004A.2.776445B. tCritical two-tail 25. What is the t- critical value?A. 2.131847B. 2.776445C. 1.859548038 D. 2.30600426. What is the p-value?A. 0.05712B. 0.11424C. 0.015598D. 0.031197

Here we have to test that average heat producing capacity of two Mines are equal or not. This is two…

Answered: 25. What is the t- critical value? B.…

25. What is the t- critical value? B. 2.776445 A. 2.131847 C. 1.859548038 D. 2.306004 26. What is the p-value? A. 0.05712 B. 0.11424 C. 0.015598 D. 0.031197

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

The following are measurements of the heat-producing capacity (in millions of calories per ton) of
random samples of five specimens each of coal from two mines:
Mine 1:
Mine 2:
8380 8210 8360 7840 7910
7540 7720 7750 8100 7690
Below are the EXCEL outputs of the data at 95% confidence level:
t-Test: Paired Two Sample for Means
t-Test: Two-Sample Assuming Equal Vari
MINE 1
MINE 2
MINE 1
MINE 2
7760
8140
63450
Mean
Mean
8140
7760
Variance
42650
Variance
63450
42650
Observations
Pooled Variance
Observations
Pearson Correlation-0.69059
Hypothesized Mear
df
53050
Hypothesized Me
df
4
8
t Stat
P(T<=t) one-tail
t Critical one-tail
P(T<=t) two-tail
t Critical two-tail
2.014279
t Stat
2.608621
0.05712
P(T<=t) one-tail
t Critical one-tail
0.015599
1.859548
2.131847
0.11424
P(T<=t) two-tail
0.031197
2.306004
A.
2.776445
B. tCritical two-tail

25. What is the t- critical value?
A. 2.131847
B. 2.776445
C. 1.859548038 D. 2.306004
26. What is the p-value?
A. 0.05712
B. 0.11424
C. 0.015598
D. 0.031197

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