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24. From the given results above, which test is appropriate to test the significant difference between the heat-producing capacities of the coal from the mines? A. t-Test: Paired Two Sample for Means/ Dependent B. t-Test: Two-Sample Assuming Equal Variances/ Independent C. ANOVA D 7- test

24. From the given results above, which test is appropriate to test the significant difference between the heat-producing capacities of the coal from the mines? A. t-Test: Paired Two Sample for Means/ Dependent B. t-Test: Two-Sample Assuming Equal Variances/ Independent C. ANOVA D 7- test

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.1: Measures Of Center
Problem 9PPS
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For #22 - #27: 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: 8380 8210 8360 7840 7910 7540 7720 7750 8100 7690 Mine 1: Mine 2: 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 Mean 8140 7760 Mean 8140 7760 Variance 63450 42650 Variance 63450 42650 w. Observations Observations Pearson Correlation-0.69059 Pooled Variance 53050 Hypothesized Mear df Hypothesized Mea df 8 t Stat 2.014279 t Stat 2.608621 P(T<=t) one-tail t Critical one-tail P(T<=t) one-tail t Critical one-tail 0.05712 0.015599 2.131847 1.859548 P(T<=t) two-tail t Critical two-tail P(T<=t) two-tail t Critical two-tail 0.11424 0.031197 A. 2.776445 2.306004 B.
Transcribed Image Text:For #22 - #27: 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: 8380 8210 8360 7840 7910 7540 7720 7750 8100 7690 Mine 1: Mine 2: 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 Mean 8140 7760 Mean 8140 7760 Variance 63450 42650 Variance 63450 42650 w. Observations Observations Pearson Correlation-0.69059 Pooled Variance 53050 Hypothesized Mear df Hypothesized Mea df 8 t Stat 2.014279 t Stat 2.608621 P(T<=t) one-tail t Critical one-tail P(T<=t) one-tail t Critical one-tail 0.05712 0.015599 2.131847 1.859548 P(T<=t) two-tail t Critical two-tail P(T<=t) two-tail t Critical two-tail 0.11424 0.031197 A. 2.776445 2.306004 B.
24. From the given results above, which test is appropriate to test the significant difference between the heat-producing capacities of the coal from the mines? A. t-Test: Paired Two Sample for Means/ Dependent B. t-Test: Two-Sample Assuming Equal Variances/Independent C. ANOVA D. Z- test
Transcribed Image Text:24. From the given results above, which test is appropriate to test the significant difference between the heat-producing capacities of the coal from the mines? A. t-Test: Paired Two Sample for Means/ Dependent B. t-Test: Two-Sample Assuming Equal Variances/Independent C. ANOVA D. Z- test
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