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/...


Answer 22, 23, 24


24. From the given results above, which test is appropriate to test the significant difference between<br>the heat-producing capacities of the coal from the mines?<br>A. t-Test: Paired Two Sample for Means/ Dependent<br>B. t-Test: Two-Sample Assuming Equal Variances/ Independent<br>C. ANOVA<br>10<br>D. Z- test<br>

Extracted 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 10 D. Z- test
For #22 - #27:<br>The following are measurements of the heat-producing capacity (in millions of calories per ton) of<br>random samples of five specimens each of coal from two mines:<br>Mine 1:<br>8380 8210 8360 7840 7910<br>Mine 2:<br>7540 7720 7750 8100 7690<br>Below are the EXCEL outputs of the data at 95% confidence level:<br>t-Test: Paired Two Sample for Means<br>t-Test: Two-Sample Assuming Equal Vari<br>MINE 1<br>MINE 2<br>MINE 1<br>MINE 2<br>Mean<br>8140<br>7760<br>Mean<br>8140<br>7760<br>Variance<br>63450<br>42650<br>Variance<br>63450<br>42650<br>Observations<br>50<br>50<br>Observations<br>Pearson Correlation -0.69059<br>Pooled Variance<br>53050<br>Hypothesized Mear<br>df<br>Hypothesized Mea<br>df<br>4.<br>8<br>t Stat<br>2.014279<br>t Stat<br>2.608621<br>P(T<=t) one-tail<br>t Critical one-tail<br>0.05712<br>2.131847<br>P(T<=t) one-tail<br>t Critical one-tail<br>0.015599<br>1.859548<br>P(T<-t) two-tail<br>t Critical two-tail<br>P(T<=t) two-tail<br>0.11424<br>0.031197<br>A. t Critical two-tail<br>2.776445<br>В.<br>2.306004<br>22. Which of the two excel output above is the correct result of the data.<br>B. Choice B<br>A. Choice A<br>C. Both<br>D.None<br>23. What is the appropriate set of hypotheses for this test?<br>A. Ho: H1 - Hz <0 vs HA: - 2>0<br>B. Ho: H1 - H2 = 0 vs HA: µ - 42 #0<br>C. Ho: H1 - Hz 20 vs HA: H1 - H2 = 0<br>D. Ho: H1 - Hz 20 vs HA: H - H2 > 0<br>%3D<br>

Extracted 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: Mine 1: 8380 8210 8360 7840 7910 Mine 2: 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 Mean 8140 7760 Mean 8140 7760 Variance 63450 42650 Variance 63450 42650 Observations 50 50 Observations Pearson Correlation -0.69059 Pooled Variance 53050 Hypothesized Mear df Hypothesized Mea df 4. 8 t Stat 2.014279 t Stat 2.608621 P(T<=t) one-tail="" t="" critical="" one-tail="" 0.05712="" 2.131847=""><=t) one-tail="" t="" critical="" one-tail="" 0.015599="" 1.859548=""><-t) two-tail="" t="" critical="" two-tail=""><=t) two-tail="" 0.11424="" 0.031197="" a.="" t="" critical="" two-tail="" 2.776445="" в.="" 2.306004="" 22.="" which="" of="" the="" two="" excel="" output="" above="" is="" the="" correct="" result="" of="" the="" data.="" b.="" choice="" b="" a.="" choice="" a="" c.="" both="" d.none="" 23.="" what="" is="" the="" appropriate="" set="" of="" hypotheses="" for="" this="" test?="" a.="" ho:="" h1="" -="" hz=""><0 vs="" ha:="" -="" 2="">0 B. Ho: H1 - H2 = 0 vs HA: µ - 42 #0 C. Ho: H1 - Hz 20 vs HA: H1 - H2 = 0 D. Ho: H1 - Hz 20 vs HA: H - H2 > 0 %3D

Jun 01, 2022
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