Texas Instruments TI-84 PLUS SILV Guidebook - Page 379
matrix, listname1, freqlist1, alternative, drawflag, confidence level, pooled, confidence, level
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Function or Instruction/Arguments Result Key or Keys/Menu or Screen/Item rref(matrix) Returns the reduced row-echelon form of a matrix. y > MATH B:rref( R4Pr(x,y) Returns R, given rectangular coordinates x and y or a list of rectangular coordinates. y ; ANGLE 5:R4Pr( R4Pq(x,y) Returns q, given rectangular coordinates x and y or a list of y ; rectangular coordinates. ANGLE 6:R4Pq( 2-SampÜTest [listname1, listname2,freqlist1, freqlist2,alternative, drawflag] (Data list input) Performs a two-sample Û test. alternative=L1 is . drawflag=1 draws results; drawflag=0 calculates results. † ... TESTS E:2-SampÜTest 2-SampÜTest Sx1,n1, Sx2,n2[,alternative, drawflag] (Summary stats input) Performs a two-sample Û test. alternative=L1 is . drawflag=1 draws results; drawflag=0 calculates results. † ... TESTS E:2-SampÜTest 2-SampTInt [listname1, listname2, freqlist1,freqlist2, confidence level,pooled] (Data list input) Computes a two-sample t confidence interval. pooled=1 pools variances; pooled=0 does not pool variances. † ... TESTS 0:2-SampTInt 2-SampTInt v1,Sx1,n1, v2,Sx2,n2 [,confidence level,pooled] (Summary stats input) Computes a two-sample t confidence interval. pooled=1 pools variances; pooled=0 does not pool variances. † ... TESTS 0:2-SampTInt 2-SampTTest [listname1, listname2,freqlist1, freqlist2,alternative, pooled,drawflag] (Data list input) Computes a two-sample t test. alternative=L1 is . pooled=1 pools variances; pooled=0 does not pool variances. drawflag=1 draws results; drawflag=0 calculates results. † ... TESTS 4:2-SampTTest 2-SampTTest v1,Sx1,n1, v2,Sx2,n2[,alternative, pooled,drawflag] (Summary stats input) Computes a two-sample t test. alternative=L1 is . pooled=1 pools variances; pooled=0 does not pool variances. drawflag=1 draws results; drawflag=0 calculates results. † ... TESTS 4:2-SampTTest 2-SampZInt(s1,s2 [,listname1,listname2, freqlist1,freqlist2, confidence level]) (Data list input) Computes a two-sample z confidence interval. † ... TESTS 9:2-SampZInt( 2-SampZInt(s1,s2, v1,n1,v2,n2 [,confidence level]) (Summary stats input) Computes a two-sample z confidence interval. † ... TESTS 9:2-SampZInt( Appendix A: Functions and Instructions 372