Using Technology to Perform Two-Sample Hypothesis Tests 465 See Example 2, page 422. See Example 2, page 431. See Example 1, page 449. TI-84 PLUS EDIT CALC TESTS 1: Z–Test... 2: T–Test... 3: 2–SampZTest... 4: 2–SampTTest... 5: 1–PropZTest... 6: 2–PropZTest... 7È ZInterval... TI-84 PLUS EDIT CALC TESTS 1: Z–Test... 2: T–Test... 3: 2–SampZTest... 4: 2–SampTTest... 5: 1–PropZTest... 6: 2–PropZTest... 7È ZInterval... TI-84 PLUS EDIT CALC TESTS 1: Z–Test... 2: T–Test... 3: 2–SampZTest... 4: 2–SampTTest... 5: 1–PropZTest... 6: 2–PropZTest... 7È ZInterval... TI-84 PLUS 2-SampZTest Inpt:Data Stats s1:960 s2:845 x1:5271 n1:250 x2:5121 È n2:250 TI-84 PLUS 2-SampTTest Inpt:Data Stats x1:.52 Sx1:.05 n1:30 x2:.55 Sx2:.07 È n2:32 TI-84 PLUS 2-PropZTest x1:186 n1:200 x2:222 n2:250 p1:≠p2 <p2 >p2 Calculate Draw TI-84 PLUS 2-SampZTest Ç s2:845 x1:5271 n1:250 x2:5121 n2:250 μ1:≠μ2 <μ2 >μ2 Calculate Draw TI-84 PLUS 2-SampTTest Ç n1:30 x2:.55 Sx2:.07 n2:32 μ1:≠μ2 <μ2 >μ2 Pooled:No Yes Calculate Draw TI-84 PLUS 2-PropZTest p1≠p2 z=1.521898969 p=.12803444 np 1=.93 np 2=.888 È np=.9066666667 TI-84 PLUS 2-SampZTest μ1≠μ2 z=1.854468212 p=.0636720795 x1=5271 x2=5121 È n1=250 TI-84 PLUS 2-SampTTest μ1<μ2 t=-1.930301843 p=.0291499618 df=60 x1=.52 È x2=.55
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