MRS. SCHRADER'S HS WEEBLY - Home



THIS APPLIES TO THE 2020 EXAM ONLY!!!TESTCONDITIONSNULL HYPOTHESISTEST STATISTICP-VALUECONFIDENCE INTERVALOne Proportion z-test1. Randomness (and thus independence)2. 10%3. Success/FailureH0:p=p0z=p-ppqnnormalcdf(lower, upper, mean, std dev)p±z*pqnTwo Proportion z-test1. Randomness (and thus independence)2. 10%3. Success/Failure4. Independent GroupsH0:p1-p2=0z=(p1-p2)-0ppooledqpooledn1+ppooledqpooledn2normalcdf(lower, upper, mean, std dev)(p1-p2)±z*p1q1n1+p2q2n2One Sample t-test 1.Randomness (and thus independence)2. 10%3. Nearly Normal/Large Enough SampleH0:μ=μ0t=x-μsnwith n-1 degrees of freedomtcdf(lower, upper, degrees of freedom)x±t*snTwo Sample t-test1. Randomness (and thus independence)2. 10%3. Independent Groups4. Nearly Normal/Large Enough SamplesH0:μ1-μ2=0t=x1-x2-0s12n1+s22n2with degrees of freedom from calc.tcdf(lower, upper, degrees of freedom)x1-x2±t*s12n1+s22n2Paired t-test1. Randomness (and thus independence)2. 10%3. Paired Data4. Nearly Normal/Large Enough SampleH0:μd=0t=d-0sdnwith n-1 degrees of freedomtcdf(lower, upper, degrees of freedom)d±t*sdn ................
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