Question: HOW DO I DO Z PAIRED HYPOTHESIS ? THE REGULAR HYPOTHESIS IS GIVING ME BAD RESULTS AND I HEARD THIS WAS A PAIRED DEPENDENT SAMPLE.....

HOW DO I DO Z PAIRED HYPOTHESIS ?

THE REGULAR HYPOTHESIS IS GIVING ME BAD RESULTS AND I HEARD THIS WAS A PAIRED DEPENDENT SAMPLE.....

Descriptive Productivity |Productivity Statistics Time (BEFORE) Time (AFTER) Sample Mean 232 211.24 [X) Median 198 198 Std. Dev. (s) 172 141.63 Sample (n) 33 29 Alpha (a) 0.05 Ho =His H2 (Upper/Right Tail) Ha = (1> u2 Ho: Before Mean s New Mean 'Two Sample Hypothesis Test" Sample Size = n1 + n2 =33 +29 = 62 Sample Size 2 30 : Large Z Calculation Z = X - * / sqrt ([ 51+2/ m). sqrt ( 52*2/ n=)) Z= 0.52 Z-Table for 0.52 Z-value =0.6985 Excel (=NORM.S. DIST(0.52, TRUE) 0.70 p-value for upper right tail p =area right of z p =1.0 - 0.70 = 0.30

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