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Paired Samples Statistics Std. Mean N Deviation Std. Error Mean Pair 1 Duration (minutes) of stops 13.58 65 11843 2.213 made during the dag Duration...





. Dr. Nichols wants to know whether police stops of citizens are longer in the day time or at night. He ran a dependent-samples t test analysis. The results of the analysis are shown here:


Using the data show above, show all 5 steps of a hypothesis test. At the end, Explain your substantive conclusions.

 homework k.png

homework k.png

Paired Samples Statistics Std.
Mean N Deviation Std. Error Mean
Pair 1 Duration (minutes) of stops 13.58 65 11843 2.213
made during the dag
Duration (minutes) of stops 9.60 65 8.891 1.103 made at night Paired Samples Correlations N Correlation Si _
Pair1 Duration (minutes)of steps 65 .129 .306 made during the day 8:
Duration (minutes) of stops made at night Paired Samples Test Paired Differences
95% Confidence Interval of the
Std. Std. Error Difference Sig. (2—
Mean Deviation Mean Lower U r t df tailed
Duration (minutes) of 3.985 18.882 2.342 -.694 8.663 1.?01 64 .094 stops made during the
day - Duration (minutes) of sings made at n'ght

Top Answer

with t(64)=1.701, p>5%, the null hypothesis is not rejected at... View the full answer

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