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We interpret the P-value as a description of the strength of evidence against the null hypothesis, Ho: P-value Evidence against Ho > 0.10 None ~
We interpret the P-value as a description of the strength of evidence against the null hypothesis, Ho: P-value Evidence against Ho > 0.10 None ~ 0.07 Weak ~ 0.05 Some ~ 0.01 Strong 0 or H1: My -12 Assignment 3. You will need to choose EITHER ReactionTimeDatal . csv Paired Samples Statistics OR ReactionTimeData2 . csv Mean N Std. Deviation Std. Error Mean You may need to manipulate the data prior to drawing your plot(s). Pair 1 Cell phone 585.19 32 39.64 15.847 Hint: Consider how the data should be arranged given the answer you chose for (b).] Control 533.59 32 65.360 11.554 (ii) Comment on any features in the plot(s) in terms of the original story. [ 3 marks ] d) Investigate whether, on average, the reaction times differ between the two groups. Use the appropriate f-test computer output from SPSS given to the right to conduct the t-test you [ 6 marks ] Paired Samples Test chose in (b). Interpret your results. Notes: Paired Differences (i) You must clearly show that you have followed Steps 1, 2, 3, 7, 9 and 10 in the "Step-by- 95% Confidence Interval of Step Guide to Performing a Hypothesis Test by Hand", Lecture Workbook, page 12, Std. Error the Difference Std Sig. (2- Mean Deviation Mean Lower Upper df tailed) Chapter 7. Steps 4, 5, 6, and 8 are replaced by the computer output from SPSS given to the right. Pair 1 Cell phone - Control 51.594 117.109 20.702 9.372 93.816 2.492 31 .018 (ii) Refer to the instructions on Page 1 of this assignment: "Hypothesis tests in this assignment". (e) Comment on the validity of the t-procedures conducted in (d) by briefly discussing each assumption in terms of the original story. [ 2 marks ]
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