Provide the goal of the study and clearly state

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(1) Provide the goal of the study and clearly state the research hypothesis by describing the variables.

(2) Describe the results noting the direction (e.g., higher or lower; increase or decrease; etc.) and difference between sample mean (M = ?; 95% CI = ?) and the population mean (µ = ?).

 (3) Report and interpret the 95% CI around the difference between the two means (e.g., does the CI contain 0 or not-how do you interpret the Ho if it does or does not include 0?). Also, be sure to report and interpret the effect size (d= ?).

 (4) Report the inferential statistic used to compute the p-value (Z [ n = ?] = observed value, p < or > α) and state if the results are significant or not.

1.  A research team happens to know that male rats administered a placebo drug will spend μ = 5 minutes per hour grooming (σ = 6). They believe that male rats administered a low dose of the street drug ecstasy will spend less than 5 minutes per hour grooming. They chose 100 male rats, administered a low dose of ecstasy to each, and measured the number of minutes per hour each rat spent grooming. The mean of this sample was M = 4. The research question the researcher want to answer is: does administering a low dose of ecstasy affect the time spent grooming

Reference no: EM131936381

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