Pain medications sometimes come with side effects.  One side effect is dizziness.  A researcher wanted to determine if some pain medications produced more or less dizziness than others.  The results from his study are shown in the table below. Use a test to determine if the proportion of people within each treatment group  who experienced dizziness are the same at the αα = .01 level of significance.   Tordol Placebo Naproxen Tylenol Advil Dizziness 83 32 36 5 8 No dizziness 4063 1832 1330 382 337   X^2= p-value:

Empathy among police officers influences how they interact with citizens and the likelihood that they receive complaints. Gender differences in levels of empathy in the general population are not large but male and female officers have been shown to have different interaction styles with the public; this may be due to the different empathy levels. After sampling officers and measuring their levels of empathy you find the following data.   Males       Females   n = 6 n = 9 M = 31 M = 45 SS = 490 SS = 680   If you were going to make gender comparisons like this, which option would be the correct choice?  Write A or B in the box. [a]            Option A. Independent-measures t-test            Option B. Repeated-measures t-test

A) What is the effect size of the treatment using Cohen's d? B) The treatment increases well being and it is a small to medium effect. True False

If you have a known value of 16, which of the following is the best average of your data to verify the known value? O 12.5 + 6.02 O 16 + 3.03 O 14.2 + 2.03 O 14.2 + 3.6