A researcher is interested in seeing if there is an associat…
A researcher is interested in seeing if there is an association between whether or not an individual uses a smart phone right before bed and how well an individual sleeps. Participants in the study report whether or not they used a smart phone before bed and then rate their quality of sleep as either “poor,” “average,” or “good.” poor average good I use a smart phone before bed 27 15 10 I don’t use a smart phone before bed 14 17 23 The researcher concludes at the end of the study that there is an association between the two variables-whether the quality of sleep was poor and using smartphone before bed-after comparing two statistics _________ and __________.