As part of a program to reduce smoking a national organizati

As part of a program to reduce smoking, a national organization ran an advertising campaign to convince people to quit smoking. To evaluate the effectiveness of their campaign, they had 15 participants record the average number of cigarettes smoked per day in the week before and the week after exposure to the advertisement. What test statistic should they use to analyze this data set? In a study examining the relationship between temperature and violent aggression, Anderson and Anderson (1984) recorded the temperature and the number of murders and rapes per day in a major southwestern city. What test statistic should they use to analyze this interval data set? The admissions staff at Utopia College would like to predict incoming students\' GPAs at their college based on the students\' ACT scores. The staff used past students\' ACT scores and GPAs to help them with the prediction. What procedure would the staff use to make the prediction? A researcher wants to see if there are gender differences in the ability to detect whether someone is being deceptive or not. Twenty-five females and 25 males coOllege students were recruited to participate in the experiment. All participants were asked to view 20 video clips of someone talking about what they did the day before. Participants were to decide for each clip whether the person was lying or not. The dependent variable was the

Solution

4) one way anova

5) one sample t test

6) regression