The table below shows the gender and selected drink of 100 persons randomly sampled to choose between two coffee drinks, A and B. The researcher wants to test: H0: Gender and drink choice are independent HA: Gender and drink choice are not independent   Drink A Drink B Men 25 20 Women 30 25 The observed chi square test statistic is:   (Fill in the numerical value. Report the value with 2 decimal places.)   

A one-sample t‐test is conducted with H A: population mean < 10. If t = –2.46 and df = 25, the p‐value is:

We have a box model which has a 50% chance of giving a ticket worth 75, a 20% chance of giving a ticket worth 95, and a 30% chance of giving a ticket worth 125. Which histogram above is most likely to be an empirical histogram for drawing 50 times from the box and taking the sample mean?

Regarding the test statistic in the Analysis of Variance (Select the correct choice)     

Is a good practice in research that investigators decide which hypothesis to test only after they have seen the data.  (Select true of false)  

What percentage of the subjects in the above density histogram has a height between 74 and 76 inches? (no values fall directly on a bin cutpoint)  

Jannick is a huge sports fan. When he goes to online forums, he clicks “like” on posts from people who support his favorite team and “dislike” on posts from people who support other teams. Jannick’s tendency to favor posts from people in his group is best an example of ______.

Andrew and Jamie are discussing the death penalty. Andrew thinks it is an effective deterrent for murder, but Jamie thinks it is actually ineffective and feels it is unnecessarily cruel. Andrew is stating his _____ and Jamie is stating her ______.

Gina got into a fight with her best friend and has been fixated on it all day. She keeps repeatedly thinking about what her friend said, which is only making her get sadder and more stressed than she already was. What has Gina been engaging in?

Rhea is obese and lives a high-stress lifestyle. The textbook provides three reasons why it might be difficult for Rhea to change her lifestyle – which of the following is NOT one of these reasons?