The table below shows the gender and selected drink of 100 p…

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.)   

We have a box model which has a 50% chance of giving a ticke…

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?

Jannick is a huge sports fan. When he goes to online forums,…

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 ______.