Hi there,
This is my first time using a platform like this but I'm stumped with what's probably a simple task but I don't know where to start. If anyone could help that'd be really appreciated. Thanks all, Fjord.
Question:
A surprising number of people are scared of clowns. You expect that people will have more nightmares the night that they see clowns at the circus. To test this, you send a group of people to a circus with clowns, and a group to a circus without clowns, and measure the number of people in each group who have nightmares that night. Your data is shown below:
Task: Perform a Z-test on nightmares after the no-clown circus minus nightmares after the clown circus. Report the test statistic.
This is my first time using a platform like this but I'm stumped with what's probably a simple task but I don't know where to start. If anyone could help that'd be really appreciated. Thanks all, Fjord.
Question:
A surprising number of people are scared of clowns. You expect that people will have more nightmares the night that they see clowns at the circus. To test this, you send a group of people to a circus with clowns, and a group to a circus without clowns, and measure the number of people in each group who have nightmares that night. Your data is shown below:
Nightmares | Nice dreams | |
No clowns | 12 | 35 |
Clowns | 30 | 8 |