Question

The following data show how many days female birds are sexually receptive in a given season. Each observation below is completely independent except for treatment. You want to know if the treatment causes a significant change. The appropriate test to use is:

Group	days
Control	4.6
Control	2.3
Control	7.7
Control	6
Control	4.6
Control	-1.2
Treatment	15.5
Treatment	11.3
Treatment	5.4
Treatment	16.5
Treatment	11.3
Treatment	11.4
Treatment	7.7

group	days
Control	4.6
Control	2.3
Control	7.7
Control	6
Control	4.6
Control	-1.2
Treatment	15.5
Treatment	11.3
Treatment	5.4
Treatment	16.5
Treatment	11.3
Treatment	11.4
Treatment	7.7

Question 4 options:

	One sample t test
	Two sample t test
	Regression
	Two sample z test

Answer 1