Hypothesis Testing

Is there a difference between the voting preferences of 40-years olds and those of 80-year-olds -> two

 

Do hambugers have more calories than hot dogs, on average-> right

Does there tend to be more than 12 fuid ounces of soda per can-> right

Do cats tend to live longer than dogs ->right

Is there evidence to conclude that belgian workers tend to make less income than ltalian workers ->left

Should we expect slack and zoom to have dissimilar mean numbers of employees over the last there years -> two

are grapes lower in polularity than raisins, on average -> left

 

 

Types of errors

	actual H0	actual HA
chosen H0	correct	false negative (type II)
chosen HA	false positive (type I)	correct