Question

1. twenty - five army inductees were given a blood test to obtain their blood types. data follows. construct a frequency distribution for this data. nominal or ordinal? a o o o ab a b o b b ab a b o b ab a o o b ab o

Explanation:

Step1: Count A - types

Count all 'A's in the data set. There are 7.

Step2: Count B - types

Count all 'B's in the data set. There are 8.

Step3: Count AB - types

Count all 'AB's in the data set. There are 4.

Step4: Count O - types

Count all 'O's in the data set. There are 6.

Step5: Determine data type

Blood types have no natural order, so it's nominal data.

Answer:

Blood Type	Frequency
B	8
AB	4
O	6

This is nominal data.