Prefer Dogs
Prefer Cats
Activity
In this activity, you will interpret and draw conclusions from two-way tables.
Megan did a study to determine which animal people prefer as a pet and what type of pet they actually have. The tables represent her data.
Table 1
Table 2
Prefer Dogs
Prefer Cats
Total
Have Only Dogs Have Only Cats Have Both Have Neither Total
0.38
0.03
1
0.25
0.14
0.28
0.25
0.9
1
Have Only Dogs Have Only Cats Have Both Have Neither
0.75
0.1
0.25
1
0.55
0.31
0.36
0.45
1
0.48
0.52
1
5
S
1
G
Part A
To determine the relative frequency of people who prefer dogs, given that they have only dogs, which table should you use? What percentage of
people have only dogs and prefer dogs?