The table below shows the survey results for six randomly selected frogs from a pond. GenderLength, cmWeight, grams
F8.522.7
F719.3
M925.2
M618.1
F822.1
M1123.6

F, female; M, male.

This data set contains
three variables, two of which are categorical
three variables, all of which are categorical
three variables, one of which is categorical
three variables, none of which are categorical

This data set contains three variables, one of which is categorical

Step-by-step explanation:

The three variables are: Gender,Length and Weight

A categorical variable is a variable that can take on one of a limited, and usually fixed, number of possible values. In this example, the only categorical variable is Gender, because it can only take two possible values, female (F) or male (M). The other two variables are not categorical because they have to be measured, and their values are not fixed.

step-by-step explanation:

one of the most important purposes of surface treatment is to alter surface properties according to the requirement of specific applications. for example, hydrophobic coating has been utilized on windshield and eyeglasses. gold atom monolayer on substrate has become a popular surface bioconjugation strategy.  

answer: its the third option.

step-by-step explanation:

i just took the test.