Assume x is $3,$ y is $7\mathrm{.}1$ and z is $11\mathrm{.}5.$ Which of the following statements is incorrect?

Group of answer choices

type$($x$)$ is int

the value of z is $11\mathrm{.}5$

the value of y is $7\mathrm{.}1$

type$($z$)$ is str