In a telephone survey, drivers were asked, "recalling the last ten traffic lights you drove through, how many were red when you entered the intersection? " what type of variable is "number of traffic lights that were red"?

The variable " number of traffic lights that were red" is a Quantitative  variable.

Step-by-step explanation:

Consider the provided information.

The value of quantitative Variables can be determined by counting or measuring something.

The value of qualitative Variables can't be determined by counting or measuring something.

Now consider the provided statement.

Recalling the last ten traffic lights you drove through, how many were red when you entered the intersection.

Here, we can count the number of red lights by recalling that means the result can be determined by counting.

Hence, the variable " number of traffic lights that were red" is a Quantitative  variable.

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step-by-step explanation:

answer:

it is general formula that is used to write value to its excet position

a11 a12 a13

a21 a22 a23

it is the example of order 2 by 3 matrix in this

a11 means value occur in 1 st row 1st column

a12 means value occurs in 1st row 2nd column

a13 means value occur in 1st row and 3rd column

a21 means value occurs in 2nd row and 1st column

a22 means value occurs in 2nd row and in 2nd column

a23 means value occurs in 2nd row and in 3rd column