will give away brainliest a student counted the number of times her teacher said word like during her class over an 11- day period [likes per class period] 22,19,16,19,23,20,20,21,22,21,14 construct a box plot to represent the data, and determine which of the following is correct about the data set (a).q1=13 (b).q3=22 (c).the interquartile range is 9 (d).the median is 21

The correct statement about the data set is:

               Option: B

           (B.)  

On arranging the given data points in the increasing order we have:

14    16    19    19    20    20    21    21    22    22    23

            14    16   19    19    20  

    Lower quartile or first quartile i.e. =19

               21    21   22   22    23

  Upper quartile or third quartile i.e. = 22

                   i.e.  

                  Hence, IQR=22-19=3

                       Hence, the correct statement is:

                            (B.)  

first option

a function is a relation in which an input is paired with exactly one output.

so, let's find the right answer.

in our first option, our inputs are january, february, and march. the outputs are 30, 28, and 25. each input has it's own output. this is correct!

our second option we know is incorrect, because ms. valverade has two outputs, dogs and cats. this is not a function.

our third option is incorrect as well. the yellow square has two ouputs, the square and the triangle.

lastly, in our fourth option, we see the number 7 two times with a different output. therefore, this is not a function.

remember: each input must be paired with only one output!