Karina and Juan are planning the food for a student event and want to survey a
om sample of students about what food to serve. Karina suggests asking all the
student soccer players, both boys and girls, about their food preferences. Juan says
that this would be a biased sample. Is Juan correct? Explain.

Me find the measure to side c and the process to solve the problem you appreciate it : )

Lems1. the following data set represents the scores on intelligence quotient(iq) examinations of 40 sixth-grade students at a particular school: 114, 122, 103, 118, 99, 105, 134, 125, 117, 106, 109, 104, 111, 127,133, 111, 117, 103, 120, 98, 100, 130, 141, 119, 128, 106, 109, 115,113, 121, 100, 130, 125, 117, 119, 113, 104, 108, 110, 102(a) present this data set in a frequency histogram.(b) which class interval contains the greatest number of data values? (c) is there a roughly equal number of data in each class interval? (d) does the histogram appear to be approximately symmetric? if so,about which interval is it approximately symmetric?

Solve for n? [tex]z = \frac{3}{4} mn[/tex]