(21.19) In the 2013 NAEP sample of Michigan twelfth-graders, the mean mathematics scores were 152 for female students and 156 for male students. To see if this difference is statistically significant, you would use

Solve the problem by using a venn diagram a group of students were surveyed about their taste in music.they were asked how they like three types of music: rock, country western and jazz.the results are summarized below: no one dislikes all three types of music.six like all three types of music.eleven don’t like country western.sixteen like jazz.three like country western and jazz, but not rock.six don’t like rock.eight like rock and country western.seven don’t like jazz.how many students were surveyed?