Kira looked through online census information to determine the average number of people living in the homes in her city. what is true about kira's data collection? kira used an observational study where the data is qualitative. kira used an observational study where the data is quantitative. kira used published data that is qualitative. kira used published data that is quantitative.

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?