A student is interested in whether students who study with music playing devote as much attention to their studies as do students who study under quiet conditions (he believes that studying under quiet conditions leads to better attention). He randomly participates to either the music or non music condition and has them read and study the same passage of information for the same amount of time. Subjects are given the same 10 item test on the material. Their scores appear next. Scores on the test represent interval ratio data and are normally distributed. Music 6, No music 10; Music 5, No music 9; Music 6, No music 7; Music 5, No music 7; Music 6, No music 6; Music 6, No music 6; Music 7, No music 8; Music 8, No music 6; Music 5, No music 9 A) What statisical test should be used to analyze these data?
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