Mathematics, 15.09.2021 08:00 wolfsaway
On a statistics test the class mean was 63 and the standard deviation was 7and for the biology test the mean was 23 and has a standard deviation of 3.9 mark scored a 38 on the biology exam what is his Z score round two decimal places
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On a statistics test the class mean was 63 and the standard deviation was 7and for the biology test...
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