Taryel uu. tu
0.0025
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14. a students received a score of 50 on his history test....
Mathematics, 08.01.2020 00:31 emmagbales
Taryel uu. tu
0.0025
u
14. a students received a score of 50 on his history test. the test had a mean of 69 and a standard deviation of 10. find the z score and assess whether his score is considered unusual
1.90; unusual
1.90, not unusual
-1.90, not unusual
-1.90; unusual
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