On statistics examinatio n the mean was 18 ancl the standavd deviation was 10 (assume normal distribution) a) Find the standad scores of two students whose gvades were 93 and 62, vespectively. b) Determine the gades of two students whose standard scores -0.6 and 1-2, vespective ly - were

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the
9. On a stahistics examinatio n
78 and
the standard
mean
was
deviation was 10
(assume normal distribution)
a) Find the standad score s of two students whose gvades were
93 and 62, respechively
were
b) Determine the grades of two students whose standavd scores
-0-6 and 1-2, vespective ly
Transcribed Image Text:the 9. On a stahistics examinatio n 78 and the standard mean was deviation was 10 (assume normal distribution) a) Find the standad score s of two students whose gvades were 93 and 62, respechively were b) Determine the grades of two students whose standavd scores -0-6 and 1-2, vespective ly
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