#### Answer

The Null hypothesis is that there is no significant difference in mean socres. Hence:
$H_{o}: µ_{1} = µ_{2}$ or $µ_{1} - µ_{2} = 0$
$H_{a}: µ_{1} > µ_{2}$ or $µ_{1} - µ_{2} > 0$

#### Work Step by Step

As above

Published by
Pearson

ISBN 10:
0321755936

ISBN 13:
978-0-32175-593-3

As above

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