Wu made the following scores on two achievement tests. On which test he perform better relative to the class?, statistics homework help

Wu made the following scores on two achievement tests. On which test he perform better relative to the class?, statistics homework help

Statistics:

Wu made the following scores on two achievement tests. On which test he perform better relative to the class?

Test 1

Test 2

Wu

45

40

Mean

30

25

Standard Deviation

10

15