The SAT is an exam used by college and universities to evalu

The SAT is an exam used by college and universities to evaluate undergraduate applicants. The test scores are normally distributed. In a recent year, the mean test score was 1506 and the standard deviation was 314. The test scores of four students selected at random are 1874, 1302, 2279, and 1798.

A.) Without converting zscores match the values with the values A, B, C, D

B.) Find the zscore that corresponds to each value and check your answers to part (A.)

zA=          zB=      zC=      zD=

C.) Determine whether any of the values are unusual.

Solution