a. Determine Isabelle's z-score (to the nearest hundredth) for her English test if she scored an 85 on the test. z =------------------------------ Work: b. Determine Isabelle's z-score (to the nearest hundredth) for her biology test if she scored a 78 on that test. z =--------------------------------------- Work: c. Compared to her peers, on which test did I
Isabelle recently took a test in both her English and her biology classes. The test in her English class had a mean of μ = 82 and a standard deviation of σ = 5.5, while the test in her biology class had a mean of 64 and a standard deviation of 18.
a. Determine Isabelle's z-score (to the nearest hundredth) for her English test if she scored an 85 on the test.
z =------------------------------ Work:
b. Determine Isabelle's z-score (to the nearest hundredth) for her biology test if she scored a 78 on that test.
z =--------------------------------------- Work:
c. Compared to her peers, on which test did Isabelle perform better? Enter your answer as English or Biology or Neither .
Answer:
Explain your answer to C using your answers to a. and b.
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