Question

* M MyOpen Math Assessm | Find given monthly finding and sales ex + - 0 Parபாயா Mesues Due Sun 02/09/2020 11:59 pm Score on Last attempt out of 1 parts: 0/0.33, X 0/0.33, 30/0.34) Score in gradebook: 0 out of 1 (parts: * 0/0.33, * 0/0,33, * 0/0.34) Try another similar question reattempt below, or select another question. Mamuel and Alfonso began arguing about who did better on their tests, but they couldn't decide who did better given that they took different tests. Manuel took a test in Art History and earned a 722 and Alfonso took a test in Math and cared a 67.6. Use the fact that all the students' test grades in the Art History class had a mean of 71.5 and a standard deviation of 12 1. and all the students' testades in Math had a m an of 60 5 and a standard deviation of 9.5 to answer the following questions al Calculate the score for Manuel's test grade 523066 b) Calculate the = 0.772579 score for Alfonso's test grade c) Which person did relatively better? Manuel Alfonso They did equally well Points possible: 1 A04 00 12:06 AM 2/1/2000 brt sc delete

Answer 1

salehian to find iz-score for manuel's test a) Here we have grade. from the given data manuel's dest have. x=712 u= this a 12.1 Z - Score : Rode = "72.2 - 765 12.1 - 0.7 12.1 a-score for Alfonso's 7-scove = [0.05185 b) Here we have to find test grade - from the given data Alfonso's test have x- 67.6 h = 6015 to as X- zo score a 7-4

G76 - Gos 그품 2 - SCode , 0.741368 .: Alfonso > Manoel's 1. c) "Alfonso" did relatively bedded: