2 Kimberly and Alexis began arguing about who did better on their tests, but they couldn't decide who did better given that they took different tests. Kimberly took a test in Math and earned a 76.4, and Alexis took a test in Social Studies and earned a 63.2. Use the fact that all the students' test grades in the Math class had a mean of 76.8 and a standard deviation of 9.9, and all the students' test grades in Social Studies had a mean of 62.6 and a standard deviation of 9 to answer the following questions. a) Calculate the z-score for Kimberly's test grade. z=       [Round your answer to two decimal places.] b) Calculate the z-score for Alexis's test grade

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A: Given DataStandard Deviation of student A = 3.12Standard Deviation of student B = 0.27Standard…

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A: given data Ermias  :   μ1 = 76.7     σ1  = 10.5       x1 = 76.5Trinidad  :   μ2 = 64.5     σ2  = 8.1…

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Q: calculate the effect size and round two decimal places

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Q: Kimberly and Alexis began arguing about who did better on their tests, but they couldn't decide who…

A: Given data,For mathμ=76.8σ=9.9Kimberly score is X=76.4For Socialμ=62.6σ=9Alexis score is X=63.2

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A:

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A: n1=31,X1¯=5.5,σ1=1.4,σ2=1.1,α=0.01,n2=39

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A:

Q: Carla and Patrisse began arguing about who did better on their tests, but they couldn't decide who…

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.