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Salomé and Latasha began arguing about who did better on their tests, but they couldn't decide who did better given that they took different tests. Salomé took a test in Social Studies and earned a 80.8, and Latasha took a test in Math and earned a 68.1. Use the fact that all the students' test grades in the Social Studies class had a mean of 73.7 and a standard deviation of 10, and all the students' test grades in Math had a mean of 62.1 and a standard deviation of 8.8 to answer the following questions. a) Calculate the z-score for Salomé's test grade. z = b) Calculate the z-score for Latasha's test grade. 2 = c) Which person did relatively better? Salomé O Latasha They did equally well.

Salomé and Latasha began arguing about who did better on their tests, but they couldn't decide who did better given that they took different tests. Salomé took a test in Social Studies and earned a 80.8, and Latasha took a test in Math and earned a 68.1. Use the fact that all the students' test grades in the Social Studies class had a mean of 73.7 and a standard deviation of 10, and all the students' test grades in Math had a mean of 62.1 and a standard deviation of 8.8 to answer the following questions. a) Calculate the z-score for Salomé's test grade. z = b) Calculate the z-score for Latasha's test grade. 2 = c) Which person did relatively better? Salomé O Latasha They did equally well.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Salomé and Latasha began arguing about who did better on their tests, but they couldn't decide who did better given that they took different tests. Salomé took a test in Social Studies and earned a 80.8, and Latasha took a test in Math and earned a 68.1. Use the fact that all the students' test grades in the Social Studies class had a mean of 73.7 and a standard deviation of 10, and all the students' test grades in Math had a mean of 62.1 and a standard deviation of 8.8 to answer the following questions. a) Calculate the z-score for Salomé's test grade. z = b) Calculate the z-score for Latasha's test grade. z = c) Which person did relatively better? Salomé Latasha They did equally well.
Transcribed Image Text:Salomé and Latasha began arguing about who did better on their tests, but they couldn't decide who did better given that they took different tests. Salomé took a test in Social Studies and earned a 80.8, and Latasha took a test in Math and earned a 68.1. Use the fact that all the students' test grades in the Social Studies class had a mean of 73.7 and a standard deviation of 10, and all the students' test grades in Math had a mean of 62.1 and a standard deviation of 8.8 to answer the following questions. a) Calculate the z-score for Salomé's test grade. z = b) Calculate the z-score for Latasha's test grade. z = c) Which person did relatively better? Salomé Latasha They did equally well.
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