Dakota and Bill began arguing about who did better on their tests, but they couldn't decide who did better given that they took different tests. Dakota took a test in Science and earned a 79.9, and Bill took a test in Math and earned a 63.5. Use the fact that all the students' test grades in the Science class had a mean of 73.5 and a standard deviation of 11.4, and all the students' test grades in Math had a mean of 67 and a standard deviation of 8.3 to answer the following questions. a) Calculate the z-score for Dakota's test grade. [Round your answer to two decimal places.] = Z b) Calculate the z-score for Bill's test grade. [Round your answer to two decimal places.] c) Which person did relatively better? O Dakota O Bill O They did equally well. Submit Question
Dakota and Bill began arguing about who did better on their tests, but they couldn't decide who did better given that they took different tests. Dakota took a test in Science and earned a 79.9, and Bill took a test in Math and earned a 63.5. Use the fact that all the students' test grades in the Science class had a mean of 73.5 and a standard deviation of 11.4, and all the students' test grades in Math had a mean of 67 and a standard deviation of 8.3 to answer the following questions. a) Calculate the z-score for Dakota's test grade. [Round your answer to two decimal places.] = Z b) Calculate the z-score for Bill's test grade. [Round your answer to two decimal places.] c) Which person did relatively better? O Dakota O Bill O They did equally well. Submit Question
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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![Dakota and Bill began arguing about who did better on their tests, but they couldn't decide who did better
given that they took different tests. Dakota took a test in Science and earned a 79.9, and Bill took a test in
Math and earned a 63.5. Use the fact that all the students' test grades in the Science class had a mean of
73.5 and a standard deviation of 11.4, and all the students' test grades in Math had a mean of 67 and a
standard deviation of 8.3 to answer the following questions.
a) Calculate the z-score for Dakota's test grade.
[Round your answer to two decimal places.]
b) Calculate the z-score for Bill's test grade.
[Round your answer to two decimal places.]
c) Which person did relatively better?
O Dakota
O Bill
O They did equally well.
Submit Question
3](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe8d2a1e7-03a7-42b2-8202-298f2587e9ee%2Fef729bf6-e3f6-4439-b5b7-cd120c8b8268%2Fqfu4qi_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Dakota and Bill began arguing about who did better on their tests, but they couldn't decide who did better
given that they took different tests. Dakota took a test in Science and earned a 79.9, and Bill took a test in
Math and earned a 63.5. Use the fact that all the students' test grades in the Science class had a mean of
73.5 and a standard deviation of 11.4, and all the students' test grades in Math had a mean of 67 and a
standard deviation of 8.3 to answer the following questions.
a) Calculate the z-score for Dakota's test grade.
[Round your answer to two decimal places.]
b) Calculate the z-score for Bill's test grade.
[Round your answer to two decimal places.]
c) Which person did relatively better?
O Dakota
O Bill
O They did equally well.
Submit Question
3
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