An experiment was conducted to see if elderly patients had more trouble keeping their balance when loud, unpredictable noises were made compared to younger patients who were also exposed to the noises. Researchers compared the amount of forward and backward sway for the two groups. The researchers conducted the experiment and obtained data summarized in the following table: X S n Elderly Young 26.33 18.13 9.77 9 The standardized test statistic is t = 4.09 8 Your answer: equation? Answer to two decimal places. 2.30 Challenge this Question 26.33-18.13 = 2.30. What belongs in place of the letter B in the 9.772 B2 X
An experiment was conducted to see if elderly patients had more trouble keeping their balance when loud, unpredictable noises were made compared to younger patients who were also exposed to the noises. Researchers compared the amount of forward and backward sway for the two groups. The researchers conducted the experiment and obtained data summarized in the following table: X S n Elderly Young 26.33 18.13 9.77 9 The standardized test statistic is t = 4.09 8 Your answer: equation? Answer to two decimal places. 2.30 Challenge this Question 26.33-18.13 = 2.30. What belongs in place of the letter B in the 9.772 B2 X
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 2AGP
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