How do you solve this question? And if possible, how to you do this on a TI-nspire CAS caculator? Thank you. 8.3.23Question HerPsTo test the effectiveness of a new drug that is reported to increase the number of hours of sleep patients get during the night, researchersConstruct a 90% confidence interval, using the inequality d-te< Pa

To test the effectiveness of a new drug that is reported to increase the number of hours of sleep during the night. sleep without drug sleep using the drug 3.8 6.2 2.8 4.9 3.4 5.6 2.3 3.7 3.5 6 4.1 5 3.9 4.6 3.5 4.3 2.1 2.8 2.8 4.9 2.9 4.6 4.4 5.7 5.6 6.3firstly, we calculate the difference (d) between the two variables that are sleep without drug and sleep using the drug. Then we find the mean and standard deviation of the variable. The df is 12 as n= 13 and for paired test for means the df= n-1. The t stat that is the tabulated value of the t statistic is 1.78 at 0.1 level of significance. sleep without drug sleep using the drug d 3.8 6.2 -2.4 2.8 4.9 -2.1 3.4 5.6 -2.2 2.3 3.7 -1.4 3.5 6 -2.5 4.1 5 -0.9 3.9 4.6 -0.7 3.5 4.3 -0.8 2.1 2.8 -0.7 2.8 4.9 -2.1 2.9 4.6 -1.7 4.4 5.7 -1.3 5.6 6.3 -0.7 The mean of d d ¯=∑i=1ndin=-19.513= -1.5 The variance and standard deviation of d is given as follows s2d = ∑i=1n(di-d¯)2n-1=5.8812=0.49sd= 0.49= 0.7 The confidence interval is given as: d¯ -tc sdn<μd<d¯ +tc sdn now , we put the values in the above equation: -1.5 - (1.7823) 0.713<μd< -1.5+ (1.7823)0.713 -1.85<μd<-1.15

Math

Statistics

select 13 pattents and record the number of hours of sleep each gets with and without the new drug. Patient 3 12 13 Sleep without the drug 3.8 2.8 3.4 2.3 3.5 4.1 3.9 3.5 2.1 2.8 2.9 4.4 5.6 6.2 4.9 5.6 3.7 6.0 5.0 4.6 4.3 2.8 4.9 4.6 5.7 6.3 2. 4 6. 7 8. 10 11 Sleep using the drug Calculate d for each patient by subtracting the number of hours of sleep with the drug from the number without the drug. The confidence interval is

select 13 pattents and record the number of hours of sleep each gets with and without the new drug. Patient 3 12 13 Sleep without the drug 3.8 2.8 3.4 2.3 3.5 4.1 3.9 3.5 2.1 2.8 2.9 4.4 5.6 6.2 4.9 5.6 3.7 6.0 5.0 4.6 4.3 2.8 4.9 4.6 5.7 6.3 2. 4 6. 7 8. 10 11 Sleep using the drug Calculate d for each patient by subtracting the number of hours of sleep with the drug from the number without the drug. The confidence interval is

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Matrices

‘Matrices’ is the plural form of the word matrix, and it is basically a spreadsheet in the form of a box. In mathematics, various functions can be carried out with matrices. Generally, a matrix comes in the shape of a square or rectangle. The elements are distributed horizontally in the form of rows, and vertically in the form of columns.

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