8. The following data shows the time (in minutes) to wait in line at a bookstore for 20 students.35568101415161717192122232530313134a) Calculate Quartile 1 (Q1)b) Calculate Quartile 3 (Q3)c) Calculate Inter Quartile Range (IQR)

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Answered: 8. The following data shows the time…

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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This dataset of size n - 51 is for the 50 states and the District of Columbia in the United States. The variables are - year 2002 birth rate per 1000 females 15 to 17 years old and z- poverty rate (the percent of the state's population living in households with in- comes below the federally defined poverty level) i- 13.1 - 22.3 R- 51, Su - E(-2) - 914.7 S, - E( -2)( - 6) - 1, 256.2 Su - E(m - M) - 3, 249 SSE - E(w - - 1, 509.6 1. Find A. A and r. 2. Write the fitted linear regression model for ý, in terms of z, A, and A- For A and , use the values you obtained in problem 1. 3. Interpret the slope of the least squares line based on the context. 4. Find SST, SE and SSR. 5. Find R* and . 6. Complete a chart for ANOVA df MS pvalue Source Regression Error Total 7. Complete a chart for Parameter Estimates. t-value pvalue Parameter Intercept Slope Estimate S.e. 8. What is the residual e, for the observation (.) - (20.1,31.5)? 9. What is the conclusion for the test Ha : -0 vs Ho : +0 with a -…
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8. The following data shows the time (in minutes) to wait in line at a bookstore for 20 students. 3 5 5 6 8 10 14 15 16 17 17 19 21 22 23 25 30 31 31 34 a) Calculate Quartile 1 (Q1) b) Calculate Quartile 3 (Q3) c) Calculate Inter Quartile Range (IQR)