1. A study of the relation between the waistline and percent body fat inmen yielded the data shown (waistline measurement in inches).waistline (x) 34.7 46.5 32.8 41.3 29.8 39.3 35.7 29.0percent fat (y) 21.8 33.6 13.4 27.1 13.7 30.2 18.5 11.2x = 36.1375 y = 21.1875 SSxx = 248.53875 SSay = 332.67375 SSyy = 494.30875(a) Find the proportion of the variability in percent body fat that isaccounted for by the size of the waistline. Explain fully.(b) Find the regression line for predicting y from x.(c) Construct a 95% confidence interval for the average percent body fatof all men whose waistline size is 34.0 inches.(d) test HO: Beta1 is 0 vs. Ha : Beta1 is not 0, compute the appropriatetest statistic and p-value, then make your decision at a = 0.05.(e) Construct a 90% confidence interval for beta1.(f) Compute a 90% confidence interval for the average percent fat whenwaistline is 35.

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Answered: 1. A study of the relation between the…

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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Please answer the following question below given the data and question instructions. Answer all parts!! And explain how you created the grpahs, got the results. Thank you.
Explain the meaning of the following percentiles in parts (a) and (b). Qu (a) The 10th percentile of the weight of males 36 months of age in a certain city is 110 kg. (b) The 95th percentile of the length of newborn females in a certain city is 53.8 cm. (a) Choose the correct answer below. O A. 10% of 36-month-old males weigh 11.0 kg or less, and 90% of 36-month-old males weigh more than 11.0 kg. O B. 10% of 36-month-old males weigh 11.0 kg or more, and 90% of 36-month-old males weigh less than 11.0 kg. O C. 10% of males weigh 11.0 kg or more, and 90% of 36-month-old males weigh less than 11.0 kg. O D. 10% of males weigh 11.0 kg or less, and 90% of 36-month-old males weigh more than 11.0 kg. (b) Choose the correct answer below. O A. 95% of newborn females have a length of 53.8 cm or less, and 5% of newborn females have a length that is more than 53.8 cm. O B. 95% of newborn females have a length of 53.8 cm or more, and 5% of newborn females have a length that is less than 53.8 cm. O C.…
2. Which measures of central tendency can be used for the variable below? Explain why each of the three measures of central tendency is or is not applicable. Answer Here: How closely do you follow the news about current events? Would you say... Cumulative Frequency Percent Valid Percent Percent Valid Most of the time 1128 41.9 41.9 41.9 some of the time 1304 48.4 48.5 90.4 rarely 239 8.9 8.9 99.3 never 19 .7 .7 100.0 Total 2690 99.9 100.0 Missing Don't Know/Refused (DON'T READ) 2 .1
Determine the point of estimate of the population mean and margin of error from the given information: Lower Bound: 5 Upper Bound: 23 Question 4 options: x¯= 15 E = 10 x¯= 12 E = 9 x¯= 13.5 E = 9 x¯= 14 E = 9
Draw the normal curve using the data given b. x = 83. s = 6 a.x = 30. s = 8 %3D
Explain the meaning of the accompanying percentiles. (a) The 5th percentile of the head circumference of males 3 to 5 months of age in a certain city is 41.5 cm. (b) The 95th percentile of the waist circumference of females 2 years of age in a certain city is 49.8 cm. (c) Anthropometry involves the measurement of the human body. One goal of these measurements is to assess how body measurements may be changing over time. The following table represents the standing height of males aged 20 years or older for various age groups in a certain city in 2015. Based on the percentile measurements of the different age groups, what might you conclude?

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