Let x be a random variable that represents the batting average of a professional baseball player. Let y be a random variable that represents the percentage of strikeouts of a professional baseball player. A random sample of n = 6 professional baseball players gave the following information. x0.3380.3100.3400.2480.3670.269y3.57.84.08.63.111.1 (c)Find Se, a, and b. (Round your answers to four decimal places.) Find the predicted percentage ŷ of strikeouts for a player with an x = 0.300 batting average. (Round your answer to two decimal places.) (e)Find an 80% confidence interval for y when x = 0.300. (Round your answers to two decimal places.) Use a 5% level of significance to test the claim that ? ≠ 0. (Round your answers to three decimal places.)t=critical t=

Step:1 Input data in to Excel. X Y 0.338 3.5 0.31 7.8 0.34 4 0.248 8.6 0.367 3.1…

Answered: Let x be a random variable that…

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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Let x be a random variable that represents the batting average of a professional baseball player. Let y be a random variable that represents the percentage of strikeouts of a professional baseball player. A random sample of n = 6 professional baseball players gave the following information.

x	0.338	0.310	0.340	0.248	0.367	0.269
y	3.5	7.8	4.0	8.6	3.1	11.1

(c)

Find S_e, a, and b. (Round your answers to four decimal places.)

Find the predicted percentage ŷ of strikeouts for a player with an x = 0.300 batting average. (Round your answer to two decimal places.)

(e)

Find an 80% confidence interval for y when x = 0.300. (Round your answers to two decimal places.)

Use a 5% level of significance to test the claim that ? ≠ 0. (Round your answers to three decimal places.)

critical t=

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