8. Noise and Intelligibility Audiologists study the intelligibility of spoken sentences un-der different noise levels. Intelligibility, the MRT score, is measured as the percent of aspoken sentence that the listener can decipher at a certain noise level in decibels (dB). Thetable shows the results of one such test.Noise levelMRT score(dB)(%)80998491(a) Make a scatter plot of the data.8884(b) Find and graph the regression line.9270(c) Find the correlation coefficient. Is a linear model appropriate?964710023(d) Use the linear model in part (b) to estimate the intelligibility of a sentence at a 94-dB10411noise level.

Solution: Noise and intelligibility- Audiologists study the intelligibility of spoken sentences…

Answered: 8. Noise and Intelligibility…

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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ZOOM + 2. Researchers studying acid rain recorded the pH level for a sample of 26 water sources in Pennsylvania. The sorted list of the data (some values have been obscured), the histogram of the data, and some other statistics are below. Histogram of pH levels Sort (pH) Frequency 10 10- 4.12 4.12 ?? ?? 4.29 ?? 4.31 4.39 4.39 4.40 4.41 4.45 4.52 4.56 4.57 4.60 ?? ?? 4.73 ?? 5.08 5.29 5.51 5.62 5.67 5.78 Summary statistics: Col n Min Max Q1 pH Q3 26 4.12 5.78 4.31 4.82 a) Find the median pH level. Carefully show your work. b) Considering your answer to part a) and the histogram, which would be the best choice for the sample mean pH level (4.68, 4.56, or 4.00 units)? Explain. c) Find the Range of the pH levels. d) Find the IQR of the pH levels 1 pH 3. The following numbers are a sample of ten of my golf scores from 2020. In golf the “units" are technically called "strokes". Find my mean score and the standard deviation of my scores. 98, 94, 88, 90, 86, 92, 86, 85, 84, 87
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