OutliersThe following plot shows a line of best fit accompanied by the ±2s±2s range. How many outliers are present in the data? This image depicts a scatter plot with a fitted regression line and two dashed lines above and below it, likely representing confidence or prediction intervals.**Description:**- **Data Points:** There are several data points represented by blue diamonds scattered across the graph. These points display a trend that is approximately linear.- **Regression Line:** A solid black line runs diagonally across the plot, representing the best fit line for the data based on a linear regression analysis.- **Dashed Lines:** Two dashed lines run parallel to the regression line, creating a band or corridor around it. These lines likely indicate confidence or prediction intervals, which provide a range of values within which new data points are expected to fall with a certain level of confidence.**Axes:**- **X-Axis:** The horizontal axis, typically representing the independent variable, is unlabelled but contains tick marks, suggesting regular intervals.- **Y-Axis:** The vertical axis, representing the dependent variable, is similarly unlabelled but also includes tick marks.This graph is a typical representation used to visualize the relationship between two variables and the uncertainty or variability around the predicted values provided by the regression model.

Given a plot that shows a line of best fit accompanied by the ±2s range

Answered: The following plot shows a line of best…

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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We are curious about the average number of Facebook friends that college students have. We take a simple random sample of 40 students and record the number of Facebook friends each student has. 1. Before we open the data set, what is our population, our sample, and our parameter of interest? 2. Using the graph, describe any significant features of the data set. What shape does it have? What is the range of the number of Facebook friends? Are there any outliers?

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