R can be used to find the probability of obtaining a given F value or one more extreme (calculates the areaunder the curve to the left of the value). The function requires the F* test statistic, the degrees offreedom for the numerator and the degrees of freedom for the denominator (entered in that order).For our example, we will use F* = 2.19, dfbetween 5 and dfwithin = 54. Then the p-value is:1-pf (2.19, df1-5, df2=54)Enter this code into RStudio to confirm you obtain the value 0.06871.You conduct a one-way ANOVA with 3 groups and 10 subjects in each group (a balanced design) and obtainF* = 4.19. Use R to find the requested values, rounded to 4 decimal places.dfbetween =df withinP =

Given: F = 4.19 3 groups (K) = 3 Number of subject = 10

Answered: R can be used to find the probability…

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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It is thought that prehistoric Indians did not take their best tools, pottery, and household items when they visited higher elevations for their summer camps. It is hypothesized that archaeological sites tend to lose their cultural identity and specific cultural affiliation as the elevation of the site increases. Let x be the elevation (in thousands of feet) for an archaeological site in the southwestern United States. Let y be the percentage of unidentified artifacts (no specific cultural affiliation) at a given elevation. Suppose that the following data were obtained for a collection of archaeological sites in New Mexico: x 5.00 5.25 5.75 6.75 7.00 y 8 15 13 49 71 Find the equation of the least squares line . Round a and b to three decimal places. Find the correlation coefficient r for the elevation and percentage of unidentified artifacts (no specific cultural affiliation) at a given elevation
Suppose a new drug is intended to improve walking distance in patients with Parkinson Disease A researcher measures patients walking distance in feet before and after trying the drug for 9 weeks. What is the value of t obs
With a data set containing d=15 features and N=12,000 observations, what is the dimensionality of the covariance matrix of the predictors? If we were to represent the predictors with a multivariate normal (Gaussian) distribution, how many distribution parameters would need to be estimated from the feature data
It is thought that prehistoric Indians did not take their best tools, pottery, and household items when they visited higher elevations for their summer camps. It is hypothesized that archaeological sites tend to lose their cultural identity and specific cultural affiliation as the elevation of the site increases. Let x be the elevation (in thousands of feet) for an archaeological site in the southwestern United States. Let y be the percentage of unidentified artifacts (no specific cultural affiliation) at a given elevation. Suppose that the following data were obtained for a collection of archaeological sites in New Mexico: x 5.75 6.25 6.75 7.75 8.25 y 31 26 38 74 72 Find the value of the coefficient of determination r2. Group of answer choices
R can be used to find the probability of obtaining a given F value or one more extreme (calculates the area under the curve to the left of the value). The function requires the F* test statistic, the degrees of freedom for the numerator and the degrees of freedom for the denominator (entered in that order). For our example, we will use F* 78. Then the p-value is: 2.39, dfbetween = 5 and dfwithin 1-pf (2.39, df1=5, df2=78) Enter this code into RStudio to confirm you obtain the value 0.04525. You conduct a one-way ANOVA with 5 groups and 9 subjects in each group (a balanced design) and obtain F* = 2.96. Use R to find the requested values, rounded to 4 decimal places. d fbetween dfwit fwithin P =
The trunk diameter, in centimeters, of a certain variety of pine tree is represented by X~N(150, 30). What is the 75th percentile of trunk diameters? Round to two decimal places.
It is thought that prehistoric Indians did not take their best tools, pottery, and household items when they visited higher elevations for their summer camps. It is hypothesized that archaeological sites tend to lose their cultural identity and specific cultural affiliation as the elevation of the site increases. Let x be the elevation (in thousands of feet) for an archaeological site in the southwestern United States. Let y be the percentage of unidentified artifacts (no specific cultural affiliation) at a given elevation. Suppose that the following data were obtained for a collection of archaeological sites in New Mexico: x 5.75 6.75 7.75 8.50 9.25 y 27 16 46 62 95 What percentage of the variation in y cannot be explained by the corresponding variation in x and the least-squares line? Round your answer to the nearest tenth of a percent. 3.4% 18.4% 81.6% 9.7%
Find the area below 47 for a N(60,10) distribution.
The Z-score tells you the number of standard deviations away from the mean (and in what direction) a data value is. The formula: Z = *- can be used to find the Z-score for a single member of the population. Notice X - μ tells you the signed distance the data value (X) is from the mean. When you divide that by the size of each chunk (the standard deviation) you are measuring the distance in units of the size of the standard deviations (how many standard deviations fit in the distance between the data value and the mean) - which gives you the Z-score. The formula X = μ+Z.o can be used to find the value in the population when given the Z-score (signed number of standard deviations). Notice that Z. tells you how far from the mean the data value is (since Z is the number of standard deviations and is the size of each standard deviation the product tells the total distance). So adding the distance from the mean to the mean gives the location along the number line for the data value. A…

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