The Iris Flower Data Set athttps://en.wikipedia.org/wiki/Iris flower data set e consists ofmeasurements taken from Iris flowers: the petal length and width and thesepal length and width were measured in centimeters (cm) and recorded fora lot of flowers.We are interested in being able to use the petal width to predict the petallength.Use the Excel output provided below to answer the Iris Flower questionsthat follow.SUMMARY OUTPUTData from:https://en.wikipedia.org/wiki/Iris flower data setUsing Petal Width to predict Petal Length.Regression StatisticsMultiple R0.962746025R Square0.926879908Adjusted R Square0.926385853Standard Error0.47895943Observations150ANOVAdfMSSignificance FRegression1430.373884430.3738841876.067473 5.90274E-86Residual14833.9515160.229402135Total149464.3254Coefficients Standard Errort StatP-valueLower 95%Upper 95%Lower 95.0% Upper 95.0%Intercept1.079463302 0.07316831114.753153217.2245E-310.934873757 1.224052847 0.934873757 1.224052847Petal width2.2321139150.05153379543.313594555.90274E-86 2.130276823 2.333951007 2.130276823 2.333951007 How many iris flowers were involved in the study?Enter a number.

we know that in the regression analysis the degrees of freedom for total is n-1 where n is the…

Answered: ANOVA df Regression 1 Residual 148…

Math

Statistics

ANOVA df Regression 1 Residual 148 Total 149

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

Can you please check my work
Typed
In regression, what is the difference between an observed value of the response variable and its predicted value called? Choose the correct answer below. R2 A standard error A residual A mean square error Leverage
Using the attached images create hypotheses and write a conclusion (use a=0.05).
Change in the average birth weight of babies born in the U.S. since 1990, in ounces 0 -0.5- -1.0 -1.5 1990 '95 ¹00 "Born between 37 and 41 and net including multiple births Source: Obstetrics and Gynecology prvy. 105 A local hospital wanted to see if the claim was true and randomly sampled 19 baby's weights and found an average weight of 7 pounds. Test the claim using a 10% level of significance that the mean weight significantly smaller than the national average of 7.5 pounds. Use the population standard deviation of 1.25 pounds. Give answer to at least 4 decimal places. What are the correct hypotheses? (Select the correct symbols.) pounds Ho: Select an answer♥ ?✔ H₁: Select an answer? Based on the hypotheses, find the following: Test Statistic = p-value = pounds The correct decision is to [Select an answer The correct summary would be: [Select an answer weight significantly smaller than the national average of 7.5 pounds. What is the type I error in this situation? Select an answer…
An article in a journal reports that 34% of American fathers take no responsibility for child care. A researcher claims that the figure is higher for fathers in the town of Littleton. A random sample of 225 fathers from Littleton, yielded 97 who did not help with child care. Find the p-value for a test of the researcher's claim to three decimal places Question content area bottom Part 1 A. 0.053 B. 0.001 C. 0.002 D. 0.004
normal distrubtion with mean 8 and standard daviation 1 find the 15TH pwecwntile marks of this data set
Assuming variance > 1, which of the following must be true? The sample variance is calculated based on the sample size rather than the degrees of freedom The data are normally distributed Standard deviation < variance The model will explain more than 50% of the variance of the dependent variable
Quiz: Final Exam Spring 2021 Elementary-Statistics-2017.pdf Answered: Test the claim that the X + https://hartnell.instructure.com/courses/19398/quizzes/95019/take Consider the data below. Three random samples in different cities were selected. Water use per household per day were measured. City 1 City 2 City 3 60 56 66 60 64 66 55 45 54 60 41 61 65 58 65 45 44 64 45 46 Test the claim that the samples come from populations with the same mean. Assume all requirements have been met. Use a 5% level of significance. 1. Identify the tail of the test. [ Select ] 2. Find the P-value. [ Select] 3. Will the null hypothesis be rejected? [ Select ] 4. Do the populations appear to have the same mean? [Select ] 10:07 AM O Type here to search 5/21/2021 16 (8)
About _________% of the area under the curve of the standard normal distribution is between z=−0.928z=-0.928 and z=0.928z=0.928 (or within 0.928 standard deviations of the mean).