ReceiptTwitterActivityMovie14763219509The Devil Inside57966405The Dictator15829165128Paranormal Activity36871579288The Hunger Games65648995Bridesmaids747711104Red Tails91528054Act of ValorA. What is the independent variable (X) and what is the dependent variable (y)IB. Write a null and alternative hypothesis statementC. What is the R-squared value and interpret it's meaning?D. What is the correlation coefficient and interpret it's meaning?E. Predict the receipts for a movie that has a Twitter activity of 100, 000 using the linearregression formula generated after you run the regression analysis in Excel (just like wedid in the lecture notes)F At the 95% significance level, is there significant evidence of a relationship betweenTwitter activity and receipts?

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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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Hi, I am working on a project about hypothesis testing. I attached a photo of the data set and a photo of the questions I need help with. H0: μ = 66.5 Ha: μ ≠ 66.5
In hypothesis testing, if you find significance, does that mean that your study has meaning? Explain. _______________________________________________
What are H0 and Ha Calculate d Calculate sd Find standardized test statistic Calculate P value __ the results ___ the same thing as using the critical value approach. ____ the null hypothesis. There _____ enough evidence to ____ the claim that pass completion percentages have ______.
The power of a test is measured by its capability of _______________ a. not rejecting a null hypothesis that is false. b. rejecting a null hypothesis that is false. c. not rejecting a null hypothesis that is true. d.rejecting a null hypothesis that is true.
Complete a-c for c do we reject or accept the p-value due to sufficient or insufficient evidence?
18-34 35-49 50-64 65+ Burger King 127 119 63 163 McDonald's 75 142 82 129 Wendy's 124 156 75 132
I have attached a picture of the question. Please answer section C and D of the question.
Prof. Cook, always interested in improving her teaching effectiveness, has decided to undertake a analysis of her student evaluations from the past several years. The last question on the student form, Question 17, is "Would you recommend this professor to another student?" A matter of spec to Prof. Cook is how she is viewed by students of different majors. Each of Prof. Cook's students c placed into a category according to the student's major school. (Students who have majors from one school are not included.) So, there are two variables under consideration: student's major scr ("School of Social Sciences", "School of Engineering", or "School of Physical Sciences") and answe Question 17 ("No", "Maybe", or "Yes"). The contingency table below contains a summary of the responses to Question 17 for a random sa 500 of Prof. Cook's students. In each cell of the table is written three numbers: the first number is observed cell frequency (fo); the second number is the expected cell frequency…
A researcher knows that there is a relationship between obesity and watching television for young children. However, it is not known whether children watch more TV because they are overweight, or whether they are overweight because they watch so much TV. This is an example of the third-variable problem. O True False Reset Selection Previous Next Save 7,821 MAR étv A A 4 ৯ 888 F4 F10 FI1 F7 F8 F5 F2 %23 2$ % & 4 5 6. 8 9 3 R Y D F G K
Subject Location Reading Math Science Is achieving a basic skill level related to the location of the school? The results of a random sample of students by the location of school and the number of students achieving basic skill levels in three subjects is shown in the contingency table. At a = 0.01, test the hypothesis that the variables are independent. Complete parts (a) through (d). Urban 48 41 39 Suburban 70 63 64 (a) Identify the claim and state the null and alternative hypotheses. Ho: Skill level in a subject is location. Ha: Skill level in a subject is location. The is the claim. (b) Calculate the test statistic. If convenient, use technology. %3D (Round to three decimal places as needed.) (c) Decide to reject or fail to reject the null hypothesis. Then interpret the decision in the context of the original claim. Choose the correct conclusion below. O A. Reject the null hypothesis. There is not enough evidence to reject the claim that skill level in a subject is independent of…
When performing a hypothesis test to decide whether a predictor variable is useful to make predictions, you observe that p>a. What does this mean? Reject HO: The predictor is useful to make predictions Reject HO: The predictor is not useful to make predictions O Do not reject HO: The predictor is useful to make prediction O Do not reject HO: The predictor is not useful to make predictions
DTAL-AP Statistics - Unit 1-22-23 MICHAEL, DANAYSHA Which of the following variables is NOT categorical? O items sold at the cafe (hamburger, french fries, etc) O choice on a test item: true or false O zip code O age of a person favorite color (blue, green, yellow, etc.) 00

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