The following data was collected to explore how the average number of hours a student studies per night and the student's GPA affect their ACTscore. The dependent variable is the ACT score, the first independent variable (x1) is the number of hours spent studying, and the secondindependent variable (x2) is the student's GPA.Effects on ACT ScoresStudy HoursGPAACT Score02171220322554265426Step 1 of 2: Find the p-value for the regression equation that fits the given data. Round your answer to four decimal places.AnswerHow to enter your answer (opens in new window)Copy DataKeypadKeyboard Shortcuts

Answered: Image /qna-images/answer/e06c639c-830e-49f2-b97a-5c936d729684.jpg

Answered: The following data was collected to…

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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Which variable is most likely to be an independent variable? reading test score stress level running speed weight loss forms of therapy
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The table lists weights (pounds) and highway mileage amounts (mpg) for seven automobiles. Use the sample data to construct a scatterplot Use the first variable for the x-axis. Based on the scatterplot, what do you conclude about a linear correlation? 2425 Weight (Ib) Highway (mpg) 2725 2875 3480 4070 4090 3125 34 33 30 25 24 36 31 Which scatterplot below shows the data? O A. OB. C. O D. 40- 40- 40 20+ 2000 20- 2000 Weight (Ib) 20어 2000 20- 2000 Weight (Ib) 5000 5000 5000 5000 Weight (Ib) Weight (Ib) Is there a linear relationship between weight and highway mileage? O A. No, there appears to be no relationship. O B. Yes, as the weight increases the highway mileage increases. O C. No, there appears to be a relationship, but it is not linear. Click to select your answer. 4:21 PM a 17 梦 * v 6/4/2021 W 0 門 e Type here to search Chp ins prt sc delet fg ho ト f8 144 f6 10 f5 f4 IOI esc back & #3 $4 4 T. 6, 00 %24 (6 d) AamH 3. (B dw) Am
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For the following research topics, what is the independent variable and what is the dependent variable? Examining the effect of IQ on Grades Gender and Self-Esteem Age and Political Views Race and level of education
The more serving of fruits and vegetables that people tend to eat during the week, the lower their levels of cholesterol. What type of correlation vegetables eaten and cholesterol levels? A positive B negative
Experimental or Observational: A group of students is interested in knowing if there is a correlation between the amount of sleep kids get and their performance on the SAT. They have 20 kids sleep for 5 hours, 20 kids sleep for 6 hours, 20 kids sleep for 7 hours, and 20 kids sleep for 8 hours. They get their SAT scores and analyze the data. ______________
an experiment conducted to evaluate the effectiveness of different study strategies. One part asked students to prepare for a test by reading a passage. Students answered questions after reading the passage. students were given a test on the passage material and the reasearchers recorded the number of correct answers, What is the dependent variable for this study
Answer
Scenario: Album Sales: A study was done to see whether getting radio airtime and spending money on advertisements accurately predicts the number of album copies sold. A random sample of 200 artists’ albums were tracked on the number of times their songs play on the central radio station, how much money (in thousands) they spent on advertisements, as well as the number (in thousands) of album copies were sold. A record company wanted to determine if there was a positive relationship between album sales and the other two variables (money spent on advertisements and number of albums sold) What is the Null and alternative hypotheses (based on context of study) in symbols and words:
A researcher selected an all-girls high school to study math achievement by comparing text lessons vs. visual lessons (the independent variable) and used final exam scores as the dependent variable. He arranged for text lessons in the Fall and visual lessons in the Spring. What is confounded with what? a. type of lesson with season of year b. Girls with exam scores and season of year c. type of lesson with exam scores d. season of year with exam scores
need help in d and e

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