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- In the least squares equation, = 10 + 20X, the value of 20 indicates ________. A) the Y-intercept increases by 20 units for each unit increase in X B) that Y increases by 20 units for each unit increase in X C) that X increases by 20 units for each unit increase in Y D) the error in predictionDetermine the least squares solution to Ax = b, whereIf the least squares line has an equation of y = -0.5x + 108, find the estimated shoe size for a man with an IQ score of 102. Group of answer choices A.) size 9 B.) size 10 C.) size 11 D.) size 12
- If I have a list of data and use the least squares error, why would the function be a function of mIn the least-squares line = 5 – 9x, what is the value of the slope?When x changes by 1 unit, by how much does y change? When x increases by 1 unit, y decreases by 9 units. When x decreases by 1 unit, y decreases by 9 units. When x increases by 1 unit, y decreases by −9 units. When x increases by 1 unit, y increases by 9 units.for a sample of 5 students, the amount of time in hourse each studied for an exam and the score on the exam were recorded. in the sample the least amount of time studied was one hour and the greatest amount of time studdied was six hours. the equation of the least squares lline is y=65+4x. if a student studied 4.75 hours for the exam what score does the least square line predict the student achieved
- Percentages of public school students in fourth and eighth grades who were above the proficiency level were given for 8 western states 4th Grade Proficiency 8th Grade Proficiency Arizona 15 21 California 11 18 Hawaii 16 16 Montana 22 37 New Mexico 13 13 Oregon 21 32 Utah 23 26 Wyoming 19 25 Construct a scatterplot and comment on any interesting characteristics Find the least squares equation. If Nevada had a 4th grade proficiency of 14%, what would you expect the 8th grade proficiency to be?What two nonnegative real numbers a and b whose sum is 23maximize a2 + b2? Minimize a2 + b2?What is the least squares prediction equation? y=enter your response here+enter your response here x1+enter your response here x2 (Type integers or decimals.)
