4. Which of these trend lines best matches the scatter plot?1412108212O620tyDA2C244A Trend line AOB. Trend line BOC. Trend line COD Trend line D6 860810 1210#12 1414121086201210B60200yB2D24468108 1012 141214

Answered: Image /qna-images/answer/60c53c98-8c22-4431-ac55-4b61033f1236.jpg

Answered: 4. Which of these trend lines best…

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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2. Using summary statistics in question 6, find the 98% confidence interval for the difference of mean fabric strengths for the two types using a pooled interval. Interpret your answer.
11
I keep getting these wrong on my homework assignments please explain
The following is data for the first and second Quiz scores for 8 students in a class. First Quiz (Q1) Second Quiz (Q2) 11 12 12 13 15 13 16 12 18 17 20 19 22 21 24 20 Plot the points in the grid below, then sketch a line that best fits the data. 32+ Q2 28 24 20- 16 12 4 QI 12 16 20 24 28 32 Clear All Draw: Use the line above to predict the value of the second quiz score if a student had a score of 28 on the first test. (Please enter a whole number)
4b62-a72b- Anthony records the number of misspelled words per page in a short story. Below is the data. Provide your answer below: Frequency 14 13 12 13- --12- Make a dot plot that represents the misspelled word data. -11- -10- -9- -8- -7- 1 6- 1 6 LO 5 3 3 4 7 3 4 1 2 6 2 2 1 3 3
Q. 16. step by stepsolutiomn please Scatter plots and Equations of Lines, Writing an Equation for a trend line Which graph shows the best trend line for the following data Practice (weeks) 6 8 10 12 14 16 18 Score 15.5 21.5 26.5 34 33 37 41
1. The table below gives the number of hours a student spent studying for a test and their grade. a.) Draw a scatter plot of the data. Hours Spent Studying 3 2 2 5 1 0.5 4 3 Grade on Exam 84 77 92 70 60 90 75 b.) Draw the best fit line through the points (5,92) and (1, 70). Grade on Exam 90 80 70 60 c.) Is the correlation positive, negative, or none? f.) Write the equation of the best fit line. 50 d.) Find the slope of the best fit line: (5, 92) & (1,70) (round to one decimal) 0 2 4 6 8 10 Hours Spent Studying e.) What does the slope mean? T1-04 Plus TEXAS g.) Predict the grade for a student who studied for 2.5 hours. Is this an extrapolation or interpolation?
(a) Find the five-number summary, and (b) draw a box-and-whisker plot of the data. 4 8 8529 8 79 6 9 4 2 6 2 9 8779 0 (a) Min = 2 (Simplify your answer.) = 4.25 (Simplify your answer. Do not round.) Q2= 7 (Simplify your answer. Do not round.) Q3 = 8.75 (Simplify your answer. Do not round.) Max = (Simplify your answer.)
First Quiz (Q1) Second Quiz (Q2) 12 13 13 10 14 11 15 16 17 14 25 24 27 23 28 24 Plot the points in the grid below, then sketch a line that best fits the data. 32+ Q2 28 24 20 16- 12 8- 4 Q1 4 8. 12 16 20 24 28 32 Clear All Draw: Use the line above to predict the value of second quiz score if. a student had a score of 18 on the first test. (Please enter a whole number)
L1Q6.
3. Using data in question 6, determine whether there is enough evidence to conclude that the type II has higher strength than type I? Use a pooled t-test with a = 0.05. 1. Identify the parameters 2. Null Hypothesis 3. Alternative Hypothesis 4. Test Statistic 5. Rejection Region 6. Conclusion

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4. Which of these trend lines best matches the scatter plot? 14 12 10 NO 0 • 2 A 2 4 6 8 10 12 14 14 12 10 2 0 B 2 4 6 8 10 12 14