Number of Pairs of Data n 4 5 6 7 8 9 10 11 12 OA.-0.707 OB. +0.707 O C.-0.707, +0.707 OD. +0.754 Critical Value of r 0.950 0.878 0.811 0.754 0.707 0.666 0.632 0.602 0.576
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- 8Determine whether the given value is from a discrete or continuous data set. The time it takes a computer to complete a task 2 O Discrete Continuous F2 W S #3 80 F3 E D x I с $ 4 F4 R F olo 50 % ļ F5 T G MacBook Air ^ 6 v I B F6 & 7 H F7 U N * 00 8 DII FB 1 ( M DD K O ) -O Time Remaini F10 L P5. In a journal on clinical nutrition, one of the findings show that the type of workout or training has varying effect on the oxygen consumption. Dr. Castillejo wants to test if the average oxygen consumption differs among three training groups. To do this, gym members were randomly assigned to one of the three groups: strength training, aerobic training, and normal training. Those in the strength-training group performed progressive weight-resistance exercises for the upper and lower body while those in the aerobic group performed alternate leg and arm cycling. Use the R commander output below to test Dr. Castillejo's claim. Write a brief report about the analysis by identifying the set of hypotheses to be tested, the appropriate test to use, and implications and recommendations of/from the conclusions. | R COMMANDER OUTPUT Shapiro-Wilk normality test data: training = Aerobic data: training = Normal data: training = Strength W = 0.86455, p-value = 0.02809 W = 0.85003, p-value =…
- Measured value for n=20 identical specimen with a known recorded value of 2 are: 1.8, 2.2, 2.1, 2.3, 2.1, 2.2, 2.1, 2.1, 1.8, 1.9, 2.4, 2.0, 1.9, 1.9, 2.2, 2.3, 2.2, 2.3, 2.1, 2.2 Calculate the average, variance, standard deviation. The average and the standard deviation are estimated with how many degrees of freedom? What are the precision and biased of the data aboveQ1/ A sample of 6 beams was selected the value of their deflections (x variable) and their weight is demonstrated in the following table. Find the regression equation and what is the predicted weight when deflection is Sequence your name in the list. Serial no. Def. (x) Weight (y) 1 7 12 8 8 12 4 5 10 5 6 11 9 13Consider the following hypotheses: Moi p20.48 Hai p<0.48 Book Which of the following sample information enables us to reject the null hypothesis at a = 0.05 and at a = 0.10? (You may find it useful to reference the appropriate table: ztable or table) (Round ll intermediate calculations to at least 4 decimal places.) Hint nnt rences a= 0.06 a- 0.1 a. x = 50, n = 122 bx = 118, n = 329 cp-042, n= 41 d. p=042, n = 413 TABLE 2 Student's t Distribution Entries in this table provide the values of t that correspond to a given upper-tail area a and a specified number of degrees of freedom df. For example, for a = 0.05 and df = 10, P(T10 2 1.812) = 0.05. Area in Upper Tail, a
- Exam 5-7.6, 7.7, 10.5 Free license (non-professional use). Start trial license or buy. + tps://mylab.pearson.com/Student/PlayerTest.aspx?testid=258495039 METRY ONLINE 726245 5-7.6, 7.7, 10.5 t K DA This test: 84 pc This question: The figure shows a box being pulled up a ramp inclined at 23° from the horizontal. Use the following information to solve the problem. BA force of gravity, BA = weight of the box = 23° 23° AC magnitude of the force needed to pull the box up the ramp BC magnitude of the force of the box against the ramp If the box weighs 110 pounds, find the magnitude of the force needed to pull it up the ramp. 6 The magnitude of the force needed to pull the box up the ramp is approximately pounds. (Type an integer or decimal rounded to the nearest tenth as needed.) 7 PRE Q Search 4 TimePlease answer from question 4 to last questionMy answers from question 1 to 3 are at the end Sarah wants to estimate the relationship between individual earnings in the labour market (earn) and years of education achieved (educ). She collects data from a sample of 122 individuals on their monthly salaries (Y), measured in rands, and education levels (X), measured in years of education.Based on these data, she derives the following estimates: ∑XY=41421943.8∑X2=15472∑X=1242∑Y=3401031 Question 1 The value for the slope parameter is ? Question 2 .The value for the intercept parameter is ? Question 3 If se(β2)=212.4477226, construct a 99% confidence interval for the parameter. Pr( ?. ≤β2≤ . )=99% Question 4 If se(β1)=2392.463897, construct a 99% confidence interval for the parameter. Pr( ? ≤β1≤ ?. )=99% Question 5 Under a simple interpretation of the above results, if an individual wishes to earn a monthly salary of R50 000, how many years…esc C Clever | Teacher Page ← → CO E S O 18 X Question 18/25 Ov E Edulastic What is the scale factor? y > NEXT app.edulastic.com/student/assessment/646b78522e7bca00089943ce/class/63c601ce955232000837dc08/uta/646b78b356222200082e2cd4/itemld/5dd.... < A 10-8 DO Triangle ABC is dilated witha scale factor of k and a center of dilation at the origin to obtain triangle A'B'C'. Y 10+ 6 X C B BOOKMARK X 1 8 6- 4+ 2- A 40 What is the exact perimeter of a X + 6 -8- 101 2 4 6 8 C C G 10 HES 101 X into miler ast Sign out May 22
- 6.1.43 Home Find the indicated critical value. ments Z0.01 book Click to view page 1 of the table. Click to view page 2 of the table. runch Z0.01 = (Round to two decimal places as needed.) pter Contents ltimedia Library Enter your answer in the answer box and then click Check Answer. All parts showing Clear AllR1人 oー + (-12 PUILS] DETAILS DEVORESTAT9 5.E.022.MI. MY NUTES ASK YUUR IEACHER PRACTICE ANOTHER An instructor has given a short quiz consisting of two parts. For a randomly selected student, let X = the number of points earned on the first part and Y = the number of points earned on the second part. Suppose that the joint pmf of X and Y is given in the accompanying table. P(x, y) 0 10 15 0.03 0.060.02 0.10 0.04 0.13.0.20 0.10 10 0.01 0.15 0.15 0.01 (a) If the score recorded in the grade book is the total number of points earned on the two parts, what is the expected recorded score E(X + Y)? (Enter your answer to one decimal place.) (b) If the maximum of the two scores is recorded, what is the expected recorded score? (Enter your answer to two decimal places.) Need Help? Watch It Read It Master It MY NOTES ASK YOUR TEACHER 6. [1/1 Points] DETAILS PREVIOUS ANSWERS BBUNDERSTAT12 6.5.002. What is the standard deviation of a sampling distribution called? O the variance MacBook Pro へ "0.3" esc…