SPEARMAN'S RANK CORRELATIONSuppose 10 rivers have been ranked by a two judges according to their cleanliness. Dothe judges seem to agree on their ratings?RiverJudge AJudge B1652631045678910491223817109Describe the correlation coefficientIs the correlation significant at 0.05 level of significant (two tailed)?7385

Given data, River Judge A Judge B 1 6 5 2 4 6 3 9 10 4 1 2 5 2 3 6 7 8 7 3 1 8 8…

Answered: SPEARMAN'S RANK CORRELATION Suppose 10…

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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X Y 14 25 26 28 19 27 13 21 28 31 23 24 30 31 26 27 19 29 Mean. 22 27 Std. Dev 6.08 3.28 Correlation 0.76 What is the tcritical value using the direct difference approach?
K Listed below are altitudes (in thousands of feet) and outside air temperatures (in °F) recorded during a flight between two cities. A. Altitude Temperature Use these data to complete parts (a) through (d) below. A Temp. 60- -60- a. Construct a scatterplot. Choose the correct answer below. O -O | O O strong O b p 3 56 Alt. 410 9 39 weak positive correlation strong negative correlation 13 26 strong positive correlation O weak negative correlation B. 23 - 6 A Temp. 60- -60- 26 - 30 O O -O- 32 - 42 Alt. 40 b. Briefly characterize the correlation in words. Choose the correct answer below. 33 - 52 h .. O C. 60- -60- Temp. O 10 O O Alt. 40 SO D. A Temp. O 60- -60- O O O O Alt. 40
Statistics Question
%24 Remaining Time: 2 hours, 38 minutes, 29 seconds. * Question Completion Status: A Moving to another question will save this response. Question 7 Using the following summary statistics, find the correlation coefficient to 4 decimal places. Ey²-3478, xy=2856 n=8, x-145, Ev=150, x²-3051, Oonse. >A Moving to another question will save trs 直 f4 f5 f3 10 & %23 6 5. 6. 3.
Match each scatterplot shown below with one of the four specified correlation coefficients. 8 89% 0 go eagle 880 09 O a. b. 0.42 c. 0.88 -0.44 -0.85 d.
Chapter 4 Homework Score: 3/14 3/14 answered Question 1 Based on the data shown below, calculate the correlation coefficient (to three decimal places) y 4 27.54 26.8 27.96 29.02 31.68 9. 34.24 Question Help: MMessage instructor Submit Question 5678
Only question from part d to g
Please answer all questions A biologist looked at the relationship between number of seeds a plant produces and the percent of those seeds that sprout. The results of the survey are shown below. Seeds Produced 60 57 40 44 45 58 54 48 Sprout Percent 54 53.2 65 59.4 66 49.8 51.4 64.8 Find the correlation coefficient: r=r= Round to 2 decimal places. The null and alternative hypotheses for correlation are:H0:H0: == 0H1:H1: ≠≠ 0 The p-value is: (Round to four decimal places) Use a level of significance of α=0.05α=0.05 to state the conclusion of the hypothesis test in the context of the study. There is statistically significant evidence to conclude that there is a correlation between the number of seeds that a plant produces and the percent of the seeds that sprout. Thus, the regression line is useful. There is statistically insignificant evidence to conclude that there is a correlation between the number of seeds that a plant produces and the percent of…
p20 need help with parts b and d please 0.0498 0.67 wrong
Need question #13 and #14 answered with the curves
You have data on the incidence of three types of malaria (A, B, and C) in three tropical regions (Africa, Asia, South America) . Is there a relationship between location and type of malaria? What is the appropriate test to answer this question? A Paired Samples t test B Correlation C Chi Square test D Independent Samples t test
Question 7 Is the data point, P, an outlier, an influential point, both, or neither? 60 50 40 30- 20 10 10 20 Neither Both Outlier Influential point

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