A. To test for the significance of the phi correlation, one must use the ______________ distribution. Group of answer choices: 1.t 2. Chi-square 3. z 4. F B. To test for the significance of a Pearson correlation, one must use the ______________ distribution. Group Answer Choices: 1. F 2. Chi-square 3. z 4. t

A. To test for the significance of the phi correlation, one must use the distribution. Group of answer choices: 1.t 2. Chi-square 3. z 4. F B. To test for the significance of a Pearson correlation, one must use the distribution. Group Answer Choices: 1. F 2. Chi-square 3. z 4. t

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

%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.
The accompanying table shows the ages (in years) of 11 children and the numbers of words in their vocabulary. Complete parts (a) through (d) below. Click here to view the data table. Click here to view the table of critical values for the Pearson correlation coefficient. ... Interpret the correlation. Choose the correct answer below. O A. Aging causes the number of words in children's vocabulary to increase. B. Based on the correlation, there does not appear to be any relationship between children's ages and the number of words in their vocabulary. O C. Based on the correlation, there does not appear to be a linear relationship between children's ages and the n O D. Aging causes the number of words in children's vocabulary to decrease. CE. As age increases, the number of words in children's vocabulary tends to increase. there is a significant linear correlation O F. As age increases, the number of words in children's vocabulary tends to decrease. there is no correlation (d) Use the…
Weight (lbs.) 173 184 194 214 168 220 188 188 207 167 217 Systolic Blood Pressure 132 143 153 162 154 168 137 149 159 128 1 1. The sample correlation coefficient is _____________
None
Variability within groups can have a huge impact on your analyses. With increased variability, you are ________ likely to find significant differences between the groups. A. More B. Less
Suppose the correlation coefficient r=0.16 Find:a. The coefficient of determination r2= (round to 3 decimal places)b. The percentage of explained variation = % (round to 1 decimal place)c. The percentage of unexplained variation = % (round to 1 decimal place)
The Spearman correlation is like the Pearson correlation except that it uses _____ instead of _____. a. Interval data ; ordinal data b. df ; n c. Ranked scores ; raw scores d. Mean scores ; independent scores
University of Nizura Find Karl Pearson's coefficient of correlation r: byx=-0.45,bry =-1.5 Select one: O A -0.45 O B.0.68 O C. 0.91 O D. -1.5 O E. None of these page
Best choice
A correlation value of -0.15 is considered a(n) ______ correlation. a. insignificant b. small c. large d. medium
The correlation coefficient between variables X and Y is 0.62. What does this signify? Question 8Answer a. When Y increases 1, X increases by 0.62 b. When X increases by 1, Y increases by 0.62 c. The variance shared by X and Y is less 20% d. The variance shared by X and Y is 62%
Which number below is representative of the largest correlation? r = -0.75 r = .05 r = -0.45 r = 0.65