Question

For the following data, compute the value of r, and test for its significance at alpha = .05 using a one-tailed test. ∑X=24; ∑Y=50; ∑X² = 112; ∑Y² = 460; ∑XY=224. X Y 2 6 2 4 4 8 4 10 6 10 6 12 Which of the following correctly reports the results? r=.91, reject the null hypothesis. r=.81, accept the null hypothesis. r=.91, accept the null hypothesis. r=.73, reject the null hypothesis.

Name: for the following data compute the value of r and test for its significance at alpha 05 using a one tailed test x24 y50 x2 112 y2 460 xy224 x y 2 6 2 4 4 8 4 10 6 10 6 12 which of the follow 49555
Uploaded: 2023-06-16T11:13:11-08:00
Duration: 3 min 58 s
Channel: Madhur L
Description: for the following data compute the value of r and test for its significance at alpha 05 using a one tailed test x24 y50 x2 112 y2 460 xy224 x y 2 6 2 4 4 8 4 10 6 10 6 12 which of the follow 49555

          For the following data, compute the value of r, and test for its
significance at alpha = .05 using a one-tailed test. ∑X=24;
∑Y=50;  ∑X² = 112;  ∑Y² = 460; ∑XY=224.
X      Y
2      6
2      4
4      8
4     10
6     10
6     12
Which of the following correctly reports the results?
 r=.91, reject the null hypothesis.
 r=.81, accept the null hypothesis.
 r=.91, accept the null hypothesis. 
r=.73, reject the null hypothesis.

Added by Chelsea J.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Madhur L

06/16/2023

Step 1

Mean of X = ∑X/n = 24/6 = 4 Mean of Y = ∑Y/n = 50/6 = 8.33 (rounded to two decimal places) Show more…

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For the following data, compute the value of r, and test for its significance at alpha = .05 using a one-tailed test. ∑X=24; ∑Y=50; ∑X² = 112; ∑Y² = 460; ∑XY=224. X Y 2 6 2 4 4 8 4 10 6 10 6 12 Which of the following correctly reports the results? r=.91, reject the null hypothesis. r=.81, accept the null hypothesis. r=.91, accept the null hypothesis. r=.73, reject the null hypothesis.