The height (in cm) and weight (in lbs) of 16 randomly selected baseball players are shown in the table below. height weight 76 212 76 224 72 180 74 210 75 215 71 200 77 235 78 235 77 194 76 185 72 180 72 170 75 220 74 228 73 210 74 186 Download CSV Assume we want to do a regression analysis. i. Find the correlation coefficient. Round your answer to four decimal places. r =

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 11PPS
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The height (in cm) and weight (in lbs) of 16 randomly selected baseball players are shown in the table below.
height weight
76
212
76
224
72
180
74
210
75
215
71
200
77
235
78
235
77
194
76
185
72
180
72
170
75
220
74
228
73
210
74
186
Download CSV
Assume we want to do a regression analysis.
i. Find the correlation coefficient. Round your answer to four decimal places.
r =
ii. Does it actually make sense to use the line for predictions? Do a hypothesis test with a = 0.05 and
explain your answer. You may want to reference a Critical Values Table [+] (there is also one in your
textbook).
Transcribed Image Text:The height (in cm) and weight (in lbs) of 16 randomly selected baseball players are shown in the table below. height weight 76 212 76 224 72 180 74 210 75 215 71 200 77 235 78 235 77 194 76 185 72 180 72 170 75 220 74 228 73 210 74 186 Download CSV Assume we want to do a regression analysis. i. Find the correlation coefficient. Round your answer to four decimal places. r = ii. Does it actually make sense to use the line for predictions? Do a hypothesis test with a = 0.05 and explain your answer. You may want to reference a Critical Values Table [+] (there is also one in your textbook).
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