A random sample of patient records from a large medical facility were taken and subjects were classified by smoking status and cholesterol levels. The results are summarized in the table with observed counts next to expected values in parentheses followed by the Chi-square component for each cell in brackets. Cholesterol Level Never Smoked 80 (68.86) [1.80] 49 (48.55) [0.00] 28 (39.59) [3.40] Totals 157 Low Moderate High Smoking Status Former Smoker 63 (63.16) [0.00] 37 (44.53) [1.27] 44 (36.32) [163] 144 Current Smoker 57 (67.98) [1.77] 55 (47.93) [1.04] 43 (39.09) [0.39] 155 Totals 200 141 115 456 Calculate the appropriate mechanics for this test and list the results in the box.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 3CYU
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A random sample of patient records from a large medical facility were taken and
subjects were classified by smoking status and cholesterol levels. The results are
summarized in the table with observed counts next to expected values in
parentheses followed by the Chi-square component for each cell in brackets.
Cholesterol Level Never Smoked
80 (68.86) [1.80]
Low
Moderate
High
28 (39.59) [3.40]
Totals 157
Smoking Status
Former Smoker
63 (63.16) [0.00]
37 (44.53) [1.27]
44 (36.32) [1.63]
144
Current Smoker
57 (67.98) [1.77]
55 (47.93) [1.04]
43 (39.09) [0.39]
155
Totals
200
141
115
456
Calculate the appropriate mechanics for this test and list the results in the box.
Transcribed Image Text:A random sample of patient records from a large medical facility were taken and subjects were classified by smoking status and cholesterol levels. The results are summarized in the table with observed counts next to expected values in parentheses followed by the Chi-square component for each cell in brackets. Cholesterol Level Never Smoked 80 (68.86) [1.80] Low Moderate High 28 (39.59) [3.40] Totals 157 Smoking Status Former Smoker 63 (63.16) [0.00] 37 (44.53) [1.27] 44 (36.32) [1.63] 144 Current Smoker 57 (67.98) [1.77] 55 (47.93) [1.04] 43 (39.09) [0.39] 155 Totals 200 141 115 456 Calculate the appropriate mechanics for this test and list the results in the box.
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