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Fifteen adult males between the ages of 35 and 50 participated in a study to evaluate the effect of diet and exercise on blood cholesterol levels. The total cholesterol was measured in each subject initially and then 5 months after participating in an aerobic exercise program and switching to a low-fat diet, as shown in the table below. e People e 1서 24 34 4터 54 6 74 84 9 10Variancle Before e 264 241 258 295 251 245 286 314 260 279 555.57 After e 228 232 227 240 238 241 234 256 247 239 76.84 (a) Calculate the (before and after) sample mean and standard deviation; e (b) Calculate other relevant sample statistics, i.e, median, 1st and 3rd quartiles, range and inter-quartile range; e (c) Construct a comparative box-plot for "before" and "after" cholesterol data and discuss your observations; - (d) Use tally charts / counts to calculate frequencies (use 5 bins) and construct histograms for the 2 sets of data; e

Fifteen adult males between the ages of 35 and 50 participated in a study to evaluate the effect of diet and exercise on blood cholesterol levels. The total cholesterol was measured in each subject initially and then 5 months after participating in an aerobic exercise program and switching to a low-fat diet, as shown in the table below. e People e 1서 24 34 4터 54 6 74 84 9 10Variancle Before e 264 241 258 295 251 245 286 314 260 279 555.57 After e 228 232 227 240 238 241 234 256 247 239 76.84 (a) Calculate the (before and after) sample mean and standard deviation; e (b) Calculate other relevant sample statistics, i.e, median, 1st and 3rd quartiles, range and inter-quartile range; e (c) Construct a comparative box-plot for "before" and "after" cholesterol data and discuss your observations; - (d) Use tally charts / counts to calculate frequencies (use 5 bins) and construct histograms for the 2 sets of data; e

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 10CYU
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Fifteen adult males between the ages of 35 and 50 participated in a study to evaluate the effect of diet and exercise on blood cholesterol levels. The total cholesterol was measured in each subject initially and then 5 months after participating in an aerobic exercise program and switching to a low-fat diet, as shown in the table below. e People e 1서 24 34 4터 54 6 74 84 9 10Variancle Before e 264 241 258 295 251 245 286 314 260 279 555.57 After e 228 232 227 240 238 241 234 256 247 239 76.84 (a) Calculate the (before and after) sample mean and standard deviation; e (b) Calculate other relevant sample statistics, i.e, median, 1st and 3rd quartiles, range and inter-quartile range; e (c) Construct a comparative box-plot for "before" and "after" cholesterol data and discuss your observations; - (d) Use tally charts / counts to calculate frequencies (use 5 bins) and construct histograms for the 2 sets of data; e
Transcribed Image Text:Fifteen adult males between the ages of 35 and 50 participated in a study to evaluate the effect of diet and exercise on blood cholesterol levels. The total cholesterol was measured in each subject initially and then 5 months after participating in an aerobic exercise program and switching to a low-fat diet, as shown in the table below. e People e 1서 24 34 4터 54 6 74 84 9 10Variancle Before e 264 241 258 295 251 245 286 314 260 279 555.57 After e 228 232 227 240 238 241 234 256 247 239 76.84 (a) Calculate the (before and after) sample mean and standard deviation; e (b) Calculate other relevant sample statistics, i.e, median, 1st and 3rd quartiles, range and inter-quartile range; e (c) Construct a comparative box-plot for "before" and "after" cholesterol data and discuss your observations; - (d) Use tally charts / counts to calculate frequencies (use 5 bins) and construct histograms for the 2 sets of data; e
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