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The data in the file protein.xls indicate fat and cholesterol information concerning popular protein foods (fresh red meats, poultry, and fish).

For the data relating to the number of calories and the amount of cholestrol for the popular protein foods:

a. Consruct a frequency distribution and a percentage distribution.

b. Construct a histogram and a percentage polygon.

c. Form a cumulative percentage distribution and plot a cumulative percentage polygon.

d. What conclusions can you draw from these analyses?

Calories Protein %Calories fat %Calories saturated fat Cholesterol
250 25 58 23 82
287 23 66 26 87
184 28 24 12 82
263 28 54 21 91
244 28 51 22 71
191 28 38 16 89
215 30 42 17 94
217 27 36 12 482
240 27 52 18 90
208 30 37 15 89
397 29 67 27 121
183 33 42 20 127
175 26 37 15 131
239 27 51 14 88
190 29 37 10 89
157 30 18 6 69
98 16 6 0 39
98 22 8 1 74
99 21 12 2 54
199 27 77 20 100
110 23 13 3 53
182 27 24 5 93
112 23 8 1 56
116 24 15 2 156
181 32 41 10 48

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