2.Researchers studied selenium levels in beef raised in a low selenium region of the United States. The goal of the study was to compare selenium levels in the region-raised beef to selenium levels in cooked venison, squirrel, and beef from other regions of the United States. The data in the Excel file (se_level.xlsx or se_level.txt) are the selenium levels calculated on a dry weight basis in mg=100 g for a sample of 53 region-raised cattle 11.23 29.63 20.42 10.12 39.91 32.66 38.38 36.21 16.39 27.44 17.29 56.20 28.94 20.11 25.35 21.77 31.62 32.63 30.31 46.16 56.61 24.47 29.39 40.71 18.52 27.80 19.49 15.82 27.74 22.35 34.78 35.09 32.60 37.03 27.00 44.20 13.09 33.03 9.69 32.45 37.38 34.91 27.99 22.36 22.68 26.52 46.01 38.04 30.88 30.04 25.91 18.54 25.51 Please answer the following questions: Use these data to construct: A frequency distribution A relative frequency distribution A cumulative frequency distribution A cumulative relative frequency distribution A histogram A frequency polygon Describe these data with respect to symmetry and How many of the measurements are greater than 40? What percentage of the measurements are less than 25?

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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2.Researchers studied selenium levels in beef raised in a low selenium region of the United States. The goal of the study was to compare selenium levels in the region-raised beef to selenium levels in cooked venison, squirrel, and beef from other regions of the United States. The data in the Excel file (se_level.xlsx or se_level.txt) are the selenium levels calculated on a dry weight basis in mg=100 g for a sample of 53 region-raised cattle

11.23	29.63	20.42	10.12	39.91	32.66	38.38	36.21	16.39	27.44	17.29	56.20	28.94	20.11	25.35
21.77	31.62	32.63	30.31	46.16	56.61	24.47	29.39	40.71	18.52	27.80	19.49	15.82	27.74	22.35
34.78	35.09	32.60	37.03	27.00	44.20	13.09	33.03	9.69	32.45	37.38	34.91	27.99	22.36	22.68
26.52	46.01	38.04	30.88	30.04	25.91	18.54	25.51

Please answer the following questions:

Use these data to construct:
1. A frequency distribution
2. A relative frequency distribution
3. A cumulative frequency distribution
4. A cumulative relative frequency distribution
5. A histogram
6. A frequency polygon
Describe these data with respect to symmetry and

How many of the measurements are greater than 40?

What percentage of the measurements are less than 25?

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