Medicare's new medical plans offer a wide range of variations and choices for seniors when picking a drug plan. The monthly cost for a stand-alone drug plan varies from plan to plan and from state to state. The accompanying table gives the premium for the plan with the lowest cost for each state. State Cost per Month (dollars) Alabama 3.84 Alaska 1.87 Arizona 13.87 Arkansas 8.26 California 19.88 Colorado 10.63 Connecticut 4.34 Delaware 6.29 District of Columbia 7.01 Florida 17.73 Georgia 12.39 Hawaii 6.22 Idaho 9.73 Illinois 20.86 Indiana 3.28 Iowa 8.86 Kansas 1.87 Kentucky 8.75 Louisiana 9.65 Maine 1.87 Maryland 6.78 Massachusetts 10.68 Michigan 17.59 Minnesota 8.99 Mississippi 9.60 Missouri 10.10 Montana 10.13 Nebraska 10.33 Nevada 1.87 New Hampshire 10.00 New Jersey 13.92 New Mexico 8.87 New York 13.17 North Carolina 17.90 North Dakota 12.55 Ohio 1.87 Oklahoma 6.41 Oregon 1.87 Pennsylvania 15.68 Rhode Island 6.96 South Carolina 7.20 South Dakota 10.16 Tennessee 12.75 Texas 20.45 Utah 14.25 Vermont 7.28 Virginia 10.61 Washington 7.11 West Virginia 6.60 Wisconsin 8.98 Wyoming 8.44 (a) Use class intervals of $0 to <$3, $3 to <$6, $6 to <$9, etc., to create a relative frequency distribution for these data. (Round your answers for relative frequency to three decimal places.) Class Interval Frequency Relative Frequency $0 - <$3 $3 - <$6 3 0.059 $6 - <$9 $9 - <$12 $12- <$15 $15 - <$18 4 0.078 $18 - <$21 3 0.059 TOTAL 51 (b) Construct a histogram. Comment on its shape. This is a bimodal distribution with peaks at the 12-15 and 18-21 classes. The distribution is negatively skewed.This is a unimodal distribution with a peak at the 9-12 class. The distribution is reasonably symmetric. This is a unimodal distribution with a peak at the 0-3 class. The distribution is positively skewed.This is a bimodal distribution with peaks at the 0-3 and 6-9 classes. The distribution is positively skewed. (c) Using the relative frequency distribution or the histogram, estimate the proportion of the states that have a minimum monthly cost of less than $12.00 a month. (Round your answer to one decimal place.) %

Medicare's new medical plans offer a wide range of variations and choices for seniors when picking a drug plan. The monthly cost for a stand-alone drug plan varies from plan to plan and from state to state. The accompanying table gives the premium for the plan with the lowest cost for each state. State Cost per Month (dollars) Alabama 3.84 Alaska 1.87 Arizona 13.87 Arkansas 8.26 California 19.88 Colorado 10.63 Connecticut 4.34 Delaware 6.29 District of Columbia 7.01 Florida 17.73 Georgia 12.39 Hawaii 6.22 Idaho 9.73 Illinois 20.86 Indiana 3.28 Iowa 8.86 Kansas 1.87 Kentucky 8.75 Louisiana 9.65 Maine 1.87 Maryland 6.78 Massachusetts 10.68 Michigan 17.59 Minnesota 8.99 Mississippi 9.60 Missouri 10.10 Montana 10.13 Nebraska 10.33 Nevada 1.87 New Hampshire 10.00 New Jersey 13.92 New Mexico 8.87 New York 13.17 North Carolina 17.90 North Dakota 12.55 Ohio 1.87 Oklahoma 6.41 Oregon 1.87 Pennsylvania 15.68 Rhode Island 6.96 South Carolina 7.20 South Dakota 10.16 Tennessee 12.75 Texas 20.45 Utah 14.25 Vermont 7.28 Virginia 10.61 Washington 7.11 West Virginia 6.60 Wisconsin 8.98 Wyoming 8.44 (a) Use class intervals of $0 to <$3, $3 to <$6, $6 to <$9, etc., to create a relative frequency distribution for these data. (Round your answers for relative frequency to three decimal places.) Class Interval Frequency Relative Frequency $0 - <$3 $3 - <$6 3 0.059 $6 - <$9 $9 - <$12 $12- <$15 $15 - <$18 4 0.078 $18 - <$21 3 0.059 TOTAL 51 (b) Construct a histogram. Comment on its shape. This is a bimodal distribution with peaks at the 12-15 and 18-21 classes. The distribution is negatively skewed.This is a unimodal distribution with a peak at the 9-12 class. The distribution is reasonably symmetric. This is a unimodal distribution with a peak at the 0-3 class. The distribution is positively skewed.This is a bimodal distribution with peaks at the 0-3 and 6-9 classes. The distribution is positively skewed. (c) Using the relative frequency distribution or the histogram, estimate the proportion of the states that have a minimum monthly cost of less than $12.00 a month. (Round your answer to one decimal place.) %

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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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State	Cost per Month (dollars)
Alabama	3.84
Alaska	1.87
Arizona	13.87
Arkansas	8.26
California	19.88
Colorado	10.63
Connecticut	4.34
Delaware	6.29
District of Columbia	7.01
Florida	17.73
Georgia	12.39
Hawaii	6.22
Idaho	9.73
Illinois	20.86
Indiana	3.28
Iowa	8.86
Kansas	1.87
Kentucky	8.75
Louisiana	9.65
Maine	1.87
Maryland	6.78
Massachusetts	10.68
Michigan	17.59
Minnesota	8.99
Mississippi	9.60
Missouri	10.10
Montana	10.13
Nebraska	10.33
Nevada	1.87
New Hampshire	10.00
New Jersey	13.92
New Mexico	8.87
New York	13.17
North Carolina	17.90
North Dakota	12.55
Ohio	1.87
Oklahoma	6.41
Oregon	1.87
Pennsylvania	15.68
Rhode Island	6.96
South Carolina	7.20
South Dakota	10.16
Tennessee	12.75
Texas	20.45
Utah	14.25
Vermont	7.28
Virginia	10.61
Washington	7.11
West Virginia	6.60
Wisconsin	8.98
Wyoming	8.44

(a) Use class intervals of $0 to <$3, $3 to <$6, $6 to <$9, etc., to create a relative frequency distribution for these data. (Round your answers for relative frequency to three decimal places.)

Class Interval	Frequency	Relative Frequency
$0 - <$3
$3 - <$6	3	0.059
$6 - <$9
$9 - <$12
$12- <$15
$15 - <$18	4	0.078
$18 - <$21	3	0.059
TOTAL	51

(b) Construct a histogram.

Comment on its shape.

This is a bimodal distribution with peaks at the 12-15 and 18-21 classes. The distribution is negatively skewed.This is a unimodal distribution with a peak at the 9-12 class. The distribution is reasonably symmetric. This is a unimodal distribution with a peak at the 0-3 class. The distribution is positively skewed.This is a bimodal distribution with peaks at the 0-3 and 6-9 classes. The distribution is positively skewed.

(c) Using the relative frequency distribution or the histogram, estimate the proportion of the states that have a minimum monthly cost of less than $12.00 a month. (Round your answer to one decimal place.)
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