Medicare's new medical plans offer a wide rangeof variations and choices for seniors when pickinga drug plan (San Luis Obispo Tribune, November 25,2005). The monthly cost for a stand-alone drug planvaries from plan to plan and from state to state. Theaccompanying table gives the premium for the planwith the lowest cost for each state.3.26Cost perCost perMonthMonthState(dollars)State(dollars)Colorado8.62Alabama14.08Alaska20.05Connecticut7.32Delaware6.44Arizona6.14District ofArkansas10.31Columbia6.44California5.41сontinued Cost perCost perMonthMonthState(dollars)State(dollars)Florida10.35New Jersey4,43Georgia17.91New Mexico10.65Hawaii17.18New York4.10Idaho6.33North Carolina13.27Illinois13.32North Dakota1.87Indiana12.30Ohio14.43lowa1.87Oklahoma10.07Kansas9.48Oregon6.93Kentucky12.30Pennsylvania10.14Louisiana17.06Rhode Island7.32Maine19.60South Carolina16.57Maryland6.44South Dakota1.87Massachusetts7.32Tennessee14.08Michigan13.75Texas10.31Minnesota1.87Utah6.33Mississippi11.60Vermont7.32Missouri10.29Virginia8.81Montana1.87Washington6.93Nebraska1.87West Virginia10.14Nevada6.42Wisconsin11.42NewHampshireWyoming1.8719.60a. Use class intervals of $0 to <$3, $3 to <$6, $6 to<$9, etc., to create a relative frequency distribu-tion for these data.b. Construct a histogram and comment on its shape.c. Using the relative frequency distribution or thehistogram, estimate the proportion of the statesthat have a minimum monthly plan of less than$13.00 a month.

(a) CLASS FREQUECY RELATIVE FREQUENCY 0 - <3 7 7/51=0.1373 3 - <6 3 3/51=0.0588 6 -…

Answered: a. Use class intervals of $0 to <$3, $3…

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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1. Construct a frequency distribution of the data 2. Construct a frequency histogram of the data 3. Describe any patterns a. The classes with greatest frequency are 5 and 7. The class with the least frequency is class 1. b. The class the greatest frequency is class 6. The class with the least frequency is class 2. c. The class with the greatest frequency is class 1. The class with the least frequency is class 6. d. The class with the greatest frequency is class 1. The classes with the least frequency are classes 5 and 7.
Construct a frequency distribution for the given data set using 6 classes. In the table, include the midpoints, relative frequencies, and cumulative frequencies. Which class has the greatest frequency and which has the least frequency? 269 258 331 447 408 358 Amount (in dollars) spent on books for a semester 84 482 511 430 508 446 158 50 485 269 412 395 95 304 403 87 405 381 320 245 473 87 315 C Complete the table, starting with the lowest class limit. Use the minimum data entry as the lower limit of the first class. (Type integers or decimals. Round the class limits to the nearest whole number. Round all other values to the nearest thousandth as needed.) Relative Cumulative Frequency Class 50-126 Frequency 75 Midpoint 88 Frequency 75 Clear all Check answer
Select the correct answer and write the appropriate letter in the space provided _____ 1. A grouping of data into classes giving the number of observations in each class is called a(an) a bar chart. b. frequency distribution. c. pie chart. d. cumulative frequency distribution. ______ 2. The distance between consecutive lower class limits is called the a. class interval. b. frequency distribution. c. class midpoint. d. class frequency. ______ 3. The class midpoint is a. equal to the number of observations. b. found by adding the lower class limits of two consecutive classes and dividing by 2. c. equal to the class interval. d. all of the above. ______ 4. The number of observations in a particular class is called the a. class interval. b. class frequency. c. frequency distribution. d. none of the above. ______ 5. A bar chart is used most often when a. you want to show frequencies as compared to total observations. b. you want to show…
Determine which of the four levels of measurement ( norminal, ordinal, interval, ratio) is most appropriate for the data below. Years in which U.S. presidents were inaugurated
Among fatal plane crashes that occurred during the past 50 years, 668 were due to pilot error, 57 were due to other human error, 628 were due to weather, 449 were due to mechanical problems, and 325 were due to sabotage. Construct the relative frequency distribution. What is the most serious threat to aviation safety, and can anything be done about it? Cause Frequency Pilot error Other human error Weather Mechanical problems Sabotage % (Round to one decimal place as needed.) % %

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