The data below show the finishing times (in minutes) for people in a running group who participated in the New York Marathon.201214218220222230236239242247249254293318Use the data given above to fill out the frequency table below. Write the relative frequency as a decimal. Round to 3 decimal places, ifneeded.BinFrequencyRelative Frequency200-229230-259260-289290-319

Given information: 201, 214, 218, 220, 222, 230, 236, 239, 242, 247, 249, 254, 293, 318

Answered: The data below show the finishing times…

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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Answer the following 1. {(10,9), (-2, -16), (-6,7), (5,8), (8,-16), (-11,9)}Domain: ___________________________Range: ____________________________Function or Not: _____________________ 2. {(15,-3), (-6,9), (-3,0), (-1,16)}Domain: ___________________________Range: ____________________________Function or Not: _____________________ 3.{(-4,3), (5,-9), (11,4), (9,6), (5,-3), (8,-9), (1,4)}Domain: ___________________________Range: ____________________________Function or Not: _____________________ 4. {(6,0),(-12,-16),(-6,10),(20,-7)} Domain: ___________________________Range: ____________________________Function or Not: _____________________
Find the mean of the data from the frequency table: Value Frequency 0 6 1 0 2 6 3 8 4 9 5 6 Give your answer to two decimal places.
For the grouped frequency table shown below which shows salaries at a company (expressed in thousands), find the midpoint for the second row in the table: Salary Interval Frequency 19-29 12 30-40 15 41-51 9
Complete the table below. The following data show the ages of recent award-winning male actors at the time when they won their award. Make a frequency table for the data, using bins of 20-29, 30-39, and so on. Click the icon to view the ages of male actors. Age No. of actors 20-29 30-39 Data table 40-49 50-59 60-69 34 70-79 30 50 37 23 52 43 44 36 64 2534 22 79 57 44 49 30 534 2743 50 36 44 543 22 42 32 63 52 32 44 333 24 43 59 78 31 43 42 33 - ×
A biologist exposed a certain type of bacteria to gamma radiation to see how long they would live. He gathered data on the survival time of a number of bacterial cells and organized the data into the histogram below. Use the histogram to construct a frequency table. (The relative frequencies should be in decimal form.) 60+ 50 40 30 10 440 282 Survival Time (in Seconds) 45 124 203 361 519 Survival Time of Bacteria upon Exposure to Gamma Radiation Frequency Survival Time (in Seconds) Relative Frequency 45-124 124-203 203-282 282-361 361-440 440-519 Frequency 20
Hmm.115.
Fill in the missing data. 2590 2440 1920 1870 1870 1420 1410 1390 1340 1200 1190 1170 1070 1020 919 900 889 856 793 777 752 723 680 661 649 Length Frequency 500-999 1000-1499 1500-1999 2000-2499 2500-2999
The frequency distribution to the right shows the various levels of demand for a particular laptop computer sold by a store during the last 50 business days. Determine the average number of laptops sold per day. Number of Laptops Frquency 0 251 52 63 114 15 2
Twenty members of a health club who jog were asked how many miles they jog per week. The responses are to the right. Construct a stem-and-leaf display. For single digit data, use a stem of 0. Complete the stem-and-leaf display. (Use ascending order.) 13 25 16 15 114 2 18 120 31 44 127 23 35 19 20 118 13 17 18 17 D
The owner of a radio station wants to determine how much airtime songs take up. The owner collects the song length in seconds of 10 popular songs. The data are reproduced in the table below. Calculate the mode(s) using a TI-83. TI-83 plus, or TI-84 graphing calculator. Length of Songs in Seconds 279 219 298 134 206 293 165 227 230 212
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2. Find the minimum sample size needed to be 90% confident that the true proportion of students who receive financial aid is accurate within 1% of the population proportion. 3. A study done by the Water Quality and Health Council found that in a simple random sample of 21 people who used public restrooms, 23% of people washed their hands with water only (when soap was available). B Construct a 95% confidence interval for the population proportion of people who wash their hands with only water when using a public restroom.

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