Use the given categorical data to construct the relative frequency distribution.Natural births randomly selected from four hospitals in a highly populated region occurred on the days of the week (in the order of Monday through Sunday) with the frequencies 52, 65, 72, 59, 52, 46, 54. O Does it appear thatsuch births occur on the days of the week with equal frequency?Construct the relative frequency distribution.Relative Frequency%%DayMondayTuesday%%%%WednesdayThursdayFridaySaturdaySunday(Type integers or decimals. Round to two decimal places as needed.)

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Answered: Use the given categorical data to…

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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A random sample of 1756 Texas government employees were selected for a study on race. The table below shows the results of the survey. Observed Frequencies of Race from the Sample Outcome Observed Frequency White 720 Hispanic 755 Black 158 Other 123 The racial distribution for the state of Texas is shown in the second column below. Fill in the expected frequencies. (Round to the nearest whole number). Frequencies of Race Outcome Expected Percent Expected Frequency White 42 Hispanic 40 Black 10 Other 8
Thirteen internists in the Midwest are randomly selected, and each internist is asked to report last year’s income. The incomes obtained are: 216,000 240,000 122,000 135,000 166,000 236,000 227,000 224,000 136,000, 186,000 223,000 206,000 210,000 Find 90th percentile Find the median Find the first quartile Find the third quartile Find the 10th percentile Find the interquartile range Develop a five-number summary Construct the boxplot
We asked thirty students how many hours they studied last weekend. The answers they gave are the following: 4, 10, 2, 0, 3, 5, 6, 10, 7, 1, 8, 2, 4, 7, 8, 10, 7, 8, 9, 10, 7, 1, 7, 10, 7, 3, 4, 8, 5, 3 Fill in the following cumulative frequency distribution. Hours of Frequency Cumulative Frequency Relative cumulative frequency studying [0,2) [2,4) [4-6) [6,8) [8,10]
55
Use the given categorical data to construct the relative frequency distribution. Natural births randomly selected from four hospitals in a highly populated region occurred on the days of the week (in the order of Monday through Sunday) with the frequencies 54, 65, 68, 56, 59, 43, 55. of the week with equal frequency? Construct the relative frequency distribution. Day Relative Frequency Monday % Tuesday % Wednesday % % Thursday Friday % Saturday % Sunday (Type integers or decimals. Round to two decimal places as needed.) Does it appear that such births occur on the days
2 3 4 P 5 D 6 7 8 The data shown here were collected via a phone survey in 2010 of 625 cell phones users of age 12 to 17 by the Pew Research Foundation. If we select a person at random from this sample: type your answer..... Number of text messages sent or received on a typical day 0 1-10 11-20 21-50 type your answer.... 51-100 101+ type your answer... % of teen cell phone users Round your answers to the nearest hundredth, O.XX. a. What is the probability that the person responded that s/he texted more than 100 times per day? c. What is the probability that the person did not respond that she never texts? 2% 22% 11% 18% 18% b. What is the probability that the person responded that s/he texted between 21 and 100 times on a typical day? ?
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C. Test value D. Make a decision
6
O A. Yes, it appears that births occur on the days of the week with frequencies that are exactly the same. Yes, it appears that births occur on the days of the week with frequencies that are about the same. O B. O C. No, it appears that births occur on the days of the week with frequencies that are substantially different. O D. It is impossible to determine with the given information.
Last school year, the student body of a local university consisted of 20% freshmen, 21% sophomores, 29% juniors, and 30% seniors. A random sample of 300 students taken from this year's student body showed the following number of students in each class. Freshmen 84 Sophomores 65 Juniors 86 Seniors 65 We are interested in determining whether there has been a significant change in the distribution of class between the last school year and this school year.If the distribution is the same as the previous year, the expected number of freshmen is _____. a. 84 b. 87 c. 60 d. 20

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