The following table shows the distribution of the life time of 350 radio tubes.Lifetime (in hours) :Number of tubes300-400400-500S00-600600-700700-800800-900900 1000618731656222Stating clearly the assumptions involved, obtain the percentage of tubes that have life time:(a) Greater than 760 hours; (b) Between 650 and 850 hours; and (c) Less than 530 hours,

Given Lifetime (in hours) Number of tubes 300 - 400 6 400 - 500 18 500 - 600 73 600 - 700…

Answered: The following table shows the…

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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Scientists are looking at the effects of global warming on clutches of sea turtle hatchlings in different parts of the world. The data below has been collected: 1.Temperature of Incubation (in Kelvin) 2. Gender Group of Hatchling Clutch (0=0% male; 1= greater than 0% but less than or equal to 10% male; 2= greater than 10% but less than 20% male; 3= greater than 20% but less than or equal to 30% male and so on) 3. Number of hatched eggs 4. number of unhatched eggs 5. Location of Turtles (0=west North America; 1= west South America; 2= tropical regions of Pacific; 3= northwestern Atlantic; 4= Indian Ocean Which of the above variables are measured using a nominal scale, ordinal scale and ratio scale. (An answer can be none of variables) thank you
4. A poultry farmer weighed the 200 eggs which his chickens laid in a week and recorded the data (to the nearest gram) in the distribution below Mass of egg (g) | Total no. of eggs 30 – 34 13 35 – 39 21 40 – 44 33 45 – 49 10 50 – 54 16 55 – 59 38 60 – 64 23 65 – 69 28 70 – 74 11 75 – 79 7 a. Using an assumed mean of A = 57, calculate: i. The mean of the distribution ii. The standard deviation of the distribution b. Construct an ogive for the given distribution 1 1 1 5. Three men at a shooting range have probabilities and 4 3 of hitting a bull’s eye with one shot. Each man fires one shot. Find, correct to three decimal places, the probability that only one man hits the bull's eye.
The table shows population statistics for the ages of Best Actor and Best Supporting Actor winners at an awards ceremony. The distributions of the ages are approximately bell-shaped. Compare the z-scores for the actors in the following situation. Best Actor Best Supporting Actor µ= 42.0 µ= 51.0 o = 8.7 o = 12 In a particular year, the Best Actor was 40 years old and the Best Supporting Actor was 77 years old. Determine the z-scores for each. Best Actor: z %3D Best Supporting Actor: z = (Round to two decimal places as needed.) Interpret the z-scores. The Best Actor was the mean, which unusual. The Best Supporting Actor was the mean, which unusual.
Answer.
People living in a town are grouped according to their age into five groups. The number of persons lived during a calendar year and the number of deaths recorded during the same period are as follows: Age Group (in years) 0-10 10-30 30-50 50-70 70 and above No. of Persons 5,000 10,000 15,000 10,000 2,000 No. of Deaths 125 30 30 200 1,000 Calculate crude death rate of the town.
The amounts (in dollars) paid by 20 students for textbooks during the fall term are given on the right. 22 44 29 55 27 35 25 51 64 62 24 47 62 59 35 42 27 53 65 59 Interval Frequency 10 - 19.99 20 - 29.99 30 - 39.99 40 - 49.99 50 - 59.99 60 - 69.99 Book Cost Does the histogram on the left represent this data? Yes А В С DE No A: 20 - 29.99 B: 30 - 39.99 C: 40 - 49.99 D: 50 - 59.99 E: 60 - 69.99
Listed below are the measured radiation absorption rates (in W/kg) corresponding to 11 cell phones. Use the given data to construct a boxplot and identify the 5-number summary. 1.16 0.61 0:87 1.27 1.46 0.73 1.09 1.04 1.48 0.52 0.63 The 5-number summary is and all in W/kg. (Use ascending order. Type integers or decimals. Do not round.)
The table below shows the lower back pain intensity scores for eight patients before and after receiving acupuncture for eight weeks. At a = 0.025, complete parts (a) through (e) to determine if there is enough evidence to conclude that the lower back pain intensity scores decreased after the acupuncture. Patient 1 2 3 4 5 7 8 Intensity score (before) Intensity score (after) 60.5 69.1 56.2 67.7 62.7 77.5 57.8 78.7 49.7 63.5 22.7 25.9 65.1 19.4 65.2 48.4 .... (a) Write the claim and identify Ho and Ha Which is the correct claim? O A. The lower back pain intensity scores have not decreased. O B. The lower back pain intensity scores increased. OC. The lower back pain intensity scores have not increased. O D. The lower back pain intensity scores decreased. Identify Ho and H, below. Họ is the lower back pain intensity scores Ha is the lower back pain intensity scores (b) Determine the critical value. The critical value is. (Type an integer or decimal rounded to the nearest hundredth as…
41
A mixture of sucrose and water was heated on a hot plate, and the temperature (in °C) was recorded each minute for 20 minutes by three thermocouples. The results are shown in the following table. Time O 1 2 3 4 5 6 7 8 9 71 20 18 29 32 37 36 46 46 56 58 11 10 11231415 167 18 19 20 INR888 gege 64 72 79 84 82 87 98 103 107 103 102 T2 ON 18 22 22 25 37 46 45 44 54 64 69 65 80 74 87 93 90 100 100 103 103 T3 21 11 26 35 33 35 44 43 63 68 62 65 80 75 78 88 91 103 112 107 104 Compute the least-squares line for estimating the temperature as a function of time, using 73 as the value for temperature. (Round the ▼
Listed below are the measured radiation absorption rates (in W/kg) corresponding to 11 cell phones. Use the given data to construct a boxplot and identify the 5-number summary. 1.11 0.97 0.64 0.91 1.07 0.61 1.49 0.71 1.47 0.54 1.05 D The 5-number summary is..D. and (Use ascending order. Type integers or decimals. Do not round.) all in W/kg.
The specific laboratory are being used to perform chemical analysis. Samples of the same material are sent to the laboratories for analysis as part of the study to determine whether or not they give, on the average, the same result. The analytical results are as follows:- Lab results 58.7-61.9 62.0-65.2 65.3-68.5 68.6-71.8 71.9-75.1 f 4 5 13 9 4 What is the Modal values of the laboratory?

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