The following graph, showing the distribution of the heights of 8585 men, is anapproximation to a nearly normal distribution. The mean is approximately 68 inchesand the standard deviation is approximately 3 inches.15001200900-60030056 58 60 62 64 66 68 70 72 74 76 78 801) How many of these men are between 5'5" and 5'11" tall ? (that is one standarddeviation of the mean)2) How many men are between 5'2" and 6'2" tall ? (2 st. dev.)3) How many men are less than 5'2" tall ?4) What percent of the men are taller than 71 inches?

The question is about normal dist. Given : Total no. of men = 8585 Popl. mean height of men ( μ ) =…

Answered: The following graph, showing 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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The number of caps sold by a local shop in a day is recorded below. Draw a frequency distribution table and a histogram displaying this data. Use an interval size of 20 and make sure to start your first interval at zero
37. Find the standard deviation and coefficient of variation from the following data: No. of Students Marks No. of Students Marks Up to 10 12 Up to 50 157 20 30 60 202 99 30 65 70 222 40 107 ed blo 80 230
Q1. The distribution of a sample of 100 women of reproductive age group in a given community is given below: Age group (years) Frequency 15 -19 41 20- 29 32 30 -39 17 40 - 49 10 Total 100 Calculate the mean and standard deviation of the age of this group of women in the community
Find the mean,' mode, standard deviation and co-effi- cient of skewness for the following : Years under 10 20 30 40 50 60 : No. of persons 109 15 32 51 78 97 :
Please answer B, C, & D.
A company decides to investigate the amount of sick leave taken by its employees. A sample of seven employees yields the following numbers of days of sick leave taken in the past year. 1 1 3 0 0 63 Use this information to answer parts a through c. a. Find and interpret the range. The range is 6 days. Choose the correct interpretation of the range below. A. The largest difference between the mean and any other value is equal to the range. B. The number of days separating the fewest and most sick days taken is equal to the range. C. The range represents the average distance of an observation from the mean. D. The range gives the most useful value for measuring the spread of the data.
The grades for 30 students on the most recent exam are given in the data table below: Round your answer to 2 decimal places as needed 70 70 80 80 70 60 90 80 80 80 60 70 70 70 70 90 70 70 80 90 60 90 70 60 90 70 06 90 90 80 What is the mean score for the exam? What is the median score for the exam? What is the standard deviation for the exam?
A particular hospital's birthweight distribution is discovered to have a mean of 2700 g and a standard deviation of 200 g. Which of the following value ranges can we expect 95 percent of all birthweights at that hospital to fall within? O a. (2400, 3000) O b. (2500, 2900) O c. (2605, 2795) d. (2600, 2800)
A random sample of 30 male college students was selected, and their heights were measured. The heights (in inches) are given below. 69 72 73 72 66 69 70 74 72 66 67 72 73 68 72 72 68 68 70 69 71 66 74 74 69 66 66 74 70 69 (a) Complete the frequency distribution for the data. Make sure to enter your answers for the relative frequency as decimals, rounded to the nearest tenth. Height Frequency Relative Frequency 66 67 68 69 70 71 72 73 74 NIS
Calculate the median of the following distribution. Annual Sales Frequency Annual Sales Frequency 000) Less than 10 '000) Less than 40 4 55 20 20 50 62 30 35 60 67 Is it possible to calculate the arithmetic mean ? If possible, calculate it. Hence obtain an estimate of mode.

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