:Q3) For the following data80-843ClassFrequency 350-54 55-59 60-64 65-69 70-74 75-7971016129*:d) The mean deviation is5.15.25 O6.16.25none of all above O

Answered: :Q3) For the following data 50-54 55-59…

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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End O L ) 0 Alt PgUP 11 P PgDn Ins Del Packspace afte 2=(2>60) (2480) 5. A The ages of the thousands of residents of a retirement community are normally distributed with a mean of 70 and a standard deviation of 4 years. a. What proportion of this population is between 60 and 80? 2=60-70 -2.5 = 6.21 4 2-80-76 4 2= = 2.5=6.21 1.5 2= 68.5-45 - 5.87 니 71.5-45 4 b. If one sample of 45 residents is chosen at random, what is the probability that the sample mean age will be between 68.5 and 71.75? Stru ماما - 1-,99379 6. = 6.21% +6.21= -4 12,24% is between 60-80 years old 2.5 c. Between which two symmetric limits are 95% of all the possible values of the sample means? 4 FIST Standar 4. PCX a) x-
Grades 50-60 60-70 70-80 80-90 90-100 No. of Students 11 1 Calculate the standard deviation of the sample grouped data above. ) 13.52 ) 13.09 O 12.41 ) 12.70 2.
9. Determines the average, median and standard deviation of each of the distributions to a variable (age, girl reaction time and boys reaction time).What interpretations can you make of it? B.) For each of the three two-variable distributions, make a graphical representation using a technological tool and calculate the values that can be used to interpret them. C.) Interpret graphic representations and draw conclusions.
9
13) The following table presents the heights (in inches) of a sample of college basketball players. Height (in.) 68 - 71 72-75 76-79 80-83 84 - 87 Course Statistics Frequency Physics Sociology Literature Tennis a) Considering the data to be a population, approximate the standard deviation of the heights. Hint: Consider the rule of thumb, that is, range = 19 and s=4.75 148850 b) Approximate the mean of the heights. 14) A student received the following grades last semester. Find the student's semester grade point average. H 16 4532 70 1 60 Credits Grade/Points A / 4.0 F / 0.0 B / 3.0 B / 3.0 D / 1.0 Use the boxplot to identify the maximum value, minimum value, median, first quartile, third quartile, and interquartile range. 15) H 7 8 9 10 11 12 13 14 none min = 7 max=12 med=q Q1=8 Q3=11 IQR=Q3-21=11-8=3 16) In a poll of 522 university students, 219 said that they were opposed to legalizing marijuana. What is th probability that a surveyed student opposes legalization of marijuana?…

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:Q3) For the following data 50-54 55-59 60-64 65-69 70-74 75-79 80-84 7 10 16 12 9 3 * :d) The mean deviation is 5.1 5.25 6.1 6.25 O Class Frequency 3