Refer to the following distribution of commissions.13Monthly Commissions$600 up to $800Class Frequencies3800 up to 1,0001,000 up to 1, 200711Dints1,200 up to 1,4001,400 up to 1,60012401,600 up to 1,8001,800 up to 2,0002492,000 up to 2, 2004For the preceding distribution, what is the midpoint of the class with the greatest frequency?Multiple Choice1,4001,5001,700The midpoint cannot be determined.Graw< Prey13 of 25Next

Answered: Image /qna-images/answer/2ad60221-9597-4879-8a77-aa6ca18fa602.jpg

Answered: Refer to the following distribution of…

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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Suppose that X, Y, and Z are jointly distributed random variables, that is, they are defined on the same sample space. Suppose that we also have the following. E(X)=-1 E(Y) = 4 E (Z)=0 Var(X)=20 Var(Y) = 27 Var (Z) = 38 Compute the values of the expressions below. E (5Z-2) = 0 2Z+X -5 Var(2X-3) = 0 E = E (32²) = 0 Explanation Check X O hp Ⓒ2022 McGraw Hill LLC. All Rights Reserved. Term
1. Construct a frequency distribution using the ages of 50 richest people in the world in 2009. Using 8 classes. Also find class boundaries, mid points, relative frequency and cumulative frequency. 90 89 87 86 86 85 83 83 82 81 80 78 78 77 76 73 73 73 72 69 69 68 67 66 66 65 65 64 63 61 61 60 59 58 57 56 54 54 53 53 51 51 49 47 46 44 43 42 36 35 2. Following data represents the weights (in pounds) of 40 female students at a university. Construct a grouped frequency distribution for the data using 7 classes. Also find class boundaries, mid points, relative frequency and cumulative frequency of each class. 100 75 70 60 70 95 85 80 35 45 45 55 30 110 75 100 40 60 65 40 40 50 60 65 55 45 90 85 75 85 75 70 110 100 80 70 55 30 70 100 3. Construct frequency distribution, with 6 classes. Also find class boundaries, mid points, relative frequency and cumulative frequency of each class. 65 91 85 76 85 87 79 93 82 75 100 70 88 83 59 87 69 89 54 74 89 80 94 67 77 92 82 70 94 84 96 98 46 70 90 96…
The data shown below are monthly rental costs of 15 randomly selected two-bedroom apartments in a certain city: J A. Find the mean of the data. Mean = $ 1040, 971, 774, 928, 978, 908, 867, 978, 933, 901, 1026, 1069, 955, 876, 1054 B. Interpret your answer. O The average number of apartments rented in this city. O 50% of two-bedroom apartments in this city cost less than the mean, and 50% cost more. O Average monthly rental cost of an apartment in this city. O Average monthly rental cost of a two-bedroom apartment in this city. C. Find the standard deviation of this data. Standard devation = $ D. Interpret your answer. $ 4 JAE JO JA V I % 5 t bo b 6 וום y ♣ Round to 1 decimal place. h & 7 n u j * 8 Round to 2 decimal places. O m 9 k O < O | alt р A [ ctri ? |
Below is the frequency distribution of personal Computers on by students at a community college. Find the percent represented by sony computers brand Frequency dell 3,200 sony 5,200 hp 4,400 toshiba 6,600 asus. 3,600
Read the following prompt and complete 3.a and 3.b
The following frequency distribution summaries the counts of purchases by day of the week for a major domestic retailer.( Day Mon Tue Wed Thu Fri Sat Sun Frequency 2,504 2,880 3,402 3,566 4,576 5,550 5,022 a. Construct the relative frequency distribution. What proportion of the purchases occurred on Wednesday? b. Construct a chart using relative frequencies. Comment on the findings.
Michael is taking a self-paced math class. His scores for each of the 20 quizzes during the academicyear are shown below.Quiz scores: 80 71 88 85 7789 73 87 87 8685 75 72 84 8973 81 68 86 75a. Construct a frequency distribution for the grouped data using the following classes withwidth 6:66 to 71 72 to 77 78 to 83 84 to 89b. Calculate the relative frequency for each class.

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