The table shows the number ofvisiting a stone on vanious days,a. for how maay days is the dauta?wstomersnumber ofcustomersfroquaney14250- 299ho0 - 34934b. Eshimate the mean,68350 - S99Y00 - 44994c. Estumate Hhe standar d devcatiom ca).37450499S00-549

Given data : Number of customers frequency 250-299 14 300-349 34 350-399 68 400-449 34…

Answered: The table shows the number of wstomers…

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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6. 7. With U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15), A = (2, 5, 7, 11, 13), B = $1, 4, 9} and C = {1, 2, 3, 4, 5}. Answer the questions (shown in the image).
Consider the Venn diagram below representing a the results of a survey on the hobbies of a group of students (R-reading, M-watching TV and S-playing sports). How many students like reading or watching TV? U 45 10 40 R 10 30 O a. 130 O b. 85 O c. 105 O d. 90
Answer numbers 4 to 6
b. What class interval would you suggest?
The data was collected on the time spent for preparation of exams by a class of statistics students before one week of examination data. The maximum time of study time was 47 hours and minimum time was 1 hour. If we what to construct a frequency table for the data with six classes, find the width of the class interval (round to nearest integer). a) c) d) 8 6570o
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In the accompanying stem-and-leaf diagram, the values in the stem-and-leaf portions represent 10s and 1s digits, respectively. Stem Leaf 1 3 5 6 8 8 9 2 0 1 2 2 3 5 6 6 8 8 8 9 3 0 1 2 2 8 4 2 2 What would be the frequency of the class 35 up to 45, that is {x; 35 ≤ x < 45}? a. 1 b. 3 c. 0 d. 2
V SE 30 Number of Students 2.5 A 15 10 1 S 0 5 10 1 1 A 15 3 20 25 24 30 Grade 28 SUBMIT QUESTION 35 LD 40 25 45 SAVE PROGRESS 50 55 SUBME
5) The mean of three test scores is 82. What must the score on the fourth test be to raise the mean of the four tests to 84? Explain/show how you arrived at your answer. sei looa ozori To owi paiwsT orT boz nword Si bas elooR doald Of anisinos Towsb ssud A 3OT viilidsderg adt vre
Plz help asap 27
Consider the following set of numbers, each of which represents the number of hours of "cramming" that 9 students put in the two days before an exam. 4, 6, 6, 8, 8, 8, 10, 10, 12. What is the mean number of hours that these 9 students crammed for the exam? 6. 7. 8. 6. O 10
Below are the times (in days) it takes for a sample of 22 customers from Jack's computer store to pay their invoices. 19, 15, 43, 39, 35, 31, 27, 22, 18, 14, 42, 38, 13, 13, 41, 41, 37, 37, 37, 33, 33, 33 Send data to calculator Draw the frequency polygon for these data using an initial class boundary of 12.5 and a class width of 7. Note that you can add or remove classes from the figure. Label each class with its midpoint. Frequency 7. Check 26°F Clear Q Search 0:00 00:0 X Save For Later C Submit Assignme

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The table shows the number of wstomers Oa stone on vanious days, fraquaney customers visiting a. for haw may days is the duta? 14 250- 299 ho0 -349 34 b. Eshimate 4he mean, 68 350-599 54 Y00 - 449 c. Estinale Hhe standar d devahin (a), 450 499 37 S00-549