3. The following Questions come from the following Graph:120010008006004002000.10454060Total82307018-3413841592264555268495133155-64485247835-44 45-5465+Sample Percent approve Percent disapprove(g) Estimate P(Disapprove | surveyed was 44 or YOUNGER)• (h) Estimate P(were 45 or OLDER | they Approved on survey)4456Male5673763Female100%0%

Answered: 3. The following Questions come from…

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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出功校的帥助 Given the following scores of 60 students in Mathematics prelim examination 17 31 26 34 32 44 33 39 45 21 24 38 42 39 32 43 18 32 49 33 33 33 22 29 33 43 39 57 33 33 48 29 29 37 29 19 23 32 Do the following: 1. Frequency Distribution Table 2. Line graph 3. Bar graph 4. Pie graph
The outlier(s) in the data set 10, 17, 20, 21, 27, 22, 25, 24, 40 is (are) a. 10 and 17 b. 40 O c. 27 and 40 O d. 10 O e. 10 and 40
b) Marks obtained by 89 students in sociology are given below: 2+2+2=6 Marks No. of students 0-6 7-13 12 14-20 15 21-27 20 28-34 16 35-41 12 42-48 6. 49-55 4 56-62 63-69 70-76 Prepare a histogram, a frequency polygon and ogive for this distribution and explain the graphs.
The outlier(s) in the data set 10, 17, 20, 21, 27, 22, 25, 24, 40 is (are) O a. 27 and 40 O b. 10 and 40 O c. 10 and 17 O d. 10 Ое. 40
12. MS. Pettipiece wants to see if there is correlation between the students overall Data mark (in percent) in his class and the Grade 11 math mark (in percent). The following data was collected and graphed/ Scatter Plot Collection 1 Collection 1 100 Grade11 Data 90- 67 71 60 79 80- 80 93 :- 70- 69 72 74 66 60- 9. 86 79 50 7 86 89 40 78 67 90 91 55 60 65 70 75 80 85 90 95 Grade11 10 63 70 201 10- 11 72 63 12 76 0- 13 70 75 -10- 14 84 86 -20 15 55 43 55 60 65 70 75 80 85 90 95 Grade11 - Data = 0.866Grade11 + 11: r= 0.50 Discuss the correlation between the Data mark and the Grade 11 mark. Make sure to reference the coefficients of correlation and/or determination in your discussion. Residual Data
4
Exhibit 1 gives a frequency distribution table of age of the individuals who are smokers. a) Using Exhibit 1 above, describe how you would find the age group which contains the median smokers. Specify the age group.
The following graph expresses the number of sick animals found survey of 350 rural properties: a) Classify the variable and How many properties aggregate at most two sick animals? b) What is the percentage of properties that, only a sick animal? c) What is the percentage of properties that dissipate at least one animal sick? d) What was the fashion and also Determine a median.
The data set shows the ages of all participants in two yoga classes. Complete parts (a) through (d) below. 8:00 P.M. Class 3:00 P.M. Class 77 19 24 18 18 18 68 75 60 25 59 22 33 20 19 69 73 64 53 35 68 71 23 43 18 19 24 76 68 75 55 73 59 31 44 25 20 31 18 77 38 74 (a) Make a back to back stem-and-leaf plot to display the data. 8:00 P.M. Class 3:00 P.M. Class 1 2 3 te 5 6 esc Key: 10 10 7 cce 1-- 4t
3. The following Questions come from the following Graph: 1200 1000 800- 600 400 200 . . 0 1045 40 60 Total 82 30 70 18-34 138 41 59 226 45 55 268 49 51 331 55-64 48 52 478 35-44 45-54 65+ Sample Percent approve Percent disapprove 44 56 Male 567 37 (d) Can you determine Number of Females surveyed who were age 65+? (e) Assuming this is a survey of US citizens does the survey appear to be representative of the General Population? (f) Estimate P(Approved | surveyed was 45 or OLDER) 63 Female 100% 0%
17.A scientist collects these measurements: 0.90,0.85, 0.64,0.94, 0.99, −0.02,0.56,,0.15, 0.73, 0.72, 0.89, 1.72, 0.52 Which statement is correct? A.The data value −0.02 is an outlier because it is the only number less than 0.00. b.The data value 1.72 is an outlier because it is greater than 1.5×IQR above the third quartile. C.The data value 1.72 is an outlier because it is the only number greater than 1.00 d.The data value −0.02is an outlier because it is less than 1.5×IQR below the first quartile.
Find the mean of the data summarized in the given frequency distribution. 12) The highway speeds of 100 cars are summarized in the frequency distribution below. Find the mean speed. Speed (mph) Cars 30-39 4 40-49 19 50-59 50 60-69 15 70-79 12 A) 61.3 mph B) 58.5 mph C) 55.7 mph D) 54.5 mph I said, D, and it is wrong.

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