(a). Construct a frequency distribution with the suitable class interval size of marks obtained by 50...
(a). Construct a frequency distribution with the suitable class interval size of marks obtained by 50 students of a class, which are given below:
23, 50, 38, 42, 63, 75, 12, 33, 26, 39, 35, 47, 43, 52, 56, 59, 64, 77, 15, 21, 51, 54, 72, 68, 36, 65, 52, 60, 27, 34, 47, 48, 55, 58, 59, 62, 51, 48, 50, 41, 57, 65, 54, 43, 56, 44, 30, 46, 67, 53
(b). Find the Minimum Value
(c). Find the Maximum Value
(d). Find the Data Rage
(e). Find the Class Width
Please explain each step
Homework Answers
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(a). Construct a frequency distribution with the suitable class
interval size of marks obtained by 50...
estimate the average age at which multiple sclerosis patients were diagnosed with the condition for the...
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Consider the below matrixA, which you can copy and paste directly into Matlab.
Problem #1: Consider the below matrix A, which you can copy and paste directly into Matlab. The matrix contains 3 columns. The first column consists of Test #1 marks, the second column is Test # 2 marks, and the third column is final exam marks for a large linear algebra course. Each row represents a particular student.A = [36 45 75 81 59 73 77 73 73 65 72 78 65 55 83 73 57 78 84 31 60 83...
For determining half-lives of radioactive isotopes, it is important to know what the background radiation is...
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Problem 1: Confidence Interval for Percentage of B’s. The data set “STAT 250 Final Exam Scores”...
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1. Forecast demand for Year 4. a. Explain what technique you utilized to forecast your demand....
1. Forecast demand for Year 4.
a. Explain what technique you utilized to forecast your
demand.
b. Explain why you chose this technique over others.
Year 3 Year 1 Year 2 Actual Actual Actual Forecast Forecast Forecast Demand Demand Demand Week 1 52 57 63 55 66 77 Week 2 49 58 68 69 75 65 Week 3 47 50 58 65 80 74 Week 4 60 53 58 55 78 67 57 Week 5 49 57 64 76 77...
Questions: A) We asked 60 Students about their High School Average. B) 63 72 60 59...
Questions: A) We asked 60 Students about their High School Average. B) 63 72 60 59 68 50 65 58 63 76 60 59 68 65 6960 72 55 53 58 67 54 52 63 65 53 68 53 58 67 69 54 55 66 68 55 61 57 71 58 55 61 80 58 62 65 55 78 60 59 82 78 55 53 57 56 58 60 69 57 C) Find: Frequency distribution Table . D) E) The...
#### Code in R ### mental.csv Pre.test Post.test Treat 72 74 Control 58 57 Control 66...
#### Code in R ###
mental.csv
Pre.test
Post.test
Treat
72
74
Control
58
57
Control
66
74
Control
51
56
Control
30
28
Control
48
40
Control
58
61
Control
51
50
Control
38
40
Control
56
56
Control
68
72
Control
36
38
Control
53
53
Control
65
72
Control
32
24
Control
64
62
Control
58
55
025-050R
58
57
025-050R
56
57
025-050R
73
59
025-050R
49
42
025-050R
53
49
025-050R
28
29
025-050R
31
43...
The Thompson Tire Company did research in Alabama regarding the miles their commercial truck tires would...
The Thompson Tire Company did research in Alabama regarding the miles their commercial truck tires would travel before they no longer met the Federal Highway Department tread depth requirements. The results of their study are in the file “Thompson Data Spring 2019” and show the mileage in 1,000 miles. Calculate the mean, median and mode of the data. Develop a box plot. Are there any outliers? Do the amounts follow a symmetric distribution or are they skewed? Justify your answer....
For determining half-lives of radioactive isotopes, it is important to know what the background radiation is in a given detector over a specific period. The following data were taken in a y -ray detection experiment over 98 ten-second intervals: 58 50 57 58 64 63 54 64 59 41 43 56 60 50 46 59 54 60 59 60 67 52 65 63 55 61 68 58 63 36 42 54 58 54 40 60 64 56 61 51 48...
NUMBER OF PEOPLE 10.2 10.0 10.1 8.5 10.2 8.2 8 Source: United States Census. 11. In the Sanitary District of Chicago, operating engineers are hired on of a competitive civil-service examination. In 1966, there were 223 appl for 15 jobs. The exam was held on March 12; the test scores are s arranged in increasing order. The height of each bar in the histogram next page) shows the number of people with the correspondin examiners were charged with rigging the...
1. Forecast demand for Year 4.
a. Explain what technique you utilized to forecast your
demand.
b. Explain why you chose this technique over others.
Year 3 Year 1 Year 2 Actual Actual Actual Forecast Forecast Forecast Demand Demand Demand Week 1 52 57 63 55 66 77 Week 2 49 58 68 69 75 65 Week 3 47 50 58 65 80 74 Week 4 60 53 58 55 78 67 57 Week 5 49 57 64 76 77...
Questions: A) We asked 60 Students about their High School Average. B) 63 72 60 59 68 50 65 58 63 76 60 59 68 65 6960 72 55 53 58 67 54 52 63 65 53 68 53 58 67 69 54 55 66 68 55 61 57 71 58 55 61 80 58 62 65 55 78 60 59 82 78 55 53 57 56 58 60 69 57 C) Find: Frequency distribution Table . D) E) The...
#### Code in R ###
mental.csv
Pre.test
Post.test
Treat
72
74
Control
58
57
Control
66
74
Control
51
56
Control
30
28
Control
48
40
Control
58
61
Control
51
50
Control
38
40
Control
56
56
Control
68
72
Control
36
38
Control
53
53
Control
65
72
Control
32
24
Control
64
62
Control
58
55
025-050R
58
57
025-050R
56
57
025-050R
73
59
025-050R
49
42
025-050R
53
49
025-050R
28
29
025-050R
31
43...
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