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Date: Course College of Westchester 10. The following are the scores of 30 college students on...
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...
The following scores represent the final examination grades for an elementary statistics course:
The following scores represent the final examination grades for an elementary statistics course: 23 60 79 32 57 74 52 70 82 36 80 77 81 95 41 65 92 85 55 76 52 10 64 75 78 25 80 98 81 67 41 71 83 54 64 72 88 62 74 43 60 78 89 76 84 48 84 90 15 79 34 67 17 82 69 74 63 80 85 61 Calculate: Stem and leaf Relative frequency histogram Cumulative frequency Sample Mean Sample Median Mode Variance Standard deviation
02 The following scores represent the final examination grades for an elementary statistics course: 23 60...
02 The following scores represent the final examination grades for an elementary statistics course: 23 60 79 32 57 74 52 70 82 36 80 77 81 95 41 65 92 85 55 76 52 10 64 75 78 25 80 98 81 67 41 71 83 54 64 72 88 62 74 43 60 78 89 76 84 48 84 90 15 79 34 67 17 82 69 74 63 80 85 61 Calculate: . Stem and leaf ....
Find the indicated measure. The test scores of 40 students are listed below. Find P85. 30...
Find the indicated measure. The test scores of 40 students are listed below. Find P85. 30 35 43 44 47 48 54 55 56 57 59 62 63 65 66 68 69 69 71 72 72 73 74 76 77 77 78 79 80 81 81 82 83 85 89 92 93 94 97 98 1) 85 2) 87 3) 89 4) 34
Use the accompanying data set on the pulse rates (in beats per minute) of males to...
Use the accompanying data set on the pulse rates (in beats per minute) of males to complete parts (a) and (b) below. LOADING... Click the icon to view the pulse rates of males. a. Find the mean and standard deviation, and verify that the pulse rates have a distribution that is roughly normal. The mean of the pulse rates is 71.871.8 beats per minute. (Round to one decimal place as needed.) The standard deviation of the pulse rates is 12.212.2...
Find the indicated measure. The test scores of 40 students are listed below. Find P85.
Find the indicated measure. The test scores of 40 students are listed below. Find P85. 30 35 43 44 47 48 54 55 56 57 59 62 63 65 66 68 69 69 71 72 72 73 74 76 77 77 78 79 80 81 81 82 83 85 89 92 93 94 97 98 1) 85 2) 87 3) 89 4) 34
2.) Below is a data set for a set of scores on a final exam: 63,...
2.) Below is a data set for a set of scores on a final exam: 63, 88, 79, 92, 86, 87, 83, 78, 41, 67, 68, 76, 46, 81, 92,77, 84, 76, 70, 66. 77, 75, 98, 81, 82,81, 87, 78, 80, 60, 94, 79, 52, 82, 77, 61, 77, 70, 74, 61 Complete the following questions: (4 points total) (1 point each) a.) Create a frequency distribution by hand b.) Create a histogram by hand c.) Create a stem-and-leaf...
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...
Question 1 15 pts Test scores for a class of 40 students are listed below: 25...
Question 1 15 pts Test scores for a class of 40 students are listed below: 25 35 43 44 47 48 54 55 56 57 59 62 63 65 66 68 69 69 71 72 72 73 74 76 77 77 78 79 80 81 81 82 83 85 89 92 93 94 97 98 a) The mean of the sample data is b) The median of the sample data is c) The standard deviation of the sample data is...
4. Mr. V has finished grading and recording all of the scores for a difficult exam....
4. Mr. V has finished grading and recording all of the scores for a difficult exam. Here are the scores: 53, 94, 90, 77, 83, 98, 75, 82, 94, 79, 71, 76, 90, 87, 71, 72, 71, 86, 96, 94, 82, 70, 81, 88, 84, 91, 90, 90, 90, 65, 100, 89. He now needs to arrange the scores to determine whether the exam should be curved. In order to do this, he constructs a stem-and-leaf plot.
02 The following scores represent the final examination grades for an elementary statistics course: 23 60 79 32 57 74 52 70 82 36 80 77 81 95 41 65 92 85 55 76 52 10 64 75 78 25 80 98 81 67 41 71 83 54 64 72 88 62 74 43 60 78 89 76 84 48 84 90 15 79 34 67 17 82 69 74 63 80 85 61 Calculate: . Stem and leaf ....
Find the indicated measure. The test scores of 40 students are listed below. Find P85. 30 35 43 44 47 48 54 55 56 57 59 62 63 65 66 68 69 69 71 72 72 73 74 76 77 77 78 79 80 81 81 82 83 85 89 92 93 94 97 98 1) 85 2) 87 3) 89 4) 34
2.) Below is a data set for a set of scores on a final exam: 63, 88, 79, 92, 86, 87, 83, 78, 41, 67, 68, 76, 46, 81, 92,77, 84, 76, 70, 66. 77, 75, 98, 81, 82,81, 87, 78, 80, 60, 94, 79, 52, 82, 77, 61, 77, 70, 74, 61 Complete the following questions: (4 points total) (1 point each) a.) Create a frequency distribution by hand b.) Create a histogram by hand c.) Create a stem-and-leaf...
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...
Question 1 15 pts Test scores for a class of 40 students are listed below: 25 35 43 44 47 48 54 55 56 57 59 62 63 65 66 68 69 69 71 72 72 73 74 76 77 77 78 79 80 81 81 82 83 85 89 92 93 94 97 98 a) The mean of the sample data is b) The median of the sample data is c) The standard deviation of the sample data is...
4. Mr. V has finished grading and recording all of the scores for a difficult exam. Here are the scores: 53, 94, 90, 77, 83, 98, 75, 82, 94, 79, 71, 76, 90, 87, 71, 72, 71, 86, 96, 94, 82, 70, 81, 88, 84, 91, 90, 90, 90, 65, 100, 89. He now needs to arrange the scores to determine whether the exam should be curved. In order to do this, he constructs a stem-and-leaf plot.
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