Method #3: Systematic Random Sample Pick a number at random from 1-10. Then sample every 10th...
The ages at death for a sample of 40 residents who died in certain city are listed below. 25 35 43 65 47 77 54 94 81 57 72 62 83 44 66 92 78 69 71 82 59 73 63 76 89 48 69 79 56 98 80 82 74 85 77 68 93 55 97 72 The inter-quartile range, IQR, for the given data is 23 24 23.5 O 24.5
Please show how you did this in excel. :13-19 Every home football game for the past eight years at Eastern State University has been sold out. The revenues from ticket sales are significant, but the sale of food, beverages, and souvenirs has contrib- uted greatly to the overall profitability of the football program. One particular souvenir is the football pro- gram for each game. The number of programs sold at each game is described by the following probabil- ity distribution:...
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 ExceptionLab class provided: – Creates an array of 100 elements and fills it with random numbers from 1 to 100. – It asks the user for an index value between 0 and 99. – Prints the element at that position. – If a number > 99 is entered by the user, the class will abort with an ArrayIndexOutOfBoundsException • Modify the ExceptionLab: – Add a try-catch clause which intercepts the ArrayIndexOutOfBounds and prints the message: Index value cannot be...
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
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
Question 9-15 are based on the random sample below which is obtained to test the following hypothesis about the population mean. Test the hypothesis that the mean is less than 80. 80 100 81 93 80 57 98 90 71 56 58 78 59 55 55 77 72 78 56 94 98 59 93 86 89 62 60 66 59 71 96 97 94 69 64 77 87 77 64 90 90 95 98 99 56 69 72 81 95...
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...
Please show all work step by step. thank you! Please read the direction in every problem. Show all your work here. (Round probabilities to 4 decimals.) 1. A student earned grades of 84, 78, 84, and 72 on her four regular tests. She earned a grade of 78 on the final exam and 86 on her class projects. Her combined homework grade was 87. The four regular tests count for 40% of the course grade, the final exam counts for...
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...