Please show all your work, write equations clearly, plug in values properly, and comment on all steps.
The sample can be re written as
68,68,69,69,71,72,73,74,75,76,77,78,79
The percentile rank is calculated as
Where K= Position of the variable in ascending order, and here the position of 75 is 8
n= no of sample=13
Please show all your work, write equations clearly, plug in values properly, and comment on all...
Please show all your work, write equations clearly, plug in values properly, and comment on all steps. The following data give the speeds of 13 cars (in mph) measured by radar, travelling on 1-84. 73 75 69 68 78 69 74 76 72 79 68 77 71 Calculate the value of the 35th percentile. Enter the exact answer. mph. exact number, no tolerance
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...
PRINTER VERSION 8th ed Chapter 03, Section 3.5, Problem 092b The following data give the numbers of computer keyboards assembled at the Twentieth Century Electronics Company for a sample of 25 days. 66 67 68 71 72 72 70 71 7777 78 78 81 79 75 76 76 77 69 69 73 73 73 74 75 Determine the (approximate) value of the 53rd percentile. Round your answer to the nearest integer. 1878 81 79 75 76 76 77 606 The...
Current Attempt in Progress The following data give the speeds of 13 cars, measured by radar, traveling on 1-84. 73 75 76 72 70 79 68 65 78 70 74 76 71 Find the values of the three quartiles and the interquartile range. Qı = i Q2 = i 03 = 1 IQR = i Hint
Use the Grouped Distribution method for the following exercise (see Self-Test 2-4 for detailed instructions), rounding each answer to the nearest whole number. Using the frequency distribution below (scores on a statistics exam taken by 80 students), determine:ion 1 of the preliminary test (scores on a statistics exam taken by 80 students), determine: 68 84 75 82 68 90 62 88 76 93 73 79 88 73 60 93 71 59 85 75 61 65 75 87 74 62 95...
Use the Grouped Distribution method for the following exercise (see Self-Test 2-4 for detailed instructions), rounding each answer to the nearest whole number. Using the frequency distribution below (scores on a statistics exam taken by 80 students), determine:ion 1 of the preliminary test (scores on a statistics exam taken by 80 students), determine: 68 84 75 82 68 90 62 88 76 93 73 79 88 73 60 93 71 59 85 75 61 65 75 87 74 62 95...
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...
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...
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 your work, write equations clearly, plug in values properly, and comment on all steps. The following table gives the frequency distribution of the number of hours spent per week on activities that involve sports and/or exercise by a sample of 400A The numbers are consistent with the summary results from the Bureau of Labor Statistics' American Time Use Survey (www.bls.gov). mericans. Hours per Week Number of People 0 to less than 3.5 36 3.5 to less than...