A.
Make a stem-and-leaf display for the following data. Comment about the shape of the distribution.
58 52 68 86 72 66 97 89 84 91 91 92
66 68 87 86 73 61 70 75 72 73 85 84
90 57 77 76 84 93 58 47
B.
Construct a frequency distribution using 6 classes with the first lower class limit of 58, draw a Histogram, and what is the shape of distribution?
58, 60, 62, 63, 70, 71, 71, 76, 77, 80, 84, 88, 99
Lower limit |
Upper limit |
Lower boundary |
Upper boundary |
Frequency |
C.
Find the 5-number summary for the following data set, find the IQR, and draw a boxplot.
15, 24, 34, 34, 45, 46, 54, 67, 68, 78, 83, 92
A. Make a stem-and-leaf display for the following data. Comment about the shape of the 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...
2.58 Make a stem-and-leaf display for these data and comment on the shape of the distribution: 8, 9, 13, 13, 16,21, 22, 24, 25, 25, 29, 33, 33,45,48 55, 58,61,63, 64, 66, 66,69, 71,83, 92,93, and 95. 2.57 Make a stem-and-leaf display for these data and comment on the shape of the distribution: 11, 12, 21,23, 27,27,29, 30, 30, 33, 34,35, 39,43, 45, 47,53, 53, 67, 75, 84, and 96. 112 2 13779 3003459 4357 5 33 67 715 84...
Construct a stem-and-leaf display for the following data. 112 73 126 82 92 115 95 84 68 100 72 92 128 104 108 76 141 119 98 85 69 76 118 132
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...
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...
The given data is the grades for people in this class. The goal here is to determine the factors that effect student's Grade in the class. 4) Find the mean and median for the men's and the women's Quizzes. Gender Men Women 5) Test the claim that the majority of students at this class are women. F M F F M F F F F M M F F F M F F F F M M F F M...
A math test was given to five randomly selected schools. The result of the exams is given in the following table. School 1: 72 83 92 97 82 75 68 93 School 2: 75 81 95 92 88 70 70 90 97 84 76 School 3: 82 73 99 90 66 77 School 4: 71 85 91 95 89 73 70 96 92 83 71 58 63 89 School 5: 82 85 79 90 86 77 71 86 90 73...
The heights (to the nearest inch) of 30 males are shown below. Construct a frequency distribution and a frequency histogram of the data using 5 classes. Describe the shape of the histogram as symmetric, uniform, negatively skewed, class. Use the smallest whcle number class width possible. positively skewed, or none of these Construct a frequency distibution of the data using 5 classes. Use the minimum data entry as the lower limit of the first Class Frequency Midpoint 67766268745 68 65...
Please answer completely! 6 Q032 Stem and Leaf Pages 63-64 a. Create a stem-and-leaf plot for the following 34 numbers. (6 points) 9 75 17 42 45 86 70 41 41 15 66 33 10 45 93 20 42 77 52 75 23 26 55 44 44 44 73 17 39 26 86 81 65 42 b. Draw a Box-and-whisker plot for the same data set. Show the 5-Number summary and IQR. (6 points)
Please compute your z -don't use a package State your conclusion in plain English - not just rejection 1 Students in the online class are suspicious that their schools 60 point loss may have caused their teacher to take out his frustration on the students by giving them a harder than usual exam. They manage to hack into his computer and get the following data: Scores for test Nov 2011 71 74 64 77 58 72 73 79 50 78...