13) The following data represent annual salaries, in thousands of dollars, for 35 employees of a...
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 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 ....
Question 1 (30 marks) The scores of 60 students in a test are: 58 49 48 62 50 76 61 82 60 72 70 35 61 55 82 66 50 47 36 58 84 55 68 32 62 58 48 75 80 49 55 67 71 46 40 57 69 70 52 60 48 53 42 68 54 60 63 70 72 68 42 55 36 70 36 82 66 46 59 50 (i) Find the mean score of the...
2. (1.18) The following scores represent the final examination grades for an elementary statistics course: 33 60 79 32 57 74 52 70 82 36 80 77 81 95 41 65 92 85 55 76 52 30 64 75 78 35 80 98 81 67 a) Construct a Stem-and-Leaf Plot for the examination grades. b) Construct a Relative Frequency Histogram with 6 Class Intervals (that is: 6 rectangles) c) Compute the Sample Median Median. ) What is the Sample Mode?
The following data represent glucose blood levels (mg/100 ml) after a 12-hour fast for a random sample of 70 women (Reference American Journal of Clinical Nutrition, Vol. 19, pp. 345-351) 45 668) 71 75 64 59 59 75 82 B0 81 85 77 82 90 87 72 70 69 83 71 87 69 81 76 96 83 67 94 101 94 89 94 73 99 93 85 83 90 78 80 85 83 84 74 81 70 65 89 70...
Hot 101 K-2 = 5 = 7 = 8 F9 10 11 The following data are the grades of 17 students on an algebra test. 91, 78, 60, 77, 76, 87, 69, 89, 59, 68, 57, 58, 83, 82, 93, 81, 60 Using the tool provided, construct a box-and-whisker plot for the data. Х 5 ? 55 60 65 70 75 80 85 90 95 Score on algebra test
Please answer all questions! thanks :) VI/ Test scores from a math midterm are as follows: 79, 90, 85, 89, 70, 59, 75, 64, 83, 78, 75, 77, 78, 77, 67, 85, 74, 52, 87, 72, 69, 76, 61, 77, 93, 86, 79, 90, 74, 67, 51, 75, 77, 82, 78, 60, 86, 72, 91, 95, 82 Complete the frequency distribution table to include all data a. Class Tallies Class Midpoint Relative Cumulative Frequency relative freq boundaries Frequency 51 57...
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...
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...
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,...