On a math Vest, the scores of 24 students were as shown below. Construct a frequency...
A recent statistics exam yielded the following 25 scores. Construct a grouped frequency distribution with the class limits shown below. 68 86 72 60 70 60 81 63 69 98 89 81 51 71 81 76 82 74 92 53 80 78 41 82 97 41-50 51-60 61-70 71-80 81-90 91-100 41-50 51-60 61-70 Blackboard Class Limits Frequency 41-50 51-60 61-70 71-80 81-90 91-100 4 Class Limits Frequency 41-50 51-60 61-70 71-80 81-90 91-100 Class Limits Frequency 41-50 51-60 61-70...
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...
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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...
The test scores of 30 students are listed below. Find the percentile that corresponds to a score of 74. 31 41 45 48 52 55 56 56 63 65 67 67 69 70 70 74 75 78 79 79 80 81 83 85 85 87 90 92 95 99
I need answer on number 7 please 5. Students in a statistics class took their first test. The following table lists the scores they earned. 67 67 76 47 85 70 87 76 67 72 84 98 84 64 65 82 81 81 88 74 87 83 Complete the following frequency distribution table using 6 classes: 40-49, 50-59, 60-69, 70-79, 80-89, and 90-99. Scores Tally Frequency Relative Frequency Cumulative Relative Frequency 40 - 49 50 - 59 60 - 69...
Question 6 recent statistics exam yielded the following 25 scores. Construct a grouped frequency distribution with the class limits shown below 70 82 72 56 62 57 88 70 68 94 90 89 45 77 89 80 87 78 97 58 76 76 44 86 93 Class Limits Tally Frequency 41-50 51-60 61-70 71-80 81-90 91-100 Class Limits Frequency 41-50 51-60 61-70 71-80 81-90 91-100 Class Limats Freqaency 41-50 51-60 61-70 71-80 81-90 1.100 Class Limits Frequency 41-50 51-60 61-70...
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 ....
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 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...