1. Given the following scores in a Psychology test , make a frequency table.Raw scores47564228565582785055415657386252666572374742524754485247443953484254626848564260Class limitsClassfRF%CFboundaries

Solution-: We prepare the table for given raw data: Class Limits Class Boundaries f x R.F.%…

Answered: 1. Given the following scores in a…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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The following are the final examination test scores of 40 students enrolled in Mathematics in the Modern World. a. Determine the range. b. Create a stem-and-leaf plot table for the aforementioned data set. c. What do these descriptive statistic shows about the exam performance of the students?
2. Here are the scores on the first exam in an introductory statistics course for 30 students in one statistics course: 57 59 61 65 68 70 70 73 73 75 75 75 78 80 80 80 82 82 83 85 85 87 90 90 91 92 92 94 94 98 Use these data to make a stemplot. Use the stemplot to describe the distribution of the first-exam scores for this course.
Here is a set of sample data. 13 78 61 53 30 96 37 83 56 35 90 31 39 29 18 45 91 59 87 100 68 17 10 Base on the data above, identify the 5 number summary , , , , ,
The following scores represent the final examination grade for an elementary statistics 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 54 72 88 62 74 43 60 78 89 76 76 48 84 90 15 79 34 67 17 82 82 74 63 80 85 61 Compute for the following: Use at most 2 decimal places for your final answer/s class width: mean of grouped data: median of grouped data: mode of grouped data: range of of grouped data: sample standard deviation of grouped data: coefficient of variation of grouped data: Compute for the following: Use at most 2 decimal places for your final answer/s class width: | mean of grouped data: median of grouped data: mode of grouped data: range of of grouped data: sample standard deviation of grouped data: coefficient of variation of grouped data: quartile deviation of grouped data: mean deviation of grouped data: kurtosis of of grouped data:
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Students were asked what grades they usually get in school. For twelfth-grade students who responded to this question and the question about how often they wear seatbelts when driving, a summary of frequency counts for combinations of responses to the two questions is as follows. WearsSeatbelt Usual School Grades A and B C D and F Total Never 55 40 17 112 Rarely 129 95 21 245 Sometimes 168 109 9 286 Most times 290 129 25 444 Always 1,059 305 50 1,414 Total 1,701 678 122 2,501 (a) The total number of students in the table is 2,501. What percentage of these 2,501 students said that they usually get A's and B's in school? (Round your answer to one decimal place.) % (b) What percentage of the 1,701 students who said that they usually get A's and B's said that they always wear a seatbelt when driving? (Round your answer to one decimal place.) % (c) What percentage of the 678 students who said that they usually get C's said that they always wear a…
Listed to the right are the selling prices (in thousands of dollars) for a sample of 19 lakeside lots in Pinnacle Peak, a vacation home community in the Blue Ridge mountains. 86 61 148 81 39 142 140 65 28 85 90 92 25 50 85 85 82 120 137 Determine the following: a. the first quartile b. the third quartile c. the median
Descriptive Statistics.For the given data:4 8 18 20 21 22 23 24 25 26 27 28 29 30 30 31 31 32 32 33 33 34 35 36 37 38 39 47 53 a. Make a Frequency Diagram with 7 classes.b. Draw the histogram.
The following data are the score of 24 students in Midterm Examination. If JM is one of these 24 students and got a score of 80, in what percentile does her score belong?
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1. Given the following scores in a Psychology test , make a frequency table. Raw scores 47 56 42 28 56 55 82 78 50 55 41 56 57 38 62 52 66 65 72 37 47 42 52 47 54 48 52 47 44 39 53 48 42 54 62 68 48 56 42 60 Class limits Class f RF% CF boundaries