3. Solve the Pso in the following distribution scores and find the percentile rank of 42.Class intervalfcf20 - 2425 - 2930 - 3471635 - 39102640 - 44184445 - 492064- 50th item50 - 54178155 - 59109160 - 649665 - 694100N = 100

Percentiles: The values which divide a frequency distribution of a variable into hundred equal…

Answered: 3. Solve the Pso in the following…

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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Calculate the 60th percentile of the data shown x 5.4 6.3 7.7 10.8 16.7 18.9 21 21.2 21.6 23.2 24.4 26.5 27.3 28.8 29.5
Rhenz scored 32 points on their Math summative test. The following data are the summative test scores of Grade 10 Competence in Math. He wants to identify the percentage of his score among the class' scores. Construct a frequency distribution table. Interpret results and formulate conclusion. Compute the percentile rank of grouped data. Use the formula below. (Ctrl) 30 13 31 18 36 30 32 17 9 11 37 35 30 25 5 36 31 13 27 5 12 5 35 8 6 35 30 26 24 18 36 44 33 5 17 36 - PPR = - [201²- [(P - LB) fr + cfr i where: PR percentile rank, the answer will be a percentage P = raw score or value for which one wants to find a Percentile rank LB = lower boundary of the kth percentile class N total frequency cfp = cumulative frequency of all the values below the critical value 25 30 36 36 10 35
Find the interquartile range for the following two data sets and compare them. Test Scores for Class A 69; 96; 82; 79; 65; 74; 83; 99; 89; 67; 90; 77; 85; 98; 66; 90; 77; 69; 80; 94 Test Scores for Class B 90; 72; 80; 92; 90; 97; 92; 75; 79; 68; 70; 82; 99; 94; 78; 73; 71; 68; 95; 100 The IQR for Class A is Number The IQR for Class B is Number Judging by their IQR, more variation is found in the test scores for Class Click for List
What is the percentile for your 10th data point? (when they are arranged in order) Number of Frogs Caught Daily Next to my House 29 23 14 13 23 22 16 24 27 25 26 19 21 19 25
The Focus Problem at the beginning of this chapter asks you to use a sign test with a 10% level of significance to test the claim that the overall temperature distribution of Madison, Wisconsin, is different (either way) from that of Juneau, Alaska. The monthly average data (in °F) are as follows. Month Jan. Feb. March April May June Madison 17.8 21.4 31.8 46.9 57.1 67.8 Juneau 22.8 27.5 31.8 38.6 46.2 52.7 Month July Aug. Sept. Oct. Nov. Dec. Madison 71.9 69.5 60.8 51.7 35.6 22.2 Juneau 55.6 54.9 49.3 41.1 32.5 26.3 (a) What is the level of significance? (b) Compute the sample test statistic. (Use 2 decimal places.) (c) Find the P-value of the sample test statistic
Given the following data set that presents 30 test scores on an exam, find the 63rd percentile. State your result/answer as a value with exactly two digits after the decimal 49.5, 48, 51, 50, 53.2, 52, 55, 54, 57, 56, 59, 58, 61, 60, 63, 62, 65.4, 64, 67.5, 66, 69, 68, 71, 70, 73, 72, 75.2, 74, 92, 88

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3. Solve the Pso in the following distribution scores and find the percentile rank of 42. Class interval f cf 20 - 24 3 3 25 29 6 9 30 34 7 16 35 39 10 26 40 44 18 44 45 49 20 64 - 50th item 50 - 54 17 81 55 - 59 10 91 60 64 96 65 - 69 4 100 N = 100