and(ii) mean ± 2o,26 25. Find the proportion of items lying within : (i) mean foof the following distribution.ClassFrequencyClassFrequency11-12521-2239513-1442623-243815-1672025-268.17-1874127-2819-2066529-307.

Answered: Image /qna-images/answer/751de315-63d1-48fe-9844-4f55ad7a73a1.jpg

Answered: 20 25. Find the proportion of items…

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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Light bulb lifetime. Find the mean and median for the data in the following table. Interval Frequency The mean is 799.5-899.5 The median is (Round to two decimal places if needed.) 899.5-999.5 8 Life (Hours) of 50 Randomly Selected Light Bulbs 999.5-1,099.5 21 1,099.5-1,199.5 10 1,199.5-1,299.5
For numbers 9 to l1, use the grouped frequency distribution below. Class Interval Frequency 50–54 4 45-49 40–44 8 35-39 30-34 3 25-29 20-24 2 9. What is the mode? А. 40 В. 42 C. 43 D. 44 10. What is thẻ mean? А. 39.17 B. 40.17 C. 41.17 D. 42.17 11. What is the median? А. 39.38 B. 40.28 C. 41.38 D. 42.38
Examine the frequency distribution. What is the width of a class in this frequency distribution? Enter your answer as a number, like this: 42
A researcher wants to see if there is a difference in APGAR scores of newborns depending on whether the mother smoked during pregnancy or not. She collects data and analyzes the results using SPSS. What is the correct way to report the results in APA style? Question 23 options: t(58) = 3.288, p>.05 t(58) = 3.288, p= .002 t(26.5) = 3.278, p<.05 t(26.5) =3.278, p=.003
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2. Using the frequency/percentage distribution table below to find the median, 12t percentile, 25th percentile (1" quartile), 75th percentile (3rd quartile) and inter-quartile range (1QR) for the variable "mumber of rooms in respondents' home or apartment." Write one sentence interpreting each statistics. Number of rooms Cumulative Frequency Percent Valid Percent Percent Valid 153 room 7 .8 .8 244 1.2 1.2 2.0 3 968 4.7 4.9 6.9 2507 12.1 12.8 19.7 3758 18.1 19.1 38.8 3972 19.1 20.2 59.1 2965 14.3 15.1 74.2 2186 10.5 11.1 85.3 1146 5.5 5.8 91.1 10 868 4.2 4.4 95.5 11 373 1.8 1.9 97.4 12 217 1.0 1.1 98.5 13 77 4 4 98.9 14 35 2 99.1 15 22 .1 .1 99.2 16 15 .1 .1 99.3 17 47 2 99.5 18 40 2 99.8 19 30 .1 99.9 20 9 .0 .0 99.9 21 5 100.0 22 .0 100.0 Total 19642 94.4 100.0 Missing N/A 1160 5.6 Total 20802 100.0
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Activity: Construct FDT (including rf, cf) Age (in Years) of Adult Patients at XYZ Hospital 39 40 31 40 37 40 42 40 35 40 39 39 40 39 1. What is the range of the distribution? 2. What is the interval size? 37 38 40 63 37 41 38 40 38 35 54 38 44 35 3. What is the frequency of the highest class limit? 4. What is the relative frequency of the lowest class limit? 5. What is the frequency of the relative frequency distribution with 0.50 value? 37 Answer the following questions: 44

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20 25. Find the proportion of items lying within: (i) mean fo and (ii) mean ± 2ơ, of the following distribution. Class Frequency Class Frequency 11-12 21-22 395 13-14 426 23-24 38 15-16 720 25-26 8. 17-18 741 27-28 19-20 665 29-30 7.