5.a. Construct a frequency marginal distribution.b. Construct a relative frequency marginal distribution.c. Construct a conditional distribution by x.d. Draw a bar graph of the conditional distribution found in part (c).y₁Y₂2030X225253050

A 2* 3 contingency table is given as follows.x1x2x3y1202530y2302550When several random variables are…

Answered: 5. a. Construct a frequency marginal…

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 table shows the frequency of outcomes when two distinguishable coins were tossed 4,000 times and the uppermost faces were observed. HINT [See Example 2.] Outcome HH HT ΤΗ TT HH HT ΤΗ Frequency 1,400 950 Determine the relative frequency distribution. TT 1,600 50
1. The following data concerns the number of customers that visit a restaurant on certain days. From the data, construct an ordered array, a frequency distribution, a cumulative frequency distribution, a relative frequency distribution and a cumulative relative frequency distribution for this data. For all of the distributions use class intervals of width 10, beginning with multiples of 10 (10-19, 20-29, etc.). Also draw a pie-chart or a histogram for the relative frequency distribution. 19 60 34 53 44 48 47 46 52 64 28 20 44 34 45 63 40 17 35 13 22 18 26 54 38 2. A company surveyed customers to determine their hours of Internet usage per day. Based on the following sample observations, compute the mean, median, mode, range, variance, standard deviation, sixty-fifth percentile, interquartile range, the coefficient of variation and the Z score for a usage time of 4.5 hours. (All times are in hours.) {3.8,…
Consider the data set given below. Data Table x1 x2 x3 y1 50 25 50 y2 30 15 50 C) Construct a conditional distribution by x. x1 x2 x3 y1 ____ ____ _____ y2 ____ ____ _____ total 1 1 1
Q 01: (CLO 1) The following data shows the average monthly breakdowns of a production unit recorded for a forty-week period. Construct a frequency distribution for these data. Compute and show the class midpoints, relative frequencies, and cumulative frequencies for this frequency distribution. 7.29 7.23 7.11 6.78 7.47 6.69 6.77 6.57 6.80 6.88 6.98 7.16 7.30 7.24 7.16 7.03 6.90 7.16 7.40 7.05 7.28 7.13 6.87 7.68 7.03 7.17 6.78 7.08 7.12 7.31 7.40 6.35 6.96 7.29 7.16 6.97 6.96 7.02 7.13 6.84
Complete the given relative frequency distribution and compute the stated relative frequencies. (a) P({1, 3, 5}) Step 1 Outcome 1 Rel. Frequency 0.1 0.2 (b) P(E) where E = {1, 2, 3} (a) P({1, 3, 5}) 2 Outcome 1 0.1 2 4 We are given the incomplete relative frequency distribution. 3 0.1 5 4 5 Rel. Frequency 0.1 0.2 0.1 0.1 The missing table value is the relative frequency value corresponding to the outcome 0.5 X 5
Q.5 The following distribution shows the drying times in hours of a certain brand of latex paint. Draw its frequency curve and comment on it about the trend of drying times. Drying Times (Hours) Frequency 2.0-2.4 2.5-2.9 3.0-3.4 3.5-3.9 4.0-4.4 4.5-4.9 12 15 20 25 18 10
A simple quantitative data set has been provided. Use limit grouping with a first class of 0-4 and a class width of 5 to complete parts (a) through (d) for this data set. 17 21 17 18 24 25 16 25 10 2 15 27 15 26 21 17 27 20 a. Determine a frequency distribution. Class Frequency 0-4
ble scored 0,4, rcle) People D 2 5 3 O b. On a measure of social anxiety people scored: 35, 40, 45, 40, 40, 35, 45, 50, 50, 60, 60, 70, 70, 30, 40, 45, 50, 40, 40, 30 Qualitative or Quantitative? Graph of this distribution: c. Survey partic religious beliefs Atheist (A), Agr GCFCGACG Qualitative or C Religines benef Christia Atheist Agnostic Fooche Graph of this dist
A student is interested in whether students who study with music playing devote as much attention to their studies as do students who study under quiet conditions. He randomly assigns participants to either the music or no-music condition and has them read and study the same passage of information for the same amount of time. Participants are then all given the same 10-item test on the material. Their scores appear below. Scores on the test represent interval-ratio data and are normally distributed. music no-music 6 10 5 9 6 7 5 7 6 6 6 6 7 8 8 6 5 9 Please use the appropriate statistical test to analyze these data, and design a hypothesis testing process, get the conclusion about whether students who study with music playing devote as much attention to their studies as do students who study under quiet conditions. If significant, compute the effect size, interpret this, and draw a graph representing the data.
e $ 4 3. A survey of autos parked in student and staff lots at a large university classified the brands by country of origin as seen in the table. Student Staff American European Asian 107 33 55 5 105 a. What's the marginal distribution of Origin? 12 b. What's the conditional distribution of Origin for the students' cars? 47 c. What's the conditional distribution of Origin for the cars driven by the staff? A d. Do you think the origin of the car is independent of the type of driver? Explain. (use a side-by-side bar chart to help explain) 6 y & 7 u 8 9
R3
(a) Identify the shape of the distribution, and (b) determine the five-number summary. Assume that each number in the five-number summary is an integer. 10 - y - .. O D. The shape of the distribution cannot be determined from the boxplot. b. The five-number summary is | || ||||

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5. a. Construct a frequency marginal distribution. b. Construct a relative frequency marginal distribution. c. Construct a conditional distribution by x. d. Draw a bar graph of the conditional distribution found in part (c). X₂ X3