1. We are interested in determining if attendance affects a student's overall course grade. The following data from 10students is provided:Attendance %Overall Grade %5038.867553.418462.37568.188275.558483.196784.378887.037391.2610098.76a. Which one is the independent variable and which one is the dependent variable?b. Find b,.Ic. Find bo-

Given : (X) Attendence % (Y) overall grade % 50 38.86 75 53.41 84 62.3 75 68.18 82…

Answered: We are interested in determining if…

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 coefficient of variation for the following data is 60, 47,75, 85, 58 O A. 23.05% O B. 25.23% O C. 23.50% O D. 24.05%
Which of the given data sets is less variable? а. 1,1,2,2,3,3,4,41,1,2,2,3,3,4,4 b. 1,1,1,1,8,8,8,81,1,1,1,8,8,8,8 C. 1,-1,2,-2,3,-3,4,-41,-1,2,-2,3,-3,4,-4 d. 1,1.5,2,2.5,3,3.5,4,4.51,1.5,2,2.5,3,3.5,4,4.5 е. 1,1,2,4,5,7,8,81,1,2,4,5,7,8,8 f. None g. 1,2,3,4,5,6,7,81,2,3,4,5,6,7,8 h. 1,2,2,3,3,3,4,4,4,41,2,2,3,3,3,4,4,4,4 i. 1,1,1,4,5,8,8,81,1,1,4,5,8,8,8 j. -1,-0.75,-0.5,-0.25,0,0,0,0.25,0.5,0.75,1
Find the percentile of the sample data 20 and 37.
3. Find the percentile for the data value 29 . Data: 9 10 10 11 13 14 16 17 17 18 19 20 22 23 25 27 28 29 30 32 33 34 36 37 39 40 41 42 44 46 49 50 53 55 56
The organization of the Girl Scouts has completed its annual cookie drive. The sales are reported in the accompanying ogive. Approximate the percentage of girls who sold more than 70 boxes of cookies.
Net assets for the 50 packaged beverage companies represent a median value of $ 10 million. Examples of 10 carbonated beverage companies from 50 packaged beverage companies are as follows (table below): Company Net Asset ($ million) A 6.1 B 11.7 C 22.4 D 9.6 E 9.6 F 14.5 G 15.0 H 6.6 I 6.9 J 4.9 Using the median, can we conclude that the ten carbonated beverage companies have less net assets than packaged beverage companies' net assets? use:a. What is the hypothesis for this test? b. Determine the p-value? What's your conclusion?
A statistics class has 136 students. The professor records how much money (in dollars) each student carries in his or her pocket during the first class. The histogram shows the data that were collected. Frequency 60 50 40 30 20 10 0 0 10 20 30 40 50 60 70 80 90 100 110 The percentage of students having less than $10 in their pockets is closest to 30% 35% 70% 60% 50%
The median for the data 42.3, 8.9, 1.1, 33.7, 24.2, 11.2, 19.1 is O 1.1 O 24.2 O 8.9 19.1 O 33.7
A company's price/earnings (P/E) ratio is the company's current stock price divided by the latest 12 months' earnings per share. Suppose the following table shows the P/E ratios for a sample of 10 Japanese companies and 12 U.S. companies. Japan P/E Ratio 152 28 19 127 38 212 65 664 32 69 United States P/E Ratio 16 25 25 42 23 Find the value of the test statistic. W = 15.16 X 15 28 15 28 39 17 15 Is the difference between the P/E ratios for the two countries significant? Use the MWW test and α = 0.01 to support your conclusion. State the null and alternative hypotheses. Ho: The two populations of P/E ratios are identical. H₂: The two populations of P/E ratios are not identical. O Ho: Median for Japanese companies - Median for U.S. companies 20 H₂: Median for Japanese companies - Median for U.S. companies 0 O Ho: Median for Japanese companies - Median for U.S. companies > 0 H₂: Median for Japanese companies - Median for U.S. companies = 0 O Ho: The two populations of P/E ratios are not…
The following data were collected in a survey of 8th graders and summarize their cell phone status. What proportion of the 8th graders have cell phones? No cell phone Conventional cell phone Smartphone Boys 50 65 33 Girls 31 76 27
1. Find the value of Q₁ for this data: 2, 4, 6, 8, 10, 12, 14 O A 4 B.5 O c.8 OD. 12
Provide an appropriate chart for the following data

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