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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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A variable is a trait or set of qualities. TRUE b. FALSE
A retailer wants to see if a red "Sale" sign brings in less revenue than the same "Sale" sign in blue. The data below shows the revenue in thousands of dollars that was achieved for various days when the retailer decided to put the red "Sale" sign up and days when the retailer decided to put the blue "Sale" sign up. Red: 2.1, 3.6, 3.5, 2.5, 2, 3, 2.6, 2.6, 2, 3, 2.7 Blue: 2.6, 4.5, 4.1, 5, 4.6, 2.8, 3.9, 4.8 Assume that both populations follow a normal distribution. What can be concluded at the a = 0.10 level of significance level of significance? For this study, we should use Select an answer a. The null and alternative hypotheses would be: Но Select an answer V (please enter a decimal) Ho: Select an answer V Select an answer V H (Please enter a decimal) Select an answer Y Select an aNSwer V Select an answer b. The test statistic ?v = (please show your answer to 3 decimal places.) с. The p-valuе (Please show your answer to 4 decimal places.) d. The p-value is ?V a e. Based on this, we…
What is the linear pattern of 4500 students in 2014 and 3700 students in 2019
Each year forbes ranks the world’s most valuable brands. A portion of the data for 82 ofthe brands in the 2013 forbes list is shown in Table 2.12 (forbes website, february, 2014).The data set includes the following variables:brand: The name of the brand.Industry: The type of industry associated with the brand, labeled Automotive& Luxury, Consumer Packaged Goods, financial Services, Other, Technology.brand Value ($ billions): A measure of the brand’s value in billions of dollarsdeveloped by forbes based on a variety of financial information about the brand.1-Yr Value Change (%): The percentage change in the value of the brand over theprevious year.brand Revenue ($ billions): The total revenue in billions of dollars for the brand.a. Prepare a crosstabulation of the data on Industry (rows) and brand Value ($ billions).Use classes of 0–10, 10–20, 20–30, 30–40, 40–50, and 50–60 for brand Value($ billions).b. Prepare a frequency distribution for the data on Industry.
Hi i’m in grade 12 Data Management and i need help with this practice question please use permutations if they apply
These box plots show the basketball scores for two teams. Bulldogs 55 70 80 90 105 Wolverines 35 80 85 96, 30-35 40 45-50 55 0O 65 70 75 60 05 90-95 100 105 110 Basketball scores Which statement is the most appropriate comparison of the spreads?
An environmentalist wants to determine the relationships between the numbers (in thousands) of forest fires over the year and the number (in hundred thousands) of acres burned. Fires- 67,66,59,55,86,56,54,47 Acres- 61,42,17,30,52,16,33,10 0.001 -1.012 -0.756 0.756
2. Use the graph below to answer the items that follow: pain_data$sex -0- female male A В C Treatment Type a. Is there a main effect of Sex? Explain b. Is there a main effect of Treatment? Explain. c. Is there an interaction between Sex and Treatment? Explain. Time (in minutes) 15 25 35 07
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Example 6. In a survey of 500 students in a college 180 were listed as drinking Tea, 275 as drinking coffee and 95 were listed as both drinking Tea as well as Coffee. Find how many students were drinking neither Tea nor Coffee.
The basketball coach at a local college believes that his team scores more points at home games when more people show up. Below is a list of all home games last year with scores and corresponding attendance. Use Excel, SPSS, or work by hand to show your work finding r. Show your work on the attached pages. Score Attendance Score Attendance 54 380 67 410 57 350 78 215 59 320 67 113 80 478 56 250 82 451 85 450 75 250 101 489 73 489 99 472 53 451 What is the obtained t-score for this correlation? What is the critical t-score for a two-tailed test with a = 0.05? Is this correlation significant based on the t-scores?

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how does ford or any other company (example of a company) use and inplement the x bar chart and the r bar chat and why?