The LPGA ANA Inspiration tournament was held in April 2015. Shown below are the first and the second round scores for a random sample of 13 golfers. Use a = 0.05 to determine whether the first and second round median scores for this group different significantly. What is your conclusion ? Why? Golfer Round 1 Round 2 75 72 Lang Anderson 74 70 Lee 71 73 Inskter 69 75 Jang 72 72 Kang 71 74 Miyazato 68 74 Meadow 76 68 Matthew 71 69 Gal 75 68 Masson 72 73 Pettersen 76 68 Martin 74 72

The LPGA ANA Inspiration tournament was held in April 2015. Shown below are the first and the second round scores for a random sample of 13 golfers. Use a = 0.05 to determine whether the first and second round median scores for this group different significantly. What is your conclusion ? Why? Golfer Round 1 Round 2 75 72 Lang Anderson 74 70 Lee 71 73 Inskter 69 75 Jang 72 72 Kang 71 74 Miyazato 68 74 Meadow 76 68 Matthew 71 69 Gal 75 68 Masson 72 73 Pettersen 76 68 Martin 74 72

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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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true if the statement is absolutely true, otherwise if the statement is either true or false write false
[Statistics] Use R or RStudio Context of the problem:Fire damage in the United States amounts to billions of dollars, much of it insured. The time taken to arrive at the fire is critical. This raises the question, Should insurance companies lower premiums if the home to be insured is close to a fire station? To help make a decision, a study was undertaken wherein a number of fires were investigated. The distance to the nearest fire station (in miles) and the percentage of fire damage were recorded. Here is the data set: Distance Percent7.5 688.3 666.2 341.6 305.6 706 624.3 478.1 725.7 400.3 531.6 182.5 485.8 535.3 486.3 643.4 526.2 613.2 346.3 656.1 664.6 336.7 760.5 343.2 465.3 555 334.8 466.4 490.2 174.9 476.2 637.6 696.6 542.9 522.1 434.8 358.1 581.2 54.6 464 576.1 400.8 395.9 426.5 626.5 527.5 767.2 676.7 454.1 234 334.8 594…
Gender and Frequency of Status Updates on Facebook The Pew Research Center conducted a survey of randomly sampled American adults, asking them about their use of social networking sites such as Facebook. The table below shows the self-reported frequency of status updates on Facebook by gender. Are frequency of status updates and gender related? chi-square statistic = i p-value = i Conclusion: ĮStatus/Gender Ho- Every day 3 - 5 days/week 1 - 2 days/week Every few weeks Less often Total Male Female Total 42 46 70 77 88 386 59 79 79 151 186 491 130 105 149 Round your answer for the chi-square statistic to one decimal place, and your answer for the p-value to three decimal places. 156 337 877 Table 1 Gender and frequency of status updates on Facebook
true if the statement is absolutely true, otherwise if the statement is either true or false write false
Information about how study subjects fit into categories (for example: male/female, blonde/brunette, …) Qualitative data Quantitative data Numerical data Categorical data
Test statistic A Chi-square B t-test с D z-test ANOVA
-In statistics, the percentage is the same or equivalent to the proportion (p). Percent means per 100. For example, if there are 1,000 residents in a town, and 60% are Democrats, then, on average, 60 out of each 100 are Democrats. You determine the total number of Democrats by converting the percentage to a proportion, .60, and multiplying .60 x 1,000, which equals 600. -To determine a percentage, we divide the part by the whole and multiply by 100. So, if 8 out of 234 seniors are reported to have tried Meth, we calculate the percentage: 8/234 0.0342 and multiply 0.0342 x 100= 3.42%. -Remember: when you multiply by 10, move the decimal point one place to the right3; when you multiply by 100, move the decimal point two places to the right, etc. Answer the questions that follow the Table below Adolescents at three drug treatment centers were surveyed. The questionnaire used consisted of 102 questions and was divided into four sections. The third section asked about past drug use. The…
ANOVA Tests and Independent & Dependent Variables COLLAPSE How are the treatments in an ANOVA test similar to independent and dependent variables? How are they different?
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