find Quartiles (q1, q2 and q3) from the given example. Please solve correct and quickly. Example 2.3 Given below are the mean aunal death rates per 1,000 at ages 20-65 in each of 88occupational groups. Construct a grouped7.5826.29.910.910.87.449.711.612.610.29.97.37.38.41210.310.16.512.57.86.58.79.312.418hitps:#star9.3.10.49.19.36.210.36.67.48.67.79.4237.712.88.75.58.69.611.910.47.87.612.14.614.08.111.410.611.610.48.14.66.612.8-6.8716.68.88.810.710.86.07.97.39.39.38.910.13.96.06.99.08.89.411.410.9(B.I.S.E. Lahore, 1971)A scan of the data shows that the largest value is 14.0 and the smallest value is 3.9 so that the range140-3.9 = 10.1.As the data are recorded to one decimal place, we may therefore locate the lower limit of the firstgroup at 3.5. Let us choose a class interval of 1.0. Then the class limits are specified as 3.5 - 4.4,... amai.puTie ..https://stat9943.blogspot.com24INTRODUCTION TO STATISTICAL THEORY4.5-5.4, 5.5- 6.4, ... With this choice, the class-boundaries are 3.45 - 4.45, 4.45 - 5.45, 5.45-6.45, .,which do not coincide with the given values.The following table shows the required frequency distribution:FREQUENCY DISTRIBUTION OF MEAN DEATH RATESDeath RatesClass-boundariesTallyFrequency3.5-4.43.45-4.4514.5 - 5.44.45 - 5.454.5.5 - 6.45.45 - 6.456.5 - 7.4NA THA II6.45 - 7.45137.5 - 8.47.45-8.45128.5-9.48.45-9.45199.5 – 10.49.45 - 10.451310.5-11.410.45 - 11.451011.5 - 12.411.45 12.456.12.5 - 13.412.45-13.454.13.5- 14.413.45- 14.451Total88943.blogspot.com

Given data distribution of 88 points as shown below The total number of data points =88Its frequency…

Answered: 10.1 10.0ri.i Example 2.3 Given below…

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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Please solve step 2,3,4 …thank you!
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While the mail-order DVD rental market has slowed with the advent of streaming, mail-order is still the only way to find rare movies. Raredvds.biz is considering moving into the rental business after considerable success selling DVDs. To gauge their customer service, they are considering the case of the 1980 film The Monster Club featuring Vincent Price. Raredvds.biz expects to have one copy of the DVD. Based on data collected from customers, Raredvds.biz believes that the average time between orders for the film will be about 10 days with a coefficient of variation of one. Using customer data, the company also believes that including shipping time, both ways, the DVD will on average spend seven days in service, with a coefficient of variation of one. How long does a customer wait on average before being shipped the DVD?
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Several states have argued that the 65-mph speed limit has no justification and have refused to enforce it. The federal Department of Transportation (DOT) believes that the 65-mph limit saves lives. To illustrate its contention, the department regressed the number of traffic fatalities (Y) last year in a state on the state’s population (X1), the number of days of snow cover (X2), and the average speed of all cars (X3). The results are shown below. Table 10: Model Summary Model R R Square Adjusted R Square Std. Error of the Estimate 1 .821 a .780 .613 3.258 a. Predictors: (Constant), population, days of snow, average speed Table 11: Coefficients Coefficientsa Model Unstandardized Coefficients Standardized Coefficients t Sig. B Std. Error Beta 1 (Constant) 1.4 2.957 .473 .584 Population .00029 .00003 .0034 9.667 .000 Days of Snow 2.4 .62 .759 3.871 .000 Average Speed 10.3 1.1…
I need help with just part c. Someone on here already answered it for me but I'm really confused as there are steps missing and I'm not sure what to put in the calculator. " The first quartile separates the lowest 25% of the observations from the higher 75% of the observations. The first quartile is denoted by Q1. The second quartile separates the lower 50% of the observations from the higher 50% of the observations. The second quartile is denoted by Q2.The second quartile is same as median. The third quartile separates the lowest 75% of the observations from the higher 25% of the observations. The third quartile is denoted by Q3. The third quartile can obtained as follows...." Third Quartile is 1 somehow, and I don't understand how it is.
For some data, we know the range R of the data is 12 and its median is 6. Find Estimated Lowest Number, and Estimated Highest Number for this data. Give you answers in the same order asked.
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Elaine is interested in determining if men are more satisfied in their jobs than women in the healthcare industry. She administers a job satisfaction questionnaire to 20 men and 20 women working in hospital administration. Her grouping variable is gender and dependent variable is job satisfaction. The job satisfaction scale consists of 8 items measured using a 5-point rating scale. A higher score on this scale would indicate high job satisfaction. The maximum score that can be obtained on the scale is 40. We can assume that job satisfaction scores are normally distributed. Use the appropriate T test with a significance level of 0.05 to test the hypothesis. Research Question Do the mean job satisfaction scores differ for men and women working in the hospital administration department? Hypothesis The mean job satisfaction scores do not differ for men and women working in the hospital administration department. Compute an independent sample t test on these data. Report…

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