A study published in The Lancet described how researchers in Sweden followed people with andwithout diabetes and looked at their cardiovascular health. The counts in the chart below aresuggestive of the information presented in that study as might apply to 10,000 adults in the UnitedStates.Cardiovascular DiseaseYesNoTotalsType I Diabetes623698Type II Diabetes733164897No Diabetes405549509005Totals4850515010,000One of the adults in the chart is chosen at random. What is the approximate probability that thisperson has Type I diabetes OR has NO cardiovascular disease? Write your answer as a probabilitystatement with an answer to four decimal places without the percent symbol. For example:P(rando)=0.1234

Step 1:Given data : YesNoTotalsType 1623698Type 2733164897No…

Answered: A study published in The Lancet…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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2. What is the difference between a histogram and a bar chart? For what type of data would each be appropriate.
Maria Washington owns and manages a small business in San Francisco, California. The business provides breakfast and brunch food, via carts parked along sidewalks, to people in the business district of the city. Being an experienced businessperson, Maria provides incentives for the four salespeople operating the food carts. This year, she plans to offer monetary bonuses to her salespeople based on their individual mean daily sales. Below is a chart giving a summary of the information that Maria has to work with. (In the chart, a "sample" is a collection of daily sales figures, in dollars, from this past year for a particular salesperson.) Groups Sample Sample Sample size mean variance Salesperson 1 88 209.8 2360.3 Salesperson 2 82 191.8 2049.0 215.8 2532.7 Salesperson 3 123 Salesperson 4 68 201.7 1527.0 Send data to calculator V Send data to Excel Maria's first step is to decide if there are any significant differences in the mean daily sales of her salespeople. (If there are no…
A contributor for the local newspaper is writing an article for the weekly fitness section. To prepare for the story, she conducts a study to compare the exercise habits of people who exercise in the morning to the exercise habits of people who work out in the afternoon or evening. She selects three different health centers from which to draw her samples. The 6060 people she sampled who work out in the morning have a mean of 3.33.3 hours of exercise each week. The 4747 people surveyed who exercise in the afternoon or evening have a mean of 3.43.4 hours of exercise each week. Assume that the weekly exercise times have a population standard deviation of 0.40.4 hours for people who exercise in the morning and 0.70.7 hours for people who exercise in the afternoon or evening. Let Population 1 be people who exercise in the morning and Population 2 be people who exercise in the afternoon or evening. Step 1 of 2 : Construct a 99%99% confidence interval for the true difference…
Suppose the data is: 0.848, 0.413, 1.058, 0.858, 0.350, 1.582, 0.372, 0.566, 1.097, 0.939, 0.761, 0.864, 0.712, 0.264, 0.138, 1.124, 0.383, 1.194, 2.072, 0.690. Use the sign test and the Wilcoxon signed rank test to test the null hypothesis H0: median = 1 versus the alternative H1: median < 1.
In a city with three high schools, all the ninth graders took a Standardized Test, with these results: Mean High Number of ninth Test School graders (Frequency) Score Glenwood 83 263 Central 94 323 Lincoln 70 184 The city's PR manager, who never took statistics, claimed the mean score of all ninth graders in the city was the average of 83, 94, and 70, which is 82.3. Of course, that is incorrect. What is the mean score for all ninth graders in the city? Round to one decimal place. Mean of all ninth grader's scores =
A marketing firm is doing research for an internet-based company. It wants to appeal to the age group of people who spend the most money online. The company wants to know if there is a difference in the mean amount of money people spend per morith on Internet purchases depending on their age bracket. The marketing firm looked at two age groups, 18-24 years and 25-30 years, and collected the data shown in the following table. Let Population 1 be the amount of money spent per month on internet purchases by people in the 18-24 age bracket and Population 2 be the amount of money spent per month on internet purchases by people in the 25-30 age bracket. Assume that the population variances are not the same. Internet Spending per Month 18-24 Years Answer Mean Amount Spent Standard Deviation Sample Size Step 1 of 2: Construct a 99 % confidence interval for the true difference between the mean amounts of money per month that people in these two age groups spend on Internet purchases. Round the…
Can you do a histogram for Class 0-0.19, 0.20-0.39, 0.40-0.59, 0.60-0.79,0.80-0.99, 1.00-1.19, 1.20-1.39, Frequencies 25, 13, 5, 2, 2, 2, 3.
A new statistics book has been written and a faculty member and a student are asked to rank the new book and the other five best statistics books. How much do the student and professor agree on their assessment of the books (1 being the favorite, 6 being the least)? Use the data below to answer the following question:
When we comparing the hospitals in our area for seeking a better care, what statistics or data we should take into consideration ?
How many samples or treatments are here? 490 undergraduate students at a state university in the southwestern region of the United States were surveyed. Each student in the sample was classified according to class standing (freshman, sophomore, junior, or senior) and body are category (body piercings only, tattoos only, both tattoos and body piercings, no body art). Use the data in the accompanying table to determine if there is an association between class standing and body art category. Assume that it is reasonable to regard the sample as representative of the students at this university. Use α = 0.01. Freshman Sophmore Junior Senior Body Piercings 61 7 14 86 Only Tattoos 43 11 10 64 Only Mildly Piercings and Tattoos 20 9 7…
Please assist with all questions and workings to learn
We asked UST employees to tell us how many megabytes of memory (RAM) they have on their computer. WWe would like to test to see if the mean amount of memory is the same for three different academic departments. We have the memory amounts for six faculty members' machines in the three departments shown below. Dept. 1 Dept. 2 Dept. 3 1 2048 4096 4096 2 2048 2048 4096 3. 2048 2048 8192 computer 4 2048 4096 8192 2048 2048 4096 6. 2048 8192 4096 Here is the ANOVA table: Analysis of Variance Source DF Adj SS Adj MS F-Value P-Value Factor 34952533 17476267 XXX 0.020 Error XX 51030699 3402047 Total XX 85983232 Calculate the value of the F test statistic and enter here:

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