The accompanying table shows the data from a researcher studying the reaction times of rats. He has a requirement that the maze take about 62 seconds to complete on average. A student resampled the reaction times 1000 times. The accompanying histogram shows the distribution of the means, and a summary of thequantiles is shown below it. Complete parts a through d below.Click here to view the data, Click here to view the results from resampling.a) Using the student's resampling, find a 99% bootstrap confidence interval for the true mean time it takes to complete the maze (in seconds).(Round to three decimal places as needed.)Resampling ResultsRat Reaction TimesTime (sec)300-41.565.4250-48.163.367.651.0200-44.544.6150-68.851.035.199.3100-53.651.250-37.170.754.351.90-40455560657050Bootstrapped Means66.162.663.999.95%0.05%48.7370.1%0.5%1%5%50%95%99%99.5%99.9%49.17749.48650.54051.86456.49562.22064.21164.97266.88968.685PrintDonePrintDone

Answered: Image /qna-images/answer/bb51c155-12dd-43d5-bf37-78227b23ce95.jpg

Answered: The accompanying table shows the data…

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 sample of blood pressure measurements is taken from a data set and those values (mm Hg) are listed below. The values are matched so that subjects each have systolic and diastolic measurements. Find the mean and median for each of the two samples and then compare the two sets of results. Are the measures of center the best statistics to use with these data? What else might be better? Systolic: 122 137 158 114 156 143 99 112 115 152 Diastolic: 61 51 76 73 55 58 74 60 87 59 Find the means. The mean for systolic is mm Hg and the mean for diastolic is mm Hg. (Type integers or decimals rounded to one decimal place as needed.) ***
Complete part C. C. Compute an estimate of the population parameter. Telephone survey of 2980 adults in certain country, 27% reported they own least one gun. Researchers want to estimate the true percentage of adults in that country that own at least one gun.
I need the right answer for a and b.
Part II. The data below represents the weights (in kgs) of a sample of 20 giant turtles: 61 65 67 67 69 73 74 74 74 77 77 78 80 84 88 89 92 93 95 96 1. Construct a Stem-and-Leaf display of this data based on the stems 6, 7, 8, 9. 2. Find the percentage of weights greater than or equal to 73 kgs. 3. Find the percentage of weights less than 80 kgs.
Determine whether the study depicts an observational study or an experiment. A scientist was studying the effects of a new fertilizer on crop yield. She randomly assigned half of the plots on a farm to group one and the remaining plots to group two. On the plots in group one, the new fertilizer was used for a year. On the plots in group two, the old fertilizer was used. At the end of the year the average crop yield for the plots in group one was compared with the average crop yield for the plots in group two.
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%
Classify each of the following data types as qualitative or quantitative. 1. Types of animals used as NFL football team mascots 2. Weight of kindergarten students 3. Height of sycamore trees 4. Dollars earned by actor 5. Colors people use to paint their houses
The table below shows the number of state-registered automatic weapons and the murder rate for several Northwestern states. 11.5 8.4 6.8 3.4 2.5 2.6 2.6 0.9 13.5 10.9 9.8 6.7 6.3 6.4 4.5 x = thousands of automatic weapons y = murders per 100,000 residents This data can be modeled by the equation 0.83x + 3.99. Use this equation to answer the following; Special Note: I suggest you verify this equation by performing linear regression on your calculator. A) How many murders per 100,000 residents can be expected in a state with 8.4 thousand automatic weapons? Answer Round to 3 decimal places. B) How many murders per 100,000 residents can be expected in a state with 7.3 thousand automatic weapons? Answer Round to 3 decimal places.
Use the following information to answer the next three exercises. 1; 1; 2; 3; 4; 4; 5 ; 5; 6; 7; 7; 8; 9 39. What is the first quartile for this data? 40. What is the third quartile for this data? Use the following information to answer the next four exercises. This box plot represents scores on the final exam for a physics class.
Altman and Bland report the survival times for patients with active hepatitis, half treated with prednisone and half receiving no treatment.7 The data that follow are adapted from their data for those treated with prednisone. The survival times are recorded to the nearest month:8 87 127 14711 93 133 14852 97 139 15757 109 142 16265 120 144 165a. Look at the data. Can you guess the approximate shape of the data distribution?b. Construct a relative frequency histogram for the data. What is the shape of the distribution?c. Are there any outliers in the set? If so, which survival times are unusually short?
For each vignette, choose the type of research that is being conducted. There is only one correct answer for each vignette. Here are your answer choices for questions 1-18 Case Study Naturalistic Observation Laboratory Observation Survey Correlation Test Experiment Longitudinal Design Cross Section Cross Sequential Design Maria wants to understand the political demographics in her community, so she creates a questionnaire asking people to identify their age, gender, political affiliation, religion and marital status. After Maria collects the abovementioned data (in question #12), she then identifies the relationships between religion and political affiliation. Kathi…
1. Interpret the following graph. The variables of interest are narcissism (on a 1-5 scale), and random assignment to read a code of ethics or inoculation condition. The dependent variable is how ethical someone was in the past week, averaged into a 1-5 scale. Honest over the past week 5 4.5 4 3.5 Low Narcissism High Narcissism Code of Ethics Inoculation

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