Use the sample data and confidence level given below to complete parts (a) through (d).A research institute poll asked respondents if they felt vulnerable to identity theft. In the poll, n = 972 and x = 577 who said "yes." Use a 99% confidence level.Click the icon to view a table of z scores.a) Find the best point estimate of the population proportion p.(Round to three decimal places as needed.)

Answered: Use the sample data and confidence…

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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The number of credits being taken by a sample of 13 full-time college students are listed below. Find the mean, median, and mode of the data, if possible. If any measure cannot be found or does not represent the center of the data, explain why. 9 9 12 12 9 8 8 8 10 8 8 8 11 Find the mean. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. OA. The mean is (Type an integer or decimal rounded to one decimal place as needed.) OB. The data set does not have a mean.
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Find the IQR ( Interquartile range) of the following data values: 35, 23, 12, 45, 31, 57, 61, 55, 36, 17
The following are the distances (in miles) to the nearest airport for 13 families. 9, 10, 16, 24, 27, 30, 31, 34, 37, 41, 41, 46, 47 Notice that the numbers are ordered from least to greatest. Give the median, lower quartile, and upper quartile for the data set.
A survey was conducted that asked 1013 people how many books they had read in the past year. Results indicated that x=10.3 books and s=16.6books. Construct a 90% confidence interval for the mean number of books people read. Interpret the interval. Construct a 90% confidence interval for the mean number of books people read and interpret the result. Select the correct choice below and fill in the answer boxes to complete your choice. (Use ascending order. Round to two decimal places as needed.) A. There is a 90% probability that the true mean number of books read is between ___ and ____ B. There is 90% confidence that the population mean number of books read is between ___ and ____. C. If repeated samples are taken, 90% of them will have a sample mean between ___ and ___.
When a researcher changes their data analyses to get the p-value they desire, that is known as a. HARKing b. p-hacking c. multiple comparisons d. a Type II error
Determine whether the statement is true or false. If it is false, rewrite it as a true statement. A statistic is a measure that describes a population characteristic. Choose the correct answer below. OA. True. B. False. A statistic is a measure that describes a sample characteristic. OC. False. A statistic is the science of collecting, organizing, analyzing, and interpreting data in order to make decisions.
Find the mean, median and mode, Q, Q3, De and P of the following grouped data. Distance of Residential Houses from the Barangay Hall Distance (km) Number of Houses 23-26 12- 22 11 10 15 13 12 16 5- 10
Calculate the appropriate measure of association for this study. Round to the nearest hundredth. In a recent case-control study, investigators enrolled 300 adults with heart disease and 300 healthy adults. During interviews with the participants, the investigators determined participants' use of multivitamins in childhood, which was dichotomized into yes or no. The 2x2 table below shows the frequencies of heart disease case and control status by multivitamin use during childhood. Heart Disease Multivitamin Use Yes No Total Yes 125 175 300 No 135 165 300 Total 260 340 600 QUESTION 4 What is the correct interpretation of the measure of association you calculated in the previous question? (Please consider your calculated number in place of "X" in the answers.) The ODDS of heart disease among people who took multivitamins during childhood is X times the odds of heart disease among people who did not take multivitamins during childhood. The ODDS of multivitamin use during childhood among…
A survey was conducted that asked 963 people how many books they had read in the past year. Results indicated that x=14.7 books and s=17.8 books. Construct a 90% confidence interval for the mean number of books people read. Interpret the interval.Construct a 90% confidence interval for the mean number of books people read and interpret the result. Select the correct choice below and fill in the answer boxes to complete your choice.(Use ascending order. Round to two decimal places as needed.)A. If repeated samples are taken, 90% of them will have a sample mean between ___ and ____ B. There is a 90% probability that the true mean number of books read is between ____ and ___ C. There is a 90% confidence that the population mean number of books read is between ___ and ___
Here are the reading scores (out of 60) of 20 randomly selected kindergarten kids in a district 34, 26, 46, 46, 43, 42, 45, 39, 43, 32, 15, 36, 29, 39, 41, 27, 38, 58, 31, 35 Find the 5-number summary for the data set. Min: Q1: Median: Q3: Find the IQR of the data set. IQR: Find Q3+1.5(IQR). Q3+1.5(IQR) = Max: Are there any high outliers, that is, are there any numbers in the data set higher than Q3+1.5(IQR)? Select an answer Find Q₁-1.5(IQR). Q₁-1.5(IQR) Are there any low outliers, that is, are there any numbers in the data set higher than Q₁— 1.5(IQR)? Select an answer No, there are no low outliers 15 is a low outlier =

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