A population of values has an unknown distribution with μ = 34.5 and σ = 98.3. You intend to draw arandom sample of size n = 107.What is the mean of the distribution of sample means?Hz =(Please enter an exact answer.)What is the standard deviation of the distribution of sample means?σz =Submit Question(Please report your answer accurate to 2 decimal places.)

Given sample of size n = 107 mu = 34.5 sigma = 98.3 .

Answered: population of values has an unknown…

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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I Professor Brown administered an achievement test, which as he remembers from years of experience, yielded a population mean score of 85. If his class of 25 students obtained a mean score of 89 with standard deviation score of 14, can the professor claim that his class is a superior class? Assume that the mean score is approximately normally distributed. Use a = 0.01
How many apps? According to a website, the mean number of apps on a smartphone in the United States is 90. Assume the number of apps is normally distributed with mean 90 and standard deviation 30 . Part: 0 / 2 0 of 2 Parts Complete Part 1 of 2 (a) What proportion of phones have between 30 and 150 apps? Round the answer to four decimal places. The proportion of phones that have between 30 and 150 apps is .
N=80 p=.6 mean? variance? standard deviation?
The coefficient of variation CV describes the standard deviation as a percent of the mean. Because it has no units, you can use the coefficient of variation to compare data with different units. Find the coefficient of variation for each sample data set. What can you conclude? Standard deviation CV = • 100% Mean E Click the icon to view the data sets. Data Table C/heights = 5.0 % (Round to the nearest tenth as needed.) Heights Weights CVweights =% (Round to the nearest tenth as needed.) 68 181 77 169 72 167 72 207 71 177 70 175 78 185 69 186 67 221 70 216 67 209 73 206
The data in the table is points scored by a basketball team in a certain period of time. Use the data in the table to answer the bulleted statements.
IQ scores of people around the world are normally distributed, with a mean of 100 and a standard deviation of 15. A genius is someone with an IQ greater than or equal to 145. What percent of the population is considered a genius? answer as a percent rounded to 2 decimal places
population mean is 533.7 and standard deviation is 129.4. suppose you do not know population mean in a random sample of 75 the average spent is 550. find a 98.1% CI for population mean
A company produces steel rods. The lengths of the steel rods are normally distributed with a mean of 129.5-cm and a standard deviation of 0.8-cm. For shipment, 27 steel rods are bundled together.Find P69, which is the average length separating the smallest 69% bundles from the largest 31% bundles.P69 = ________-cmEnter your answer as a number accurate to 2 decimal place. Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted.
Please do not give solution in image format thanku If mean=10, standard deviation= 2, then 95% of the scores in the sample fall between: 8 and 12 10 and 12 6 and 14
z Scores LeBron James, one of the most successful basketball players of all time, has a height of 6 feet 8 inches, or 203 cm. Based on statistics from Data Set 1 “Body Data” in Appendix B, his height converts to the z score of 4.07. How many standard deviations is his height above the mean?
Chrome - → C Gmail File Edit View History Home - myRCC mylearning.suny.edu/d21/le/content/920969/viewContent/25846459/View I We are going to calculate the standard deviation for the following set of POPULATION data. 1) First, calculate the mean. μ= 14 2) Fill in the table below. Fill in the differences of each data value from the mean, then the squared differences. 3) Calculate the standard deviation. 12 13 5 X 1 Bookmarks Profiles Tab Window Help σ= Total T-μ (T-μ)² Standard deviation: A.2 HW-23FA STATISTICS (81 X + Σ(x-μ)² N Question Help: Video Submit Question Round to two decimal places BL SEP 15 + MacBook Air 2
Show work Researchers conducting a study of 15 children with a diagnosis of ADHD wish to assess whether the BMI of the children is correlated with degrees of hyperactivity in the child. The BMI of the children is shown in the image. Please calculate the Standard Deviation of the BMI for the children, and report to the hundredths place (e.g. 26.789 is rounded 26.79)

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