A population of values has a normal distribution with \( \mu = 36 \) and \( \sigma = 31.3 \). You intend to draw a random sample of size \( n = 12 \). Please answer the following questions, and show your answers to 1 decimal place.1. Find the value separating the bottom 11% values from the top 89% values. [ ]2. Find the sample mean separating the bottom 11% sample means from the top 89% sample means. [ ]

Introduction: Define X as the random variable of interest. It is given that X has a normal…

Answered: A population of values has a normal…

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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This histogram shows the heights of 20 students in a statistics class. Explain why it is not appropriate to find summary statistics for this distribution. Frequency 4- 3- 2- 1- T 0+ 60 65 70 75 Height (Inches) Choose the correct answer below. OA. Since there appear to be two modes, this data probably represents men and women and should be split into those two groups before finding any summary statistics. OB. The number of data values is too small for summary statistics to be meaningful. OC. Since the data appear to be bimodal, no other measures of center or spread can be calculated. OD. Since the distribution is not symmetric, summary statistics would be meaningless.
The tuition and fees (in thousands of dollars) for the top 14 universities in a recent year are listed below. Find the mean, median, and mode of the data, if possible. If any of these measures cannot be found or a measure does not represent the center of the data, explain why. 44 42 39 42 46 44 47 44 44 35 42 46 46 44 Find the mean cost. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. 000 A. The mean cost is 43.2. (Round to one decimal place as needed.) B. There is no mean cost. Does the mean represent the center of the data? A. The mean represents the center. B. The mean does not represent the center because it is the smallest data value. OC. The mean does not represent the center because it is the largest data value. D. The mean does not represent the center because it is not a data value. OE. There is no mean cost.
Find the mean, median, and mode of the data, if possible. If any of these measures cannot be found or a measure does not represent the center of the data, explain why. A sample of seven admission test scores for a professional school are listed below. 11.1 , 10.7 , 10.4 , 9.5 , 11 , 9.5 , 11.4 What is the mean score? Select the correct choice below and fill in any answer box to complete your choice. A. The mean score is= (Round to one decimal place as needed.) B. There is no mean score. What is the median score? Select the correct choice below and fill in any answer box to complete your choice. A. The median score is= (Round to one decimal place as needed.) B. There is no median score. What is the mode of the scores? Select the correct choice below and fill in any answer box to complete your choice. A. The mode(s) of the scores is (are)= (Use a comma to separate answers as needed.) B. There is no mode.
State whether one would expect the data set described below to be normally distributed. Explain why or why not. The genders of 1,000 randomly selected adults
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The NAEP music assessment scores for eighth grade students are approximately N (150, 35). Find the z-scores by standardizing the following scores: 150, 140, 100, 180, and 230. The percentile score is the proportion of students who would score LESS THAN OR EQUAL TO the score for the individual student. Compute the percentile scores for the five scores.
The first picture is the question and the second is the ones that I need help with. Thanks
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Out of 57 high school female athletes, data was collected on how much they were able to bench press. From this data we get x=79.9,Q1=70, Q2=80, and Q3=90. Determine if the data distribution is skewed or symmetric. Give 2 reasons to back up your answer.
A data set has five values. The largest value is 31. The median is 21. The mode is 16. The mean is 21.2. The data, in order from least to greatest is:

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