A publisher wants to estimate the mean length of time (in minutes) females spend reading fashion magazines aweek. To determine this estimate, the publisher takes a random sample of 30 females and asks how long theyspend reading fashion magazines a week. Given the descriptive statistics below, answer the following questions.Length of time (in minutes)Мean45Median35Standard Deviation12MinimumМаximum180Q120Q235Q390Count30 B. Using the descriptive statistics above, find the sample variance.

Measure of central tendency measures the central or average value of a dataset. Measures of…

Answered: Using the descriptive statistics above,…

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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Consider the data set 9 6 2 6 7 2 7 1 4 8 9 Find the average (mean): Find the median:
Consider a data set: 1, 2, 5, 6, 7, 6. Find the range, variance, and standard deviation for this data set Please answer quickly
Find the (a) mean, (b) median, (c) mode, (d) midrange, (e) range, (f) variance, and (g) standard deviation. Please label your answers with a-g. The data that is shown below states the number of cookies each student ate at the bake sale. 1,1,2,3,5,3,5,7,3,3 Upload
QI. Define the Statistics.
The midterm and final exam grades for a statistics course are provided in the data set below. Jaymes, a student in the class, scored 86 on both exams. Treat the given data sets as samples. Midterm: 80, 78, 85, 82, 79, 79, 78, 86, 80, 84, 78, 84, 80, 84, 81, 78, 81, 82, 78, 84 Final: 81, 88, 68, 69, 69 81, 82, 86, 76, 71, 72, 68, 77, 86, 68, 83, 84, 71, 81, 87 z-score for midterm: 1.857 z-score for final: 1.181 Based on the z-scores calculated above, which of Jaymes's grades is more unusual, the midterm grade or the final exam grade? Select the correct answer below: A. The absolute value of the z-score for the final exam grade is greater than for the midterm grade, so the final exam grade is more unusual. B. The absolute value of the z-score for the midterm exam grade is less than for the final grade, so the midterm grade is more unusual. C. The absolute value of the z-score for the midterm exam grade is greater than for the final grade, so the midterm grade is more…
In Exercises, we have provided simple data sets for you to practice the basics of finding a a.population mean.b.population standard deviation.1, 2, 4, 4
A population of grades for a statistics class of six students is given below: 71,63,68,80,85,82 Find the variance for this population. Population Variance =
Use the Student Unit Load data. Student Unit Load 3, 12, 6, 9, 6, 12, 15, 12, 7, 9, 3 Find the mean, median, mode, range, standard deviation and variance. Use the range rule-of-thumb to find significantly high and low scores. Write the 5-number summary. Find the z-score for x = 15 Is x = 15 unusual in terms of a z-score?
find an example of when statistics were misused/skewed and state the reason why you think the statistics were reported that way.
Find the variance for the following data 72,62,52,45 Round to three decimal places
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In Exercise, we have provided simple data sets for you to practice the basics of finding measures of variation. For each data set, determine the a.range.b.sample standard deviation. 3, 5, 7

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