1. Fill out and use the following table to calculate the mean lifespan of thispopulationAge Range0-1011-2021-3031-4041-5051-6061-70Mean LifespanAge Midpoint51525354555Section65dx302520151051lifespan

Answered: Section 1. Fill out and use the…

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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We are interested in the number of years students in a particular elementary statistics class have lived in Maryland. The information in the following table is from the entire section. Number of years Frequency 7 14 16 15 20 2 21 32 1 What is the mean number of years? Please report your answer to two decimal places.
QUESTION 1 The U.S. Mint produces approximately 13 billion pennies a year. A random sample (n-800) of pennies were collected and their minted years were recorded. The output, histogram, box-plot, and QQ plot for the distribution of the years of production for the pennies can be found on the attached document. PenniesNormalitylnformation 200405.pdf The mean is only slightly less than the is left skewed. which suggests the distribution 1. histogram v This is within the acceptable range (between -1 and +1). Interquartile range 2. The is also between the acceptable range of -3 and +3. 3. kurtosis v The has only one mode and the tails are approximately equal length. 4. longer 5. median The box and whisker plot shows the median is approximately in the center of the 6. Normal v The left whisker is slightly than the right whisker. 7. QQ Plot v The raw scores hug the theoretical line on the 8. shorter Therefore, there is enough evidence to assume that the data can be considered 9. skewness 10.…
In Table L-1, the total value of imports of Indonesian goods and services from China for the 2010-2019 period is reported on a quarterly basis. With this data you are asked to analyze it with the Trend model and Seasonal Index. Question: a. Calculate a moving average with the average period length of 4 or MA (4) [why four?] And put the results in a column. Beware of selecting the rows to place the average result. b. Calculate the moving average with the length of the average period is 2 from the data in column MA (4) and the result is given the symbol MA (2x4) and the result is placed in a column. Beware of selecting the rows to place the average result. c. Calculate the ratio to the Moving Average (Y / MA (2x4)) and place it in a new column! d. Calculate a seasonal index and interpret the results! e. Create a Deseasonalized data series and place it in a new column! f. Plot the Dessasonalized data series and read the long-term movement patterns of data! Remember that understanding of…
Section 2.1, question 9
Number 101 part A, B, and C
Explain the meaning of the accompanying percentiles. (a) The 5th percentile of the head circumference of males 3 to 5 months of age in a certain city is 41.5 cm. (b) The 80th percentile of the waist circumference of females 2 years of age in a certain city is 49.8 cm. (c) Anthropometry involves the measurement of the human body. One goal of these measurements is to assess how body measurements may be changing over time. The following table represents the standing height of males aged 20 years or older for various age groups in a certain city in 2015. Based on the percentile measurements of the different age groups, what might you conclude? E Click the icop to view the data table for part c. (a) Explain the meaning of "The 5th percentile of the head circumference of males 3 to 5 months of age in a certain city is 41.5 cm." Choose the correct answer below. O A. 95% of 3- to 5-month-old males have a head circumference that is 41.5 cm or less. O B. 5% of 3- to 5-month-old males have a head…

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Section 1. Fill out and use the following table to calculate the mean lifespan of this population Age Range 0-10 11-20 21-30 31-40 41-50 51-60 61-70 Mean Lifespan Age Midpoint 5 15 25 35 45 55 65 dx 30 25 20 15 10 5 1 lifespan