5.42 Shell lengths of sea turtles. Refer to the Aquatic Biology(Vol. 9, 2010) study of green sea turtles inhabiting theGrand Cayman South Sound lagoon, Exercise 2.85 (p. 69).Researchers discovered that the curved carapace (shell)length of these turtles is approximately normally distrib-uted with mean 55.7 centimeters and standard deviation11.5 centimeters.a. The minimum and maximum size limits for capturedturtles in the legal marine turtle fishery are 40 cm and60 cm, respectively. How likely are you to capture agreen sea turtle that is considered illegal?NW b. What maximum limit, L, should be set so that only10% of the turtles captured have shell lengths greaterthan L?

The normal distribution is symmetric about its mean value and it has bell shaped curve. A normal…

Answered: Shell lengths of sea turtles. Refer to…

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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In its Fuel Economy Guide for 2016 model vehicles, the Environmental Protection Agency gives data on 1170 vehicles. There are a number of high outliers, mainly hybrid gas-electric vehicles. If we ignore the vehicles identified as outliers, however, the combined city and highway gas mileage of the other 1146 vehicles is approximately Normal with mean 23.0 miles per gallon (mpg) and standard deviation 4.9 mpg. Exercises 3.35 through 3.38 concern this distribution 3.37: The middle half. The quartiles of any distribution are the values with cumulative proportions 0.25 and 0.75. They span the middle half of the distribution. What are the quartiles of the distribution of gas mileage?
Consider full-time community college students as an observational unit. a) Come up with one categorical and one quantitative variable related to a full-time community college student. [You CANNOT use AGE, HEIGHT, GENDER, MAJOR]. b) Considering your categorical variable from part a), name three types of graphical displays you can use to represent that variable. c) Come up with one quantitative variable for a community college student that would have a distribution that is SKEWED RIGHT or SKEWED LEFT.
13 abc
AFDA Main Ideas: Module 9 Review 1) The measures of center: 2) Measures of spread: 3). When describing a data set, the mean is used with used with 4) Z-scores are used to compare data that is 5). What is the formula for finding the z-score? 14 6). The z-score of the mean is always z = 7). What are the characteristics of a normal distribution? and and and the median is 8). What two characteristics make a distribution go from "normal" to "standard normal?"
Which of the following statistics are unbiased estimators of the population parameter? Select all that apply. A) Sample mean B) Sample proportion C) Sample range
A developmental psychologist is interested in studying how long babies gaze at a photograph of a human face. To test this question, she shows a picture to a sample of six babies and records the length of their gaze in seconds. The data are as follows: 12, 17, 18, 20, 20, 29. Calculate the mean, median, mode, range, variance and standard deviation for the sample.
The following sample data give the flexural strength (MPa) for concrete beams of a certain type. 7.3, 6.3, 6.8, 7.0, 7.6, 6.8, 7.0, 6.3, 7.9, 9.0, 7.8, 9.7, 7.8, 11.6, 11.8, 10.7 Calculate a point estimate of the mean value of strength for the conceptual population of all beams manufactured in this fashion, and give the estimator you used. O Etr(6.25) = 8.09 μ. 8.21 * = 8.21 * = 8.14
1.Determines in a table, the average, median and standard deviation of each of the distributions to a variable (age, girl reaction time and boys reaction time).What interpretations can you make of it? A.) For each of the three two-variable distributions, make a graphical representation using a technological tool and calculate the values that can be used to interpret them. B.) Interpret graphic representations and draw conclusions.

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