The cookie is used to store the user consent for the cookies in the category "Analytics". This cookie is set by GDPR Cookie Consent plugin. These cookies ensure basic functionalities and security features of the website, anonymously. Secchi disk graph full#Since the solution to 10AYU from 11.2 chapter was answered, more than 485 students have viewed the full step-by-step answer.Necessary cookies are absolutely essential for the website to function properly. The full step-by-step solution to problem: 10AYU from chapter: 11.2 was answered by, our top Statistics solution expert on 04/03/17, 08:02AM. Fundamentals of Statistics was written by and is associated to the ISBN: 9780321838704. This textbook survival guide was created for the textbook: Fundamentals of Statistics, edition: 4. Does this visual evidence support the results obtained in part (b)?” is broken down into a number of easy to follow steps, and 177 words. She obtains the following results:Observation12345678Date5/116/76/247/87/278/319/3010/12Initial depth, Xi3858657456365652Depth 5 years later, Yi5260727254485860(a) Why is it important to take the measurements on the same date?_(b) Does the evidence suggest that the clarity of the lake is improving at the ? = 0.05 level of significance?Note: A normal probability plot and boxplot of the data indicate that the differences are approximately normally distributed with no outliers._(c) Draw a boxplot of the differenced data. She takes measurements at the same location on eight dates during the course of a year and repeats the measurements on the same dates 5 years later. An environmental biologist is interested in determining whether the water clarity of the lake at Joliet Junior College is improving. The measurement is an indication of water clarity. The disk is lowered into water and the depth (in inches) at which it is no longer visible is recorded. The answer to “Secchi Disk A Secchi disk is an 8-inch-diameter weighted disk that is painted black and white and attached to a rope. This expansive textbook survival guide covers 51 chapters, and 2146 solutions. This full solution covers the following key subjects: disk, depth, Water, clarity, measurements. > select data - t-test(two sample for means) We subtract the clarity at initial depth (x) from the clarity of depth after 5 years Using the same dates it is easier to remember to take samples.ī) the claim is that the clarity of the lake is increased compared to initial depth. She takes measurements at the same location on eight dates during the course of a year and repeats the measurement on the same dates 5 years later Does this visual evidence support the results obtained in part (b)?Īn environmental biologist interested in determining whether the water clarity of the lake at Joliet Junior College is improving. (c) Draw a boxplot of the differenced data. Note: A normal probability plot and boxplot of the data indicate that the differences are approximately normally distributed with no outliers. (b) Does the evidence suggest that the clarity of the lake is improving at the α = 0.05 level of significance? (a) Why is it important to take the measurements on the same date? Secchi Disk A Secchi disk is an 8-inch-diameter weighted disk that is painted black and white and attached to a rope.
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