Attached How badly does logging damage tropical rain forests? One study compared forest plots in Borneo that had never beenlogged with similar plots nearby that had been logged 8 years earlier. The study found that the effects of logging weresomewhat less severe than expected. Here are the data on the number of tree species in 12 unlogged plots and 9 loggedplots.Unlogged: 17 16 16 14 14 19 15 22 18 14 16 13Logged:4 15 14 11 10 12 15 10 13(a) Does logging significantly reduce the mean number of species in a plot after 8 years? Give appropriatestatistical evidence to support your conclusion. (Use a = .05 and conservative degrees of freedom.)Ho: HU -Select-V HLHa: Hu -Select---Tn へP-value =ConclusionO There is significant evidence that logging reduces the mean number of species in a plot after 8 years.O There is no evidence that logging significantly reduces the mean number of species in a plot after 8years.(b) Give a 95% confidence interval for the difference in mean number of species between unlogged and loggedplots.lower boundupper bound

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Description: Attached How badly does logging damage tropical rain forests? One study compared forest plots in Borneo that had never beenlogged with similar plots nearby that had been logged 8 years earlier. The study found that the effects of logging weresomewhat

Test statistic: (x1 – x2) / sp(√1/n1 + 1/n2) where x1 and x2 are the sample means, n1 and n2 are…

Math

Statistics

(a) Does logging significantly reduce the mean number of species in a plot after 8 years? Give approph statistical evidence to support your conclusion. (Use a = .05 and conservative degrees of freedom.) Ho: HU -Select- v HL Hạ: Hu -Select--- v HL P-value = Conclusion O There is significant evidence that logging reduces the mean number of species in a plot after 8 years. O There is no evidence that logging significantly reduces the mean number of species in a plot after 8 years. (b) Give a 95% confidence interval for the difference in mean number of species between unlogged and logged plots. lower bound upper bound

(a) Does logging significantly reduce the mean number of species in a plot after 8 years? Give approph statistical evidence to support your conclusion. (Use a = .05 and conservative degrees of freedom.) Ho: HU -Select- v HL Hạ: Hu -Select--- v HL P-value = Conclusion O There is significant evidence that logging reduces the mean number of species in a plot after 8 years. O There is no evidence that logging significantly reduces the mean number of species in a plot after 8 years. (b) Give a 95% confidence interval for the difference in mean number of species between unlogged and logged plots. lower bound upper bound

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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Concept explainers

Angles in Circles

Angles within a circle are feasible to create with the help of different properties of the circle such as radii, tangents, and chords. The radius is the distance from the center of the circle to the circumference of the circle. A tangent is a line made perpendicular to the radius through its endpoint placed on the circle as well as the line drawn at right angles to a tangent across the point of contact when the circle passes through the center of the circle. The chord is a line segment with its endpoints on the circle. A secant line or secant is the infinite extension of the chord.

Arcs in Circles

A circular arc is the arc of a circle formed by two distinct points. It is a section or segment of the circumference of a circle. A straight line passing through the center connecting the two distinct ends of the arc is termed a semi-circular arc.

Topic Video

Question

Attached

How badly does logging damage tropical rain forests? One study compared forest plots in Borneo that had never been
logged with similar plots nearby that had been logged 8 years earlier. The study found that the effects of logging were
somewhat less severe than expected. Here are the data on the number of tree species in 12 unlogged plots and 9 logged
plots.
Unlogged: 17 16 16 14 14 19 15 22 18 14 16 13
Logged:
4 15 14 11 10 12 15 10 13
(a) Does logging significantly reduce the mean number of species in a plot after 8 years? Give appropriate
statistical evidence to support your conclusion. (Use a = .05 and conservative degrees of freedom.)
Ho: HU -Select-
V HL
Ha: Hu -Select---
Tn へ
P-value =
Conclusion
O There is significant evidence that logging reduces the mean number of species in a plot after 8 years.
O There is no evidence that logging significantly reduces the mean number of species in a plot after 8
years.
(b) Give a 95% confidence interval for the difference in mean number of species between unlogged and logged
plots.
lower bound
upper bound

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