Include 5 steps to answer part A :) 10. The stimulant Ritalin has been shown to increase atten-tion span and improve academic performance in chil-dren with ADHD (Evans et al., 2001). To demonstratethe effectiveness of the drug, a researcher selects asample of n = 20 children diagnosed with the disorderand measures each child's attention span before and af-ter taking the drug. The data show an average increaseof attention span of Mp = 4.8 minutes with a varianceof s = 125 for the sample of difference scores.a. Is this result sufficient to conclude that Ritalinsignificantly improves attention span? Use a one-tailed test with a = .05.b. Compute the 80% confidence interval for the meanchange in attention span for the population.

1) a researcher selects a sample of n=20 children diagnosed with the disorder 2) The data show an…

ss of the drug, a researcher selects a 20 children diagnosed with the disorder cach child's attention span before and af- Irug. The data show an average increase an of Mp = 4.8 minutes with a variance the sample of difference scores. sufficient to conclude that Ritalin y improves attention span? Use a one- with a = .05. e 80% confidence interval for the mean ttention span for the population.

ss of the drug, a researcher selects a 20 children diagnosed with the disorder cach child's attention span before and af- Irug. The data show an average increase an of Mp = 4.8 minutes with a variance the sample of difference scores. sufficient to conclude that Ritalin y improves attention span? Use a one- with a = .05. e 80% confidence interval for the mean ttention span for the population.

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

Ratios

A ratio is a comparison between two numbers of the same kind. It represents how many times one number contains another. It also represents how small or large one number is compared to the other.

Trigonometric Ratios

Trigonometric ratios give values of trigonometric functions. It always deals with triangles that have one angle measuring 90 degrees. These triangles are right-angled. We take the ratio of sides of these triangles.

Question

Include 5 steps to answer part A :)

10. The stimulant Ritalin has been shown to increase atten-
tion span and improve academic performance in chil-
dren with ADHD (Evans et al., 2001). To demonstrate
the effectiveness of the drug, a researcher selects a
sample of n = 20 children diagnosed with the disorder
and measures each child's attention span before and af-
ter taking the drug. The data show an average increase
of attention span of Mp = 4.8 minutes with a variance
of s = 125 for the sample of difference scores.
a. Is this result sufficient to conclude that Ritalin
significantly improves attention span? Use a one-
tailed test with a = .05.
b. Compute the 80% confidence interval for the mean
change in attention span for the population.

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