1. A team of scientists wants to test a new medication to see if it has either a positive or negative effect onintelligence, or no effect at all. A sample of 25 participants who have taken the medication has a mean of150 with a standard deviation of 20.a. Calculate the degrees of freedomb. What is the t-value?c. What is your confidence level?d. What is the confidence interval?e. Plot in a normal distribution graph your answers,Cnitical Values1-tailed0.10.050.0250.010.0052-ailed0.20.19.050.020.013.07776.31812.706231.820563.65671.88562.92004.30276.96469.92481.63772.35343.18244.54075.34091.53322.13182.77643.74694.60411.47592.01502.57063.34494.03211.43981.9432244693.14273.70741.41491.49452.36452.901.39481.85952.30103.35541.38301.83312.26222.82143.2498101.37221.8125222812.76383.1693111.36241.79592.20102.71813.1058121.35621.7823217882.68103.0545131.35021.77092.16042.65033.0123141.34501.76132.1448262452.9768151.34061.75312.13142.60252.9467161.3481.74592.11192.58352.1208171.33341.7362.10142.56692.4982181.33041.73412.10092.55242.8784191.32771.72912.09302.53952.8609a(7 Critical Values1-tailed0.10.050.0250.010.0052-ailed0.20.10.050.020.013.07776.3112.706231.820563.66671.88562.92004.30276.96469.92481.63772.35343.18244.54076.84091.63322.13182.77643.74694.60411.47592.01502.57063.36494.03211.43981.94322.44693.14273.70741.41491.49462.36452.99803.49951.39481.85952.30102.89453.35541.38301.8331226222.82143.2498101.37221.8125222812.76383.1693111.36241.79592.20102.71813.1054121.35621.78232.17882.88103.0645131.35021.77092.16042.66003.0123141.34501.76132.1448262452.9764151.34061.76312.13142.60252.9467161.33481.74592.1192.58352.9208171.33341.7362.10142.56692.8982181.33041.73412.10092.55242.8784191.32771.72912.09302.53952.3609201.32531.72472.08602.52802.3453211.32321.72072.07962.51762.8314221.32121.71712.07392.50832.8188231.31951.71392.06872.49192.4073241.31781.71092.06392.49222.7969251.31631.70812.05952.48512.7874261.31501.70542.06552.47862.7787271.31371.70332.05182.47272.7707

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Answered: 1. A team of scientists wants to test a…

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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