For numbers 8 to 10: Mickey wanted to determine the lethal dose for rat poison. He then observed a random sample of 350 rats equallydivided among seven doses (in grams) of rat poison. The data is given below:Dose (in grams)10152035507090O A. 4.36OB. 4.75O C. 5.10Number of ratsO D. 5.9250505050505050Number of rats killed202627368. Mickey wants to fit a probit model using the data to obtain the LD50. The value of the empirical probit (ye) for the 20 gram dose is354145

Given Information: Consider the given data: Dose Number of rats Number of rats killed 10 50 20…

Answered: For numbers 8 to 10: Mickey wanted 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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r:32. Compute the median weight of the rabbits from the following data: Serial Number: 1 3 4 Weight in gms: 120 150 110 190 160 95.
b) Given P = W²H.If errors up to 2% and 1% are possible in the measured value of W and H respectively, then find the percentage error in the calculated value of P.
a.In an aquaculture study the following variables were measured on each fish: sex. Initial weight (g), bodytemperature (C), weight gain (g). For each variable indicate the scale of measurement. (b) A weed killer is to be applied at a rate of two ounces per 1000gallons of water (2oz/1000gallons). What is the application rate in ml/1000litrtrs if there are 28.375 ml/oz and 4.5liters/gallon? (c) The term test scores of 15 students enrolled in a Business statistics class were recorded inascending order as follows 4, 7, 7, 9, 10, 11, 13, 15, 15, 15, 17, 17, 19, 19, 20. After calculatingthe mean, median and the mode an error is discovered: one of the 15’s is really a 17. Of the threemeasures of central tendency which will change? (d) A student discovers that his grade on a recent test was the 72 nd percentile. If 90 students wrotethe test, then approximately how many students received a higher grade than he did?
ANSWER C AND D ONLY
A mixture of sucrose and water was heated on a hot plate, and the temperature (in °C) was recorded each minute for 20 minutes by three thermocouples. The results are shown in the following table. Time O 1 2 3 4 5 6 7 8 9 71 20 18 29 32 37 36 46 46 56 58 11 10 11231415 167 18 19 20 INR888 gege 64 72 79 84 82 87 98 103 107 103 102 T2 ON 18 22 22 25 37 46 45 44 54 64 69 65 80 74 87 93 90 100 100 103 103 T3 21 11 26 35 33 35 44 43 63 68 62 65 80 75 78 88 91 103 112 107 104 Compute the least-squares line for estimating the temperature as a function of time, using 73 as the value for temperature. (Round the ▼
(6 to 9) The level of cretaine phosphokinase (CPK) in blood samples measures the amount of muscle damage for athletes. At Jock State University, the level of CPK was determined for each of 25 football players and 15 soccer players before and after practice. The two groups of athletes are trained independently. The data summary is as follows : For football players: n=25 Before Practice After Practice Difference (Before-After) Mean 254.73 225.6 29.13 Standard deviation 115.5 132.6 21.00 For soccer players: n=15 Before Practice After Practice Difference (Before-After) Mean 177.1 173.8 3.3 Standard deviation 60.7 64.4 6.88 Assume that all the data above are normal, use the information above to answer problem (7) Construct a 95% Confidence Interval for the difference in mean CPK values for football players BEFORE and AFTER exercises.
Amxkfoeowzmxnd......akzeowowjakqka Answer only H-P
Given μ=25and σ=4.8,what would be the x-value for the ninety-fifth percentile?
A researcher is testing Xanax and uses a focus group where individuals are assigned to one of two groups and different doses of Xanax. He then gets the participants to learn a list of 20 numbers and three days later sees how many they can recall. In the experiment the dependent measure is simply the number of numbers recalled by each participant. What type of variable is this? a. Nominal b. Ratio c. Interval d. Ordinal
The specific laboratory are being used to perform chemical analysis. Samples of the same material are sent to the laboratories for analysis as part of the study to determine whether or not they give, on the average, the same result. The analytical results are as follows:- Lab results 58.7-61.9 62.0-65.2 65.3-68.5 68.6-71.8 71.9-75.1 f 4 5 13 9 4 What is the Modal values of the laboratory?

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