A facility is breeding animals and keeping records of the number of new-born to each animal during thefirst five years of animal's life span. The results are presented below:Number of animal 4 19 41 52 26 8Number of new-born 0 1 2 3 4 5a) Test whether the binomial distribution is an adequate model for the data.b) Test whether the binomial distribution with p = 0.5 is an adequate model for the data.Note: The data in the table read as follows: there are 4 animals with 0 new-borns over the course ofanalysis period (i.e, fice years). Similarly, there are 19 animals, which gave birth only once; 41 animalsgave birth twice during the analysis period etc.

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Answered: A facility is breeding animals and…

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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A middle school teacher believes that a reading rewards program results in a higher number of pages read per year after the program is completed. The teacher chooses a simple random sample of students and records the number of pages read per year before starting the program and after the program is completed. The results of the study are below. What are the population parameters? Pick Mean Variance Observations Hypothesized Mean Difference df t Stat P(T<=t) one-tail t Critical one-tail P(T<=t) two-tail t Critical two-tail Confidence Level Before 813.25 192250.25 182875.22 100 100 0 198 1.497 0.068 1.653 0.136 1.972 95% After 904.95 What is the level of significance? Ex: 0.12 Is the two-sample hypothesis test a paired or unpaired t-test? Pick The null hypothesis is Ho: after Pick The alternative hypothesis is Ha : Mafter Pick Should Ho be rejected or does Ho fail to be rejected? Pick What conclusion can be drawn from the data? Pick Mbefore before ✓evidence exists to support the claim…
Within-group variability reflects a. random, individual differences b. error variance c. pooled variance d. the effect of the independent variable
Part I A bakery sells homemade bread by the loaf and sales are uniformly distributed between 200 and 600 loaves per day. a. Find the probability of selling 240 loaves on a given day. b. Find the probability of selling between 250 and 260 loaves per day Part II The golf balls produced by TruGolf have a mean distance of 250 meters and a variance of 625 meters. c. How large a sample of TruGolf balls should be taken if they want to estimate with 90% confidence the mean distance to within 8 meters? d A random sample of 40 balls from TruGolf are selected. Find the Bound of Error when the confidence level is 95% for TruGolf
According to Benford's Law, a variety of different data sets include numbers with leading (first) digits that follow the distribution shown in the table below. Test forgoodness-of-fit with Benford's Law. Leading Digit 1 2 3 4 5 6 7 8 9 Benford's law: distribution of leading digits 30.1% 17.6% 12.5% 9.7% 7.9% 6.7% 5.8% 5.1% 4.6% When working for the Brooklyn District Attorney, investigator Robert Burton analyzed the leading digits of the amounts from 784 checks issued by seven suspect companies. The frequencies were found to be 0, 12, 0, 73, 482, 186, 8, 23, and 0, and those digits correspond to the leading digits of 1, 2, 3, 4, 5, 6, 7, 8, and 9, respectively. If the observed frequencies are substantially different from the frequencies expected with Benford's Law, the check amounts appear to result from fraud. Use a 0.05 significance level to test for goodness-of-fit with Benford's Law. What is the value…
The age of first marriage for women who responded to a survey by the CDC between 2006 and 2010 is used here. The women who first married in their twenties were randomly divided into three groups: A, B, and C. The ANOVA output is supplied below: Count NAS (Missings) 3773 group Count A 1288 B 1246 C 1239 Frequency Source DF 2 group Residual 3770 28 26 24 Response Variable (age) Summary Mean 22 20 T 0 Group Variable Summary NAS Mean (Missings) 23.73787 A 0 23.76941 0 23.77929 0 23.66344 ANOVA Table: age-group Sum of Squares 10.283 26969 Mean Square Std. Dev. Std. Dev. 2.674442 B F Value Pr>F MSG 0.71875 0.48743 MSE Age of First Marriage in 20's 2.728097 2.664101 2.628699 C
Thirty percent of the students in a class of 100 are planning to go to graduate school. The Variance of this binomial distribution is: A. 16 B. 21 C. 25 D. 36 Cat
5.Stocks and Mutual Fund Ownership It has been found that 51.4% of U.S. households own stocks and mutual funds. A random sample of 300 heads of households indicated that 178 owned some type of stock. At what level of significance would you conclude that this was a significant difference? Use the P-value method. Assume the variable normally distributed. Use a graphing calculator. Find the P-value. At what level of significance is this a significant difference?
For the data below construct the frequency distribution table with 5 classes and after that find: 1) Mean 2) Median 3) Mode 4) Variance 5) Standard deviation 23 30 20 27 44 26 35 20 29 29 25 15 18 27 19 22 12 26 34 15
Chapter 13 Assignment Hint(s) Check My Work 13 remaining) 2. To study the effect of temperature on yield in a chemical process, fve batches were produced at cach of three temperature levels. The results follow. 4. Temperature 5. 50°C 70°C 34 33 22 6. 24 34 27 36 37 27 39 26 29 32 30 30 Construct an analysis of variance table (to 2 dedmais but p-value to 4 decimals, if necessery). Source of Varlation Sum of Squares Degrees of Freedom Mean Square p-value Truatments Error Total 14 Use a 0.06 level of significonce to best whether the tempereture kvel hes an effect on the mean yiekd of the process. Calcu ate the value of the test stacistic (to 2 decimals). The p-value is batwoon D.01 and 0.02s What is your condlusion? De not reject the unptien thwt the men yieldu for the three bernperstures eequw
A,b,c
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