Suppose the following table was generated from the sample data of 20 campuses relating the total number of crimes committed to the number ofpolice officers on campus and if the college or university is public.CoefficientsStandard Errort StatP-ValueIntercept584.29785114.01283841.6973240.000000Number of Officers-7.6841050.463427- 16.5810470.000000Public (1 if public, O otherwise)- 52.4737155.408220-9.7025850.000000Step 1 of 2: In this regression equation, what is the intercept value for colleges or universities that are private? Enter your answer in the spaceprovided. Do not round your answer. Suppose the following table was generated from the sample data of 20 campuses relating the total number of crimes committed to the number ofpolice officers on campus and if the college or university is public.CoefficientsStandard Errort StatP-ValueIntercept584.29785114.01283841.6973240.000000Number of Officers-7.6841050.463427- 16.5810470.000000Public (1 if public, O otherwise) - 52.4737155.408220-9.7025850.000000Step 2 of 2: In this regression equation, what is the intercept value for colleges or universities that are public? Enter your answer in the spaceprovided. Do not round your answer.

1. In this case, the total number of crimes is the dependent variable, the number of officers and if…

Answered: Suppose the following table was…

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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13. Twenty-five students were randomly selected and asked “How many hours of TV did you watch this weekend?" The sample mean for the data is = 5 hours. The dotplot below shows the distribution of the sample mean hours of TV watched for 500 random samples of size 25 taken with replacement from the original sample. (a) Use the results of the simulation to approximate the margin of error for the estimate of the mean number of hours of television watched. (b) Interpret the margin of error. 4.5 Simulated sample mean 5.5 Distribution of Simulated Mean #samples mean SD 500 4.969 0.288
There are 2000 persons living in a certain locality whose monthly income is normallydistributed with mean 800 and variance 22500. Find the number of persons whose income is:(i) Above 1200(ii) Below mean(iii) Between 300 and 1200(iv) Outside the range, 300 and 1200
6. A kinesiologist wanted to examine the effects of temperature and humidity on exercise performance. Each participant was asked to walk on a treadmill at a normal pace for 60 minutes, and the kinesiologist recorded the distance walked (miles). She assigned participants to one of 4 conditions that varied in temperature (normal or high) and humidity (normal or high). Mean distance walked by the four groups are shown in the table below. Assume a = .05 and Tukey HSD = 0.39. Normal temperature High temperature Normal humidity M = 3.00 M = 2.80 High humidity M = 2.80 M = 2.00 Complete the following conclusion: The factorial ANOVA revealed significant main effects of temperature [F (1, 24) = 25.00, p<.05] and humidity [F (1, 24) = 19.65, p<.05] and a significant Temperature x Humidity interaction [F (1, 24) = 9.25, p < .05].
Suppose the following table was generated from the sample data of 2020 campuses relating the total number of crimes committed to the number of police officers on campus and if the college or university is public. Coefficients Standard Error t Stat P-Value Intercept 602.691839602.691839 18.76336018.763360 32.12067832.120678 0.0000000.000000 Number of Officers −8.400063−8.400063 0.6195730.619573 −13.557826−13.557826 0.0000000.000000 Public (1 if public, 0 otherwise) −46.038506−46.038506 7.4066897.406689 −6.215801−6.215801 0.0000090.000009 Step 2 of 2 : In this regression equation, what is the intercept value for colleges or universities that are public? Enter your answer in the space provided. Do not round your answer
given this data, what will be the most appropriate way to present them?
15. Research results suggest that IQ scores for boys Plomin, 2006). A typical study looking at 10-year-old are more variable than IQ scores for girls (Arden & size would be reported in a journal article. children classifies participants by gender and by low. average, or high IQ. Following are representing the research results. Do the data indicate a significant difference between the frequency distri- butions for males and females? Test at the .05 level of significance and describe the difference. hypothetical data 1 IQ Low Average High Вoys 18 42 20 80 Girls 12 54 14 80 n = 160 Int Ava
Number 16
An expert reviews a sample of 10 scientific articles and records the following number of errors in each article: 0, 4, 2, 8, 2, 3, 1, 0, 5,7. Compute the mean, SS, variance, and standard deviation for this sample using the computational formula.
26) A phycologist is interested in determining the proportion of algae samples from a local rivulet that belonged to a particular phylum. A random sample of 50 algae was obtained and each alga was categorized as either being cyanobacteria or not. It was found that 38 were, in fact, cyanobacteria. a) The proportion p that was cyanobacteria isA. 38B. 0.38C. 0.5D. 0.76E. 50 b) (Continue from the previous question),What is the standard error of the proportion p, i.e. S.E.(p), that were cyanobacteriaisA. 0.0036B. 0.0604C. 0.0684D. 0.1824E. None of the above
1. Kindly help me to answer this problem with complete solution. Thank you’
Suppose I want to sample the household incomes for EBR parish. Let's say I start with a simple random sample of 100 residents and calculate the sample mean. How would the sampling distribution of change if I increase the sample size to 1,000 residents?
10. A random sample of nine telephone calls in an office provided the following information. Duration Call Number (In Minutes) Туре of Call 1 local 8 long distance 3 4 local 4 3 local 5 5 long distance local 3 local 8 5 local 8 local (a) Determine the point estimate for the average duration of all calls. (b) Determine the standard error of the mean. (c) What is the point estimate for the proportion of all calls that were long distance? (d) Determine the standard error of the proportion. 3. 6 7

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