Independent random samples of newly completed apartments infour regions of a country yielded the data on monthly rents,in dollars, given to the right. At the 5% significance level, do thedata provide sufficient evidence to conclude that a differenceexists in mean monthly rents among newly completed apartmentsin the four regions?RegionRentNortheast 1011 909 943 1153 1220MidwestSouthWestClick here to view page 1 of the F-distribution. Click here to view page 2 of the F-distribution.Click here to view page 3 of the F-distribution. Click here to view page 4 of the F-distribution.Now conduct a one-way ANOVA test on the data. What is the F-statistic?F== (Round to two decimal places as needed.)Determine the critical value.Fα ==(Round to two decimal places as needed.)878 785 718 802 731 599890 657 830 10471010 1027 1076 904 1233Since the F-statisticin the rejection region,evidence to conclude that the population means are not all the same.Ho. The dataTime Remaining: 01:40:00▼sufficientNextD

The data shows the rents of newly completed apartments in the four regions.

Answered: Independent random samples of newly…

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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The work week for adults in the US that work full time is normally distributed with a mean of 47 hours. A newly hired engineer at a start-up company believes that employees at start-up companies work more on average then most working adults in the US. She asks 12 engineering friends at start-ups for the lengths in hours of their work week. Their responses are shown in the table below. Test the claim using a 5% level of significance. Give answer to at least 4 decimal places. Hours 46 49 58 55 49 68 45 48 46 45 51 50 What are the correct hypotheses? H0: hoursH1: hours Based on the hypotheses, find the following:Test Statistic=p-value= The correct decision is to . The correct summary would be: that the mean number of hours of all employees at start-up companies work more than the US mean of 47 hours.
Use the attached table to answer the following: What is the dependent (response, outcome) variable? What is the independent (explanatory) variable? Describe the pattern of association between subjective class and satisfaction with financial situation.
what is the answer?
The average retirement age in America is 64 years old. Do small business owners retire at a younger average age? The data below shows the results of a survey of small business owners who have recently retired. Assume that the distribution of the population is normal. 63, 54, 69, 69, 53, 53, 71, 51, 61, 60, 69, 54 What can be concluded at the the a = 0.01 level of significance level of significance? a. For this study, we should use t-test for a population mean b. The null and alternative hypotheses would be: Но: μν H1: c. The test statistic t (please show your answer to 3 decimal places.) d. The p-value = (Please show your answer to 4 decimal places.) II
Describe the importnat features of the distribution by identifying the mode, overall shape, and outliers. a. Which measure of center (mean or median) and which measure of variability (Standard deviation or IQR) would be best to describe the distrubution and why?
Is there an association between party affiliation and gender? The accompanying data represent the gender and party affiliation of registered voters based on a random sample of 807 adults. . Question content area bottom Part 1 (a) Construct a frequency marginal distribution. Gender Political Party Female Male Frequency Marginal Distribution for Gender Republican 110 115 enter your response here Democrat 150 103 enter your response here Independent 150 179 enter your response here Frequency Marginal Distribution for Political Party enter your response here enter your response here enter your response here
(b) Suppose that the measurement 37 (the largest measurement in the data set) were replaced by 69. Which measures of central tendency would be affected by the change? Choose all that apply. Mean Median Mode O None of these measures
What is the slope of the median median line for the dataset in this table?
In 2022, Los Angles Times reported that the mean fare to fly from San Francisco to Los Angeles, on a discount ticket was around $360. A random sample of round-trip discount fares on this route last month is provided below: At the 0.05 significance level, can we conclude that the mean fare has increased? Amount 390 386 390 430 410 350 370 380 399 365 391 375 381 400 389 410 398 358 421 398
a. (True or False) The weekly consumption of favorite beverages from this survey hasapproximately a normal distribution, explain your decision. b. Based on the histogram, which one is greater: mean or median? Explain why.c. Which summary statistic would be a better representation of the center for this sample:mean or median?
1. Perform the Two-Sample Test for Mean with paired samples for the following: Driving distance and Average Score 2. Perform the One-Way Anova test for all the attributes (variables). 3. Perform the correlation analysis for Golfing Statistics data.

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