Real estate data were collected in San Luis Obispo Countyfrom August 2014. The following summarize the soldprices of 17 homes that sold in Pismo Beach and 37homes that sold in San Luis Obispo city. Researcherswould like to investigate whether the population meanprice for homes are the same in both locations SLO cityand in Pismo Beach.LocationDeviationPismo BeachSLON1737Mean821221548507Standard396519371599 What is the observational unit?Location of the HomeThe 17 homes in Pismo BeachA homeWhether a home is sold or not

The observational unit in a statistical analysis is the entity that is measured. It is the object or…

Answered: Real estate data were collected in San…

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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compare ihe altenuance al lNe res for a Saturday evening performance. He knows the mean and standard deviations for each theatre's usual attendance. Since the theatres have different seating capacity, he wants to use their relative measure of attendance as the basis for comparison. Using the information in the table below, which theatre has the relatively better attendance for a Saturday evening performance? Goodman Steppenwolf 454 Attendance 417 Mean St.dev. 383 34 438 20 a) What is Goodman's z-score? b) What is Steppenwolf's z-score? c) Which has better attendance?
Draw a bar graph comparing the means and standard deviation of both sexes and label axes. based on the picture bellow:
3. Use the following information about the heights measured in feet of a sample of 40 Ponderosa Pine trees and 40 Eastern White Pine trees. Ponderosa Pine Trees: Mean of 77.5 ft with a standard deviation of 11.55 ft Eastern White Pine Trees: Mean of 67.25 ft with a standard deviation of 10.33 ft Is it more unusual for a Ponderosa Pine tree to have a height of 71 ft or an Eastern White Pine tree to have a height of 71 ft relative to the data of each species of tree? Use z-scores to explain your solution.
4) You are given the following data set: 11, 10, 9, 13, 11, 8, 3, Find the mode, median and mean. What is the standard deviation?
c. Analyzing delivery records for 18 customers from "Jalwa" tailoring company, you found their mean delivery to be 11.53 days with a standard deviation of 4.83 days. Which tailoring company had more variation in their delivery records? Shawapna Tailoring Company OJalwa Tailoring Company O Equal variation OCan not be calculated
a. Develop a hypothesis test that can be used to determine whether the mean annual consumption in Webster City is higher than the national mean. Ho: $21.5 Ha: >21.5 b. What is a point estimate of the difference between mean annual consumption in Webster City and the national mean? (2 decimals) c. At a = 0.01, test for a significant difference by completing the following. Calculate the value of the test statistic (2 decimals). The p-value is Reject the null hypothesis? (4 decimals) Yes v What is your conclusion? Conclude the population mean consumption of milk in Webster City is greater tha
A team of ten (10) construction workers who are working on a project are classified according to the skill levels, Classes A to D. The table below shows the number of workers in each of the four (4) classes and their respective hourly pay-rate. Pay-rate (Rands/hour) Number of workers Class A 80 Class B 60 Class C 55 Class D 50 4. Calculate the mean hourly pay-rate for the 10 workers. A. R24.50/hour B. R57/hour C. R57.50/hour D. R61.75/hour
A mountain climber plans to buy some ropes to use as a lifeline. Which of the following would be a better one? Rope A: with a mean breaking strength of 500 LBS and standard deviation of 100 LBS or Rope B: with a mean breaking strength of 500 LBS and standard deviation of 10 LBS Explain
If the mean speed for a major league fast ball is 90 miles per hour and the standard deviation is 5 miles per hour, what would the standardized score be for a pitch that is 97 miles per hour? O 0.4 4.0 1.4 O 1.0
Real estate data were collected in San Luis Obispo County from August 2014. The following summarize the sold prices of 17 homes that sold in Pismo Beach and 37 homes that sold in San Luis Obispo city. Researchers would like to investigate whether the population mean price for homes are the same in both locations SLO city and in Pismo Beach. Location Deviation Pismo Beach SLO N 17 37 Mean 821221 548507 Standard 396519 371599
2. A mountain climber plans to buy some rope to use as a lifeline. Which ofthe following would be a better choice. Explain your choice. A. Mean breaking strength: 500 lb; standard deviation of 100 lb B. Mean breaking strength: 500 lb; standard deviation of 10 lb
3. The distribution of passenger vehicle speeds traveling on the Interstate 5 Freeway (I-5) in California is nearly normal with a mean of 72.6 miles/hour and a standard deviation of 4.78 miles/hour. a. What percent of passenger vehicles travel slower than 80 miles/hour? What percent of passenger vehicles travel between 60 and 80 miles/hour? B. How fast do the fastest 5% of passenger vehicles travel? C. The speed limit on this stretch of the I-5 is 70 miles/hour. Approximate what percentage of the passenger vehicles travel above the speed limit on this stretch of the I-5.

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