In the "Quiz_dataset1.xlsx" dataset, which is the correlation between the house price and its area:Select one:a. 0b. 0.71c. 0.777d. None of the above Price840000822000713000689000685000645000625000620000587500585000583000569000546000540000537000516000511000510000495000463000457000451000435000431700414000401500399000380000380000375900372000367500356500330000330000307500Sqft27682500240022002716252427322436210019472224326217921488290719511752172716921714165016851500189611821152138313441272227510051272143113621465850Beds443333443334333433333332234435232331Baths3.52.532.53.5in w5i22.53.51.51.52.5221.52.521.5222221.51.51.511211112111Col111111011110000111000010000000001000

Given : From table ; Find the correlation between the house price and its area: Area is given in…

Answered: Price 840000 822000 713000 689000…

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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Refer to the following: For countries listed in the Human Development Report, the correlation between the percent of people using the Internet and per capita gross domestic product (GDP) is 0.888. The correlation (r) between the percent of people using the Internet and the percent using cell phones is 0.818. The correlation between the percent of people using the Internet and the literacy rate is 0.669. The correlation between the percent of people using the Internet and the fertility rate is -0.551. Which variable (GDP, percent using cell phones, literacy rate, or fertility rate) has the strongest linear association with Internet use? Which variable has the weakest linear association with Internet use?
The following data lists heights (in cm) of 10kids at a pediatrician's office:151, 139, 138, 137, 153, 148, 156, 161, 144, 168 In what percentile is the child who's height was 144cm? Percentile rank =
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Use the following information to answer the question. Many couples believe that it is getting too expensive to host an "average" wedding in the United States. According to the website www.costofwedding.com,theaveragecostofaweddingintheU.S.in 2009 was $24,066. Recently, in a random sample of 40 weddings in the U.S. it was found that the average cost of a wedding was $23,224, with a standard deviation of $2,903. On the basis of this, a 9 5% confidence interval for the mean cost of weddings in the U.S. is $22,296 to $24,152. Does the confidence interval provide evidence that the mean cost of a wedding has decreased? Explain your reasoning.
Enrique wishes to determine if there is a linear correlation between the age of a driver and the death rate for car crashes. The following table represents the age of a driver and the death rate of drivers for car crashes in the same age category per 100 Million Miles Driven. Use a significance level of a = 0.05. Do not round between calculation steps; only round final answers. Driver's Age (x) 17 21 30 32 35 36 47 63 74 Death Rate (y) 5.6 6.6 5.9 5.1 5 5.6 4.9 4.1 3.7 10 10 20 30 40 60 70 90 100 50 Driver Age 80 Death Rate
If correlation does not imply causation, what does it imply?
A study was undertaken to see how accurate food labeling for calories on food that is considered reduced calorie. The group measured the amount of calories for each item of food and then found the percent difference between the measured and labeled amount of calories. The group also looked at food that was nationally advertised, regionally distributed, or locally prepared. Do the data indicate that at least one of the mean percent differences between the three groups is different from the others? The data summarized in the table below. National 3.15 Regional 36.75 Local Mean Standard Deviation Source Between Within 151 Total Fill in the hypotheses below: Ho: All the means are equal. Ha: At least one mean is different from the others. 7.4359 14.1558 SS 70.0204 Part 2 of 3 Complete the following ANOVA summary table (a 0.10). Round your answers to three decimal places, if necessary, and round any interim calculations to four decimal places. Sample Size df 20 12 8 MS - F P-value
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In a typical set of numerical data, what fraction of the data values lie above Q3?
Determine the interquartile range of the following data: 155, 134, 153, 119, 89.
A study was undertaken to see how accurate food labeling for calories on food that is considered reduced calorie. The group measured the amount of calories for each item of food and then found the percent difference between the measured and labeled amount of calories. The group also looked at food that was nationally advertised, regionally distributed, or locally prepared. Do the data indicate that at least one of the mean percent differences between the three groups is different from the others? The data is summarized in the table below. National Mean Standard Deviation Sample Size Local -2.1 Regional 27.1667 143.125 Fill in the hypotheses below: Ho: Select an answer Ha: Select an answer 10.3257 20.797 53.5922 20 12 8
A researcher wants to analyse whether there is a relationship between country of origin of International students in Sydney and the suburb they currently live in. Suggest data collection approach for the researcher.

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