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3. Height vsArm Span. According to Leonardo da Vmci, the ideal dimensions of a human are when their height equalled their arm . span (as shown by the Wauviau Mon drawing, at right). Note that this is NQI a causal relationship, so we will simply let x be height and y be arm span. a) You will be collecting data from an online database called Census at School, compiled by students from all around the world. Here is how you get your data: i. go to censusatschooLca ii. on the right hand side, click on Data and Results iii. at the bottom of the page, click on the link to the New Zealand sampler (EDI the American sampler) iv. click the I AGREE box v. select a sample size of 100, then click the Get my sample button vi. click Download sample button . this will download a .CSV le (which can be opened by Microsoft Excel, OpenOffice Calc, or other major spreadsheet programs) b) After downloading the data, either select only the data you want (height, arm span), or 'copy- and-paste' the desired data into your chosen technology. Note that everybody's data will be different! I If there are any values that are OBVIOUSLY wrong, you will need to delete BOTH values. c) Analyze the data {as described on the previous page). There is M you can do these calculations by hand, with 100 data points! d) Is there a relationship between height and arm span? Use mathematical tools and measures in your