q3 a-d using the formulas provided. please explain how to approach this question

MODULE 5: LINEAR CORRELATION AND SCP r= SS SS REGRESSION SCP = [ x _ XxXx 1, = SE Q3 A market trader s boards for a different fixed price, x ($) in each of the six weeks. He notes the number of skateboards, y, that he sells in each of these SS, = Er_(Xx)' six weeks. The results are shown in the following table 10 15 20 25 35 SE, = =s(n-1) Vn-2 ss, = )y_(Ly) ) Calculate the Pearson correlation coefficient for the above data Is this value significant? =s;(n-1) Q3 A market trader sells skateboards in his stall. He sells the skateboards for a different fixed price, x ($) in each of the six weeks. He notes the number of skateboards, y, that he sells in each of these six weeks. The results are shown in the following table. 60 20 25 32 ) Given that r = -0.9965, come up with a conclusion regarding the correlation between price and number of skateboards sold (1 mark) c) Calculate the value for the coe leans (1.5 marks) Q3 A market trader sells skateboards in his stall. He sells the skateboards for a different fixed price, x ($) in each of the six weeks. He notes the number of skateboards, y, that he sells in each of these six weeks. The results are shown in the following table. , = Bix, + Bo 10 60 20 25 35 d) This relationship was found to be significant (p