Please help me solve this. Thank you. (answers for highlightedparts)
The manager of a seafood restaurant was asked to establish apricing policy on lobster dinners. Experimenting with pricesproduced the following data:

X=Price 6 6.5 6.75 7 7.25 7.5 Y=Sales 200 190 188 180 170 162 160 155 156 148 140 133 8.25 8.5 8.75 9.25 Totals: a) Determine the correlation coefficient and interpret it. 12
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