IB Questionbank Test - Buffalo Public Schools

The results are shown in the table. Use your graphic display calculator to write down , the mean project mark. 1b. [1 mark] Use your graphic display calculator to write down , the mean examination score. 1c. [2 marks] Use your graphic display calculator to write down . r , Pearson’s product–moment correlation coefficient. 1d. [2 marks] ................
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