One hundred teachers attended a seminar on mathematical problem solving The attitudes of a representative sample of 12 of the teachers were measured before and after the seminar The differences between their pre seminar scores and post seminar scores are shown below 6 6 10 5 3 288 2 2 4 5 (a) What...

To calculate the range and standard deviation of the scores well use the following steps a To find t ...

One hundred teachers attended a seminar on mathematical problem solving. The attitudes of a representative sample...

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One hundred teachers attended a seminar on mathematical problem solving. The attitudes of a representative sample...

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