# Question: dank has marked the investigation for her math class it...

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Dank has marked the investigation for her math class it is worth 60 marks in total. The investigation is weighed to 30% of students over all , final grade for the unit. So before entering the unit, Nickis halves the total grade given for each submission to convert from a mark out of 69 to a mark of 30

Befoew converting the grades dank calculated the ff. statistics for the investigation grades out of 60 for her class:

Dank Math Class:

-mean grades =46 marks

- standard deviation= 6.2 marks

Determien the statistics below for the scores that are now out of 30:

1. Mean. Enter you answer to the whole number.

2. Standard deviation. Enter your answer to one decimal place.

3. Dank also calculated that the correlation coefficient between her finals students etest results and their investigation results out of 60 was 0.94

Determine the correlation coefficient between etest and investigation results out of 30. Enter you answer to 2 decimal place.

DO IT ASAP