1) For the following sample:

7, 9, 8, 5, 12, 2, 1, 9, 9, 12, 4, 6

1a) Determine the mean, median and mode

1b) Determine the five number summary and create the box plot

1c) Determine the range, variance and standard deviation

2)If a population has a mean of 298 and a standard deviation of 43. Determine the z score for the following raw scores: a) 352 b)274 c) 211

3)For a population with a mean of 250 and a standard deviation of 42, convert each of the following z scores to raw scores: a) 0.52 b) 1.47 c) -1.00

4)determine the following percentages for a z score of 0.90 (Round your answers to 2 decimal places)

1. The percentage of scores fall below this z score.
2. The percentage of scores fall between the mean and this z score.
3. The percentage of scores above this z score.