Sandra has 28 fish in her water garden. Twenty-two of her fish are goldfish and 6 are Japanese koi. Express the part of Sandra's fish that
are goldfish as a decimal. Round the decimal to the nearest hundredth.
a. 0.84 b. 0.21 c. 0.79 d. 0.73 Explain

If your score on your next statistics test is converted to a z score, which of these z scores would you prefer: minus2.00, minus1.00, 0, 1.00, 2.00? why? a. the z score of 2.00 is most preferable because it is 2.00 standard deviations above the mean and would correspond to the highest of the five different possible test scores. b. the z score of 0 is most preferable because it corresponds to a test score equal to the mean. c. the z score of minus2.00 is most preferable because it is 2.00 standard deviations below the mean and would correspond to the highest of the five different possible test scores. d. the z score of minus1.00 is most preferable because it is 1.00 standard deviation below the mean and would correspond to an above average