Two candy stores are offering free same-sized candy bars to groups of friends. A group of six friends went to Sweet Dreams and received four candy bars to share. A group of seven friends went to Sugar Shack and received five candy bars to share. Both groups shared the candy bars equally among their members.

Each member in the group that went to the candy store named

received a larger portion of a candy bar because each member in the group got

of a candy bar.

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

Asurvey of 45 teens found that they spent an average of 25.6 hours per week in front of a screen (television, computer, tablet, phone, based on the survey’s sample mean, which value could be the population mean? 2.3 hours 27.4 hours 75.3 hours 41.5 hours

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