Problem 13 Sampling Methods [5 points] To determine monthly rental prices of apartment units in the San Francisco area, samples were constructed in the following ways. Categorize each sampling technique described. circle answer a. Number all the units in the area; then use a random-number table to select the apartments to include in the sample. random systematic convenience stratied cluster b. Divide the apartment units according to number of bedrooms; then sample from each of the groups. random systematic convenience stratied cluster G. Select ve ZIP Codes at random; then include every apartment unit in the selected ZIP Codes. random systematic convenience stratied cluster (1. Look in the newspaper and consider the rst 10 apartment units that list rent per month. random systematic convenience stratied cluster e. Randomly select an apartment unit from the rst ten listed in an apartment rental directory; then select every tenth apartment unit in sequence. Record the rent of each unit selected. random systematic convenience stratied cluster Problem 14 Weighted Average [5 points] calculator Lifestyles Weight-Loss Clinic gave the following information about the weight distribution of its clients. Use your calculator to develop the weighted average of a client's weight. Weight (lb) 130-149 150-169 170-189 190-2 09 Clients 11% 49% 32% 8% Weighted Average: Problem 15 Palm Size and Life Expectancy [2 points] The size of your palm is negatively correlated with how long you will live (really!). It therefore follows that smaller the size of your palm, the longer your life expectancy. Why is this conclusion wrong and what other effect could cause this misinterpretation? Problem 16 Probability: Dependent Outcomes [2 points] Outcomes are dependent outcomes if their changes between repetitions of an experiment. ll-in