need help with this question on my isds homework

Fifty cities provided information on vacancy rates (in \%) in local apartments in the following frequency distribution. a-1. Construct the frequency distribution, the cumulative frequency distribution, and the cumulative relative freguency distributio (Round "Cumulative Relative Frequency" answers to 2 decimal places.) a-2. How many of the cities had a vacancy rate of more than 6% but no more than 9% ? a-3. How many of the cities had a vacancy rate of 9 is or less? a-3. How many of the cities had a vacancy rate of 9% or less? a-4. What proportion of the cities had a vacancy rate of more than 9% ? (Round your answer to 2 decimal places.) b. Which statement is correct regarding the shape of the distribution using a histogram? The distribution is relatively symmetric. The distribution is positlvely skewed. The distribution is negatively skewed. Symmetry or skowness cannot be determined with the ovoliable information