Answer 1,2,3A-d please

4:32 PM Sat Oct 17 all ~ 0 57% amdc.blackboard.com 1. Explain the difference between qualitative and quantitative variables. Give an example. 2. Explain the difference between a discrete and continues variable. Give an example. 3. Car dealerships shows two years of monthly sales of cars 2018 and 2019 a) In two columns enter the numbers of cars sold per month (12 values in each column), In the first row name the column - variable (sales 18 and sales 19 or come up with your own name: Sales in 2018: 155 176 180 190 178 185 200 205 220 221 227 250 Sales in 2019: 175 198 200 211 211 202 225 226 246 250 248 248 Consider this exercise a sample for the whole car brand Toyota for Florida, b) Compare average monthly sales of cars in Florida for 2018 and 2019. c) calculate 95% confidence interval for sales in two years. (use Data Banner, Data Analysis, select Descriptive Statistics, include label in the first row, select two columns for analysis, check of Summary Statistics box And Confidence level for mean box, as you do the analysis new worksheet will be created and name will be given as Sheet 2, 3,4...) d) Compare standard deviations of two years, which year has more consistent monthly sales (base your answer on comparing two standard deviations, which one is smaller). (position your pointer - cursor outside of the data area, go to Formulas, More Functions, Statistical, and choose STDEV.s, select the area you need to include in calculations and value will be put back where you