I need help with a Statistics question. All explanations and answers will be used to help me learn.
Please answer questions 1-6 on the attached paper below.
1. Calculate a mean and a standard deviation for each variable. 2. Set a 95 percent confidence interval around the mean for each variable. 3. Calculate the median, mode, and range for each variable. 4. Organize the data for current sales into a frequency distribution with three classes: (a) under $500,000, (b) $500,000 to $999,999, and (c) $1,000,000 and over. 5. Organize the data for years of selling experience into a frequency distribution with two classes: (a) less than five years and (b) five or more years. 6. Convert the frequency distributions from question 5 to percent- age distributions.