I am need a some assistance on explaining this

1. The manager of Jerry's Barbershop recently asked 15 customers to punch in a time card when first arrive at the shop and to punch out right after they paid for their haircut, and used the data on the cards to measure how long (in minutes ) it took Jerry and his barbers to cut hair. He also recorded the amount of money spent by each of the 15 customers as well as the customers stage of life (Child, Teen, or Adult). a. Identify the population in the above scenario. (2 pts.) b. Identify the variables and their units (if any). (6 pts.) Variable 1: Unit: Variable 2: Unit: Variable 3: Unit: C. What is the sample size? Is it a large or a small sample? Why? (3 pts.) Sample size: Is the sample large or small? Explain: d. Is the study univariate, bivariate or multivariate? Explain. (2 pts.) Study: Explain:2. For e ach variable, decide if the variable is qualitative or quantitative, discrete or continuous and decide the level of measurement (Nominal, Ordinal, Interval or Ratio). (30 pts.) Number Variable Qualitative or Discrete, Nominal, Quantitative Continuous or Ordinal, Interval, Neither. or Ratio. Cars described as compact, midsize, and full-size. 2 Types of markers (washable, permanent, etc.) 3 Teachers being rated as superior, above average, average, below average, or poor 4 The number of people that prefer Pepsi over Coke U Weights of M&M candies 6 Total annual income for statistics students 7 The length of his jail sentence 8 IQ score of High School Students 9 The states of health for randomly selected patients are classified as "poor", "good", or "very good 10 The credit score of college students (300 to 850)3. The following data represents the number of days absent from school in one school year for a sample of 40 students in Ms. Jinn's fourth grade class. 1 - 7 7 CO N 0 N 10 10 12 12 12 13 14 14 14 14 15 15 16 18 20 20 22 23 24 26 26 34 a) What is the population in the above scenario? (2 pts.) b) What is the variable for this study? Include units if any. (3 pts.) c) What is the sample size used in the study? (1 pt.) (2 pts.) d) Is the sample large or small? Explain. (22 pts.) e) Construct a frequency distribution using 5 classes. (Fill in the table below). Class limits Frequency4. The table below lists the ages of 40 college professors at a small college. Age f Class Boundaries of 35-40 2 41 -46 8 47-52 14 53 -58 6 59 -64 4 65-70 3 71 - 76 2 77 -82 Construct a relative frequency distribution. (Fill in the table). (4 pts.) Find the Class boundaries. (Fill in the table). (4 pts.) Construct a frequency histogram. Label all axes. (3 pts.) d) Describe the shape of the distribution. (1 pt.)5. The blood types of 20 patients are listed below: A B B O AB A B AB B A DO A A Construct a categorical frequency distribution. (Fill in the table below). (8 pts.)