Question: I need with this homework. Please find attached. PART#1: Complete the following questions: 1. Explain why the formula for the sample variance and the population

I need with this homework. Please find attached.

PART#1: Complete the following questions: 1. Explain why the formula for the sample variance and the population variance are not the same. 2. The information for two workers on the same job over a long period of time is summarized in the table below. Which worker appears to be more consistent in the time they take to complete the job. Please explain. Mean time to complete job (minutes) Standard deviation (minutes) Worker A Worker B 30 6 25 4 3. What if someone told you that there is little variability in the scores for one of their variables. How would you describe the shape of the distribution of scores? 4. On an exam you obtain a score of X = 80. If the instructor for the course provided descriptive statistics (M, SD) for the distribution of exam scores, which result would you prefer: (a) M = 76, SD = 2 or (b) M = 76, SD = 8. Please explain your choice

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