4. Short answer questions (25 points total = 20 points for the first 10 problems, 5 points for the last 2 problems) a. The median is suggested to be used as an effective measure of central tendency when the distribution is negatively or positively skewed. Is it true or false? b. When a process is in control, there will still be a natural pattern of variation. Is it true or false? c. A manufacturing plant has a newly established process with the sum of sample standard deviation of 100. For a production with 30 subgroups of size 6. what is an estimated population standard deviation? d. For the problem above, what is the process capability? e. is a quality tool that helps translate customer requirements to technical details as discussed in the class. f. The distribution that is applicable to problems that involve observation per unit of time is called g Do an online search and find out which distribution(s) is used to address reliability problems and also mention if it is a discrete or continuous distribution. Distribution, Distribution (First answer which type, second answer discrete or continuous) Make sure you cite your source if you are going to use online resources or the textbook