In the STA 2023 Spring 2021 student survey, one of the quest…

In the STA 2023 Spring 2021 student survey, one of the questions asked about the number of siblings you have.  A histogram of the number of siblings of a random sample of students taken from those who responded to the survey is given below.    a. What is the total number of students in the sample? [1]   b. What is the shape of the histogram? [2]   c. You decide to take a random sample of students from UF to find out the mean number of siblings.  To get the sample, you take a list of all students at UF ordered alphabetically by last name.  You number the students 1 to 52,000 and then have a computer randomly select 100 numbers.  The students whose names correspond to those 100 numbers will be in the sample.  What type of sampling method is this? [3]