Write the following sets using the listing (roster) method or using set builder notation. Complete parts (a) and (b) below.
a. Write the set of letters in the word 'allowances' using the most concise method where A is the set of lowercase letters.
(Use a comma to separate answers as needed.)
A.
The set of letters is StartSet x vertial line x is an element of Upper A and x equals nothing EndSet
.
B.
The set of letters is StartSet nothing EndSet

Identify the statement below as either descriptive or inferential statistics. upper a certain website sold an average of 117 books per day last week. is the statement an example of descriptive or inferential statistics? a. it is an example of descriptive statistics because it uses a sample to make a claim about a population. b. it is an example of inferential statistics because it uses a sample to make a claim about a population. c. it is an example of inferential statistics because it summarizes the information in a sample. d. it is an example of descriptive statistics because it summarizes the information in a sample.