1. which best describes the relationship between the successive terms in the sequence shown?

9, –1, –11, –21, …

a)the common difference is –10.
b)the common difference is 10.
c)the common ratio is –9.
d)the common ratio is 9.

2. a sequence is defined recursively using the formula f(n + 1) = f(n) – 5 . which sequence could be generated using this formula?

a)1, –5, 25, –125,
b)2, 10, 50, 250,
c)3, –2, –7, –12,
d)4, 9, 14, 19,

Asample of 200 rom computer chips was selected on each of 30 consecutive days, and the number of nonconforming chips on each day was as follows: the data has been given so that it can be copied into r as a vector. non. conforming = c(10, 15, 21, 19, 34, 16, 5, 24, 8, 21, 32, 14, 14, 19, 18, 20, 12, 23, 10, 19, 20, 18, 13, 26, 33, 14, 12, 21, 12, 27) #construct a p chart by using the following code. you will need to enter your values for pbar, lcl and ucl. pbar = lcl = ucl = plot(non. conforming/200, ylim = c(0,.5)) abline(h = pbar, lty = 2) abline(h = lcl, lty = 3) abline(h = ucl, lty = 3)